/* OKPay 精致主页样式 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

:root {
  /* 主色调 - 优雅蓝色系 */
  --primary-color: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  
  /* 辅助色 */
  --secondary-color: #f59e0b;
  --accent-color: #10b981;
  --danger-color: #ef4444;
  
  /* 中性色 */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* 渐变色 */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  
  /* 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);
  
  /* 字体 */
  --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* 间距 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* 圆角 */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* 过渡 */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-family);
  font-size: 0.875rem;
  line-height: 1.5;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--white);
  text-decoration: none;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
}

/* 标题样式 */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title p {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* 卡片样式 */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-100);
}

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

/* 网格布局 */
.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* 响应式网格 */
@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 工具类 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.relative { position: relative; }
.absolute { position: absolute; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mb-6 { margin-bottom: var(--spacing-2xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }
.mt-6 { margin-top: var(--spacing-2xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }
.p-6 { padding: var(--spacing-2xl); }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-5 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.py-6 { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }

/* 动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s ease-out;
}

/* 延迟动画 */
.animate-delay-100 { animation-delay: 0.1s; }
.animate-delay-200 { animation-delay: 0.2s; }
.animate-delay-300 { animation-delay: 0.3s; }
.animate-delay-400 { animation-delay: 0.4s; }
.animate-delay-500 { animation-delay: 0.5s; }

/* 头部导航样式 */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-100);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
}

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

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.logo-image {
  height: 36px;
  width: auto;
  max-height: 36px;
  max-width: 180px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.logo:hover {
  text-decoration: none;
  color: var(--primary-dark);
}

@media (max-width: 768px) {
  .logo-image {
    height: 30px;
    max-height: 30px;
    max-width: 140px;
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.nav-link:hover {
  color: var(--primary-color);
  background-color: var(--gray-50);
  text-decoration: none;
}

.language-selector {
  position: relative;
}

.language-btn {
  background: none;
  border: 1px solid var(--gray-300);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--gray-700);
  transition: all var(--transition-normal);
}

.language-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.language-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
}

.language-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-option {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--gray-700);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.language-option:hover {
  background-color: var(--gray-50);
  color: var(--primary-color);
  text-decoration: none;
}

/* 移动端菜单 */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--gray-700);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }
}

/* 英雄区域样式 - 高端版本 */
.hero.premium-hero {
  background: linear-gradient(135deg, #0f0c29 0%, #24243e 50%, #302b63 100%);
  color: var(--white);
  padding: 140px 0 100px;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero.premium-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
  animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

/* 动态背景元素 */
.hero-bg-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  pointer-events: none;
}

.floating-card {
  position: absolute;
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  animation: floatCard 6s ease-in-out infinite;
}

.floating-card.card-1 {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-card.card-2 {
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.floating-card.card-3 {
  bottom: 30%;
  left: 20%;
  animation-delay: 4s;
}

.floating-orb {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  animation: floatOrb 8s ease-in-out infinite;
}

.floating-orb.orb-1 {
  width: 120px;
  height: 120px;
  top: 15%;
  right: 20%;
  animation-delay: 1s;
}

.floating-orb.orb-2 {
  width: 80px;
  height: 80px;
  bottom: 20%;
  right: 10%;
  animation-delay: 3s;
}

.floating-orb.orb-3 {
  width: 60px;
  height: 60px;
  top: 40%;
  left: 5%;
  animation-delay: 5s;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes floatOrb {
  0%, 100% { transform: translateY(0px) scale(1); opacity: 0.3; }
  50% { transform: translateY(-30px) scale(1.1); opacity: 0.6; }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

/* 信任标识 */
.trust-badges {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.trust-badge:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.trust-badge i {
  color: #4ade80;
  font-size: 1rem;
}

/* 高端标题样式 */
.hero-title {
  font-size: 4.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.title-line-1, .title-line-2 {
  display: block;
  color: rgba(255, 255, 255, 0.9);
}

.title-highlight {
  display: block;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  margin: 0.2rem 0;
}

