/* ============================================
   汇付天下蓝牙POS官网 - 共享样式
   深靛蓝灵活风 - 一机多商户+终身售后=灵活永恒
   ============================================ */

/* ============================================
   1. 基础样式 Reset + 字体
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;800;900&family=DM+Sans:wght@400;500;600;700&display=swap');

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

:root {
  /* 深靛蓝配色 - 灵活/多能/创新 */
  --indigo-deep: #4338CA;
  --indigo-light: #818CF8;
  --indigo-dark: #