.title-highlight::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  border-radius: 2px;
}

/* 副标题样式 */
.hero-subtitle {
  font-size: 1.375rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  line-height: 1.6;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.subtitle-highlight {
  color: #fbbf24;
  font-weight: 600;
}

/* 价值主张 */
.value-propositions {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.value-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0.9;
}

.value-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fbbf24;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.value-item:hover .value-icon {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 10px 30px rgba(251, 191, 36, 0.3);
}

.value-item span {
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* 英雄区域CTA按钮 */
.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) var(--spacing-2xl);
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 50%, #ff9ff3 100%);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 1.125rem;
  transition: all var(--transition-normal);
  box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
  position: relative;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.hero-cta-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.hero-cta-btn:hover::before {
  left: 100%;
}

.hero-cta-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 35px rgba(255, 107, 107, 0.4);
  color: var(--white);
  text-decoration: none;
}

.hero-cta-btn .btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  font-size: 1.5rem;
}

.hero-cta-btn .btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.hero-cta-btn .btn-text strong {
  font-size: 1.125rem;
  font-weight: 700;
}

.hero-cta-btn .btn-text small {
  font-size: 0.875rem;
  opacity: 0.9;
  font-weight: 400;
}

.hero-cta-btn .btn-arrow {
  font-size: 1.25rem;
  transition: transform var(--transition-normal);
}

.hero-cta-btn:hover .btn-arrow {
  transform: translateX(5px);
}

/* 高端CTA按钮 */
.premium-cta-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0;
  background: none;
  border: none;
  text-decoration: none;
  color: var(--white);
  cursor: pointer;
  transition: all 0.4s ease;
}

.btn-glow {
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  border-radius: 20px;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
}

.premium-cta-btn:hover .btn-glow {
  opacity: 1;
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.btn-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 2.5rem;
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  border: 2px solid rgba(251, 191, 36, 0.3);
  border-radius: 18px;
  backdrop-filter: blur(20px);
  transition: all 0.4s ease;
}

.premium-cta-btn:hover .btn-content {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: rgba(251, 191, 36, 0.6);
}

.btn-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #1e293b;
  transition: all 0.4s ease;
}

.premium-cta-btn:hover .btn-icon {
  transform: rotate(360deg) scale(1.1);
}

.btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.btn-text strong {
  font-size: 1.125rem;
  font-weight: 700;
  color: #ffffff;
}

.btn-text small {
  font-size: 0.875rem;
  color: #fbbf24;
  font-weight: 500;
}

.btn-arrow {
  font-size: 1.25rem;
  color: #fbbf24;
  transition: transform 0.4s ease;
}

.premium-cta-btn:hover .btn-arrow {
  transform: translateX(8px);
}

/* 高端次要按钮 */
.premium-secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.premium-secondary-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  color: var(--white);
  text-decoration: none;
}

.premium-secondary-btn i {
  font-size: 1.125rem;
  color: #fbbf24;
}

/* 英雄区域次要按钮 */
.hero-secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--radius-lg);
  font-weight: 500;
  font-size: 1rem;
  transition: all var(--transition-normal);
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.hero-secondary-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  color: var(--white);
  text-decoration: none;
}

/* 社会证明样式 */
.social-proof {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
  opacity: 0.9;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.proof-avatars {
  display: flex;
  align-items: center;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  margin-left: -8px;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  position: relative;
}

.avatar:first-child {
  margin-left: 0;
}

.avatar::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.avatar-more {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.125rem;
  color: #fbbf24;
  margin-left: -8px;
}

.proof-text {
  font-size: 0.875rem;
  line-height: 1.4;
}

.proof-text strong {
  color: #fbbf24;
  font-weight: 700;
}

.proof-rating {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.stars {
  display: flex;
  gap: 0.25rem;
}

.stars i {
  color: #fbbf24;
  font-size: 1rem;
}

.proof-rating span {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
}

/* 响应式设计 - 平板 */
@media (max-width: 768px) {
  .hero.premium-hero {
    padding: 120px 0 80px;
    min-height: auto;
  }

  .floating-card {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .floating-orb.orb-1 {
    width: 80px;
    height: 80px;
  }

  .floating-orb.orb-2 {
    width: 60px;
    height: 60px;
  }

  .floating-orb.orb-3 {
    width: 40px;
    height: 40px;
  }

  .trust-badges {
    gap: 1rem;
  }

  .trust-badge {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }

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

  .hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: 2rem;
  }

  .value-propositions {
    gap: 2rem;
    margin-bottom: 2rem;
  }

  .value-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

  .value-item span {
    font-size: 0.75rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
  }

  .premium-cta-btn .btn-content {
    padding: 1rem 2rem;
    gap: 0.75rem;
  }

  .btn-icon {
    width: 45px;
    height: 45px;
    font-size: 1.25rem;
  }

  .btn-text strong {
    font-size: 1rem;
  }

  .btn-text small {
    font-size: 0.75rem;
  }

  .premium-secondary-btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }

  .social-proof {
    gap: 2rem;
  }

  .proof-item {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .avatar, .avatar-more {
    width: 35px;
    height: 35px;
  }

  .avatar::before {
    width: 25px;
    height: 25px;
  }

  .proof-text {
    font-size: 0.75rem;
  }

  .stars i {
    font-size: 0.875rem;
  }

  .proof-rating span {
    font-size: 0.75rem;
  }
}



/* 功能特色区域 - 高端版本 */
.features {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="c" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.05"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23c)"/><circle cx="800" cy="300" r="150" fill="url(%23c)"/><circle cx="400" cy="700" r="120" fill="url(%23c)"/></svg>');
  opacity: 0.4;
  animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.features .section-title h2 {
  color: var(--white);
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.features .section-title p {
  color: rgba(255, 255, 255, 0.8);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-2xl);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-normal);
  height: 100%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(251, 191, 36, 0.5);
  background: rgba(255, 255, 255, 0.15);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
  box-shadow: 0 10px 30px rgba(251, 191, 36, 0.3);
  position: relative;
  z-index: 2;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--white);
  position: relative;
  z-index: 2;
}

.feature-card p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

/* 次要特色区域 - 变体样式 */
.premium-features-secondary {
  background: linear-gradient(135deg, #0f3460 0%, #16213e 50%, #1a1a2e 100%);
}

.premium-features-secondary::before {
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="secondary" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.06"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="300" cy="200" r="120" fill="url(%23secondary)"/><circle cx="700" cy="400" r="160" fill="url(%23secondary)"/><circle cx="500" cy="700" r="140" fill="url(%23secondary)"/></svg>');
  animation: backgroundFloat 25s ease-in-out infinite reverse;
}

.premium-features-secondary .feature-icon {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

/* 服务优势区域 - 高端版本 */
.advantages {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #0f0c29 0%, #24243e 50%, #302b63 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.advantages::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="d" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.03"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="150" cy="150" r="80" fill="url(%23d)"/><circle cx="850" cy="250" r="120" fill="url(%23d)"/><circle cx="300" cy="750" r="100" fill="url(%23d)"/><circle cx="750" cy="650" r="90" fill="url(%23d)"/></svg>');
  opacity: 0.6;
  animation: backgroundPulse 15s ease-in-out infinite;
}

@keyframes backgroundPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

.advantage-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  position: relative;
  z-index: 2;
}

.advantage-item:nth-child(even) {
  flex-direction: row-reverse;
}

.advantage-content {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.advantage-content:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.advantage-image {
  flex: 1;
  text-align: center;
  position: relative;
}

.advantage-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
}

.advantage-image > div {
  transition: all var(--transition-normal);
  position: relative;
}

.advantage-image > div:hover {
  transform: scale(1.05) rotate(2deg);
}

.advantage-content h3 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--white);
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.advantage-content p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.advantage-list {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.advantage-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.9);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.advantage-list li:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(10px);
}

.advantage-list li::before {
  content: '';
}

@media (max-width: 768px) {
  .advantage-item,
  .advantage-item:nth-child(even) {
    flex-direction: column;
    text-align: center;
  }

  .advantage-content {
    padding: var(--spacing-lg);
  }
}

/* 次要优势区域 - 变体样式 */
.premium-advantages-secondary {
  background: linear-gradient(135deg, #302b63 0%, #24243e 50%, #0f0c29 100%);
}

.premium-advantages-secondary::before {
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="adv-secondary" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.04"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="100" cy="300" r="100" fill="url(%23adv-secondary)"/><circle cx="900" cy="150" r="130" fill="url(%23adv-secondary)"/><circle cx="400" cy="650" r="110" fill="url(%23adv-secondary)"/><circle cx="600" cy="500" r="90" fill="url(%23adv-secondary)"/></svg>');
  animation: backgroundPulse 20s ease-in-out infinite reverse;
}

/* 申请步骤区域 - 独立样式 */
section.steps-section,
#steps.steps-section {
  padding: var(--spacing-3xl) 0 !important;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  background-color: #667eea !important;
  color: var(--white) !important;
  position: relative !important;
  overflow: hidden !important;
  margin: 0 !important;
}

section.steps-section::before,
#steps.steps-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="steps" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.08"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="120" fill="url(%23steps)"/><circle cx="800" cy="400" r="160" fill="url(%23steps)"/><circle cx="500" cy="700" r="140" fill="url(%23steps)"/></svg>');
  opacity: 0.5;
  animation: stepsFloat 22s ease-in-out infinite;
}

@keyframes stepsFloat {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(3deg); }
}

section.steps-section .advantage-item,
#steps.steps-section .advantage-item {
  position: relative !important;
  z-index: 2 !important;
}

section.steps-section .advantage-content,
#steps.steps-section .advantage-content {
  background: rgba(255, 255, 255, 0.1) !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

section.steps-section .advantage-content h3,
#steps.steps-section .advantage-content h3 {
  color: var(--white) !important;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

section.steps-section .advantage-content p,
#steps.steps-section .advantage-content p {
  color: rgba(255, 255, 255, 0.9) !important;
}

section.steps-section .advantage-list li,
#steps.steps-section .advantage-list li {
  color: rgba(255, 255, 255, 0.9) !important;
}

section.steps-section .advantage-list li:hover,
#steps.steps-section .advantage-list li:hover {
  background: rgba(255, 255, 255, 0.1) !important;
  color: var(--white) !important;
}

/* 统计数据区域 - 增强版本 */
.stats {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--white);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="b" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.15"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="100" cy="100" r="50" fill="url(%23b)"/><circle cx="900" cy="200" r="80" fill="url(%23b)"/><circle cx="300" cy="800" r="60" fill="url(%23b)"/><circle cx="700" cy="600" r="70" fill="url(%23b)"/></svg>');
  opacity: 0.4;
  animation: statsFloat 25s ease-in-out infinite;
}

@keyframes statsFloat {
  0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.4; }
  33% { transform: translateY(-15px) rotate(2deg); opacity: 0.6; }
  66% { transform: translateY(10px) rotate(-1deg); opacity: 0.5; }
}

.stats::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.05) 50%, transparent 70%);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.stats-content {
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

.stat-item:hover::before {
  left: 100%;
}

.stat-item:hover {
  transform: translateY(-10px) scale(1.05);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  display: block;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 2;
}

.stat-label {
  font-size: 1.125rem;
  opacity: 0.9;
  position: relative;
  z-index: 2;
}

/* 常见问题区域 - 高端版本 */
.faq {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.faq::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="e" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.04"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="250" cy="150" r="90" fill="url(%23e)"/><circle cx="750" cy="300" r="130" fill="url(%23e)"/><circle cx="400" cy="650" r="110" fill="url(%23e)"/><circle cx="800" cy="750" r="80" fill="url(%23e)"/></svg>');
  opacity: 0.5;
  animation: faqFloat 18s ease-in-out infinite;
}

@keyframes faqFloat {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-25px) scale(1.02); }
}

.faq .section-title h2 {
  color: var(--white);
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.faq .section-title p {
  color: rgba(255, 255, 255, 0.8);
}

.faq-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  position: relative;
}

.faq-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
  transition: left 0.5s;
}

.faq-item:hover::before {
  left: 100%;
}

.faq-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(251, 191, 36, 0.3);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--spacing-lg);
  text-align: left;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-normal);
  position: relative;
  z-index: 2;
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: #fbbf24;
  transition: transform var(--transition-normal);
  background: rgba(251, 191, 36, 0.2);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-question.active::after {
  transform: rotate(45deg);
  background: rgba(251, 191, 36, 0.3);
}

.faq-answer {
  padding: 0 var(--spacing-lg);
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
  z-index: 2;
}

.faq-answer.show {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  max-height: 200px;
}

.faq-answer p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

/* 页脚样式 - 高端版本 */
.footer {
  background: linear-gradient(135deg, #0f0c29 0%, #24243e 50%, #302b63 100%);
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="f" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.03"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="100" cy="100" r="60" fill="url(%23f)"/><circle cx="900" cy="200" r="90" fill="url(%23f)"/><circle cx="300" cy="800" r="70" fill="url(%23f)"/><circle cx="700" cy="600" r="80" fill="url(%23f)"/><circle cx="500" cy="400" r="50" fill="url(%23f)"/></svg>');
  opacity: 0.6;
  animation: footerFloat 30s ease-in-out infinite;
}

@keyframes footerFloat {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  25% { transform: translateY(-10px) rotate(1deg); }
  50% { transform: translateY(5px) rotate(-0.5deg); }
  75% { transform: translateY(-5px) rotate(0.5deg); }
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  position: relative;
  z-index: 2;
}

.footer-section {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.footer-section:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.footer-section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--white);
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  line-height: 1.6;
  transition: all var(--transition-normal);
}

.footer-section a:hover {
  color: var(--white);
  text-decoration: none;
  transform: translateX(5px);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
}

.footer-links li:hover {
  background: rgba(255, 255, 255, 0.05);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  position: relative;
  z-index: 2;
}

/* 社交媒体图标 - 增强版本 */
.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  justify-content: flex-start;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-radius: 50%;
  text-decoration: none;
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.social-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.social-link:hover::before {
  left: 100%;
}

.social-link:hover {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  transform: translateY(-3px) scale(1.1);
  color: var(--white);
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(251, 191, 36, 0.3);
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 表单样式 */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: all var(--transition-normal);
  font-family: var(--font-family);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  background-color: var(--white);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-family);
}

.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}



/* 通知样式 */
.notification {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.notification-success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.notification-error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

.notification-warning {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

.notification-info {
  background-color: #dbeafe;
  color: #1e40af;
  border: 1px solid #93c5fd;
}

/* 手机端全面优化 */
@media (max-width: 640px) {
  /* 基础容器优化 */
  .container {
    padding: 0 1rem;
    max-width: 100%;
  }

  /* 头部导航优化 */
  .header-content {
    padding: 0.75rem 0;
  }

  .logo {
    font-size: 1.25rem;
  }

  /* 英雄区域优化 */
  .hero.premium-hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .floating-card {
    display: none;
  }

  .floating-orb {
    display: none;
  }

  .trust-badges {
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }

  .trust-badge {
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
  }

  .hero-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
  }

  .title-highlight::after {
    width: 60px;
    height: 3px;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
  }

  .value-propositions {
    gap: 1.5rem;
    margin-bottom: 1.5rem;
  }

  .value-icon {
    width: 45px;
    height: 45px;
    font-size: 1.125rem;
  }

  .value-item span {
    font-size: 0.7rem;
  }

  .premium-cta-btn .btn-content {
    padding: 0.875rem 1.5rem;
    gap: 0.5rem;
  }

  .btn-icon {
    width: 40px;
    height: 40px;
    font-size: 1.125rem;
  }

  .btn-text strong {
    font-size: 0.9rem;
  }

  .btn-text small {
    font-size: 0.7rem;
  }

  .premium-secondary-btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
  }

  .social-proof {
    flex-direction: column;
    gap: 1rem;
  }

  .proof-item {
    justify-content: center;
  }

  .avatar, .avatar-more {
    width: 30px;
    height: 30px;
    font-size: 0.875rem;
  }

  .avatar::before {
    width: 20px;
    height: 20px;
  }

  .proof-text {
    font-size: 0.7rem;
  }

  .stars i {
    font-size: 0.75rem;
  }

  .proof-rating span {
    font-size: 0.7rem;
  }



  /* 功能特色区域优化 */
  .features {
    padding: 2rem 0;
  }

  .section-title {
    margin-bottom: 2rem;
  }

  .section-title h2 {
    font-size: 1.5rem;
    line-height: 1.4;
    margin-bottom: 0.75rem;
  }

  .section-title p {
    font-size: 0.9rem;
    line-height: 1.5;
  }

  .feature-card {
    padding: 1.5rem;
    margin-bottom: 1rem;
  }

  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
  }

  .feature-card p {
    font-size: 0.875rem;
    line-height: 1.5;
  }

  /* 平台优势区域优化 */
  .advantages {
    padding: 2rem 0;
  }

  .advantage-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    text-align: center;
  }

  .advantage-content p {
    font-size: 0.875rem;
    line-height: 1.5;
    text-align: center;
    margin-bottom: 1rem;
  }

  .advantage-list {
    margin-bottom: 1.5rem;
  }

  .advantage-list li {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
  }

  /* 统计数据区域优化 */
  .stats {
    padding: 2rem 0;
  }

  .stat-item {
    padding: 1rem 0.5rem;
  }

  .stat-number {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
  }

  .stat-label {
    font-size: 0.875rem;
  }

  /* FAQ区域优化 */
  .faq {
    padding: 2rem 0;
  }

  .faq-question {
    padding: 1rem;
    font-size: 1rem;
  }

  .faq-answer {
    padding: 0 1rem 1rem;
  }

  .faq-answer p {
    font-size: 0.875rem;
    line-height: 1.5;
  }

  /* 页脚优化 */
  .footer {
    padding: 2rem 0 1rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
  }

  .footer-section h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
  }

  .footer-section p,
  .footer-section a {
    font-size: 0.875rem;
    line-height: 1.5;
  }

  .social-links {
    justify-content: center;
    margin-top: 1rem;
  }

  .footer-bottom {
    padding-top: 1rem;
    font-size: 0.8rem;
  }

  /* 按钮优化 */
  .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }

  .btn-lg {
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }

  /* 间距优化 */
  .py-6 {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .py-5 {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
  }

  .py-4 {
    padding-top: 1rem;
    padding-bottom: 1rem;
  }

  /* 移动端菜单样式 */
  .mobile-menu a:hover {
    background-color: #f3f4f6 !important;
  }

  /* 触摸优化 */
  .btn, .search-btn, .hero-cta-btn, .hero-secondary-btn {
    min-height: 44px;
    touch-action: manipulation;
  }

  /* 文字选择优化 */
  .hero h1, .section-title h2 {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }

  /* 滚动优化 */
  body {
    -webkit-overflow-scrolling: touch;
  }

  /* 输入框优化 */
  .search-select, .form-input, .form-select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    font-size: 16px; /* 防止iOS缩放 */
  }
}

/* 超小屏幕优化 (iPhone SE等) */
@media (max-width: 375px) {
  .container {
    padding: 0 0.75rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .value-propositions {
    gap: 1rem;
  }

  .value-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .premium-cta-btn .btn-content {
    padding: 0.75rem 1.25rem;
  }

  .btn-icon {
    width: 35px;
    height: 35px;
    font-size: 1rem;
  }

  .btn-text strong {
    font-size: 0.85rem;
  }

  .btn-text small {
    font-size: 0.65rem;
  }

  .section-title h2 {
    font-size: 1.25rem;
  }



  .feature-card {
    padding: 1rem;
  }

  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

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

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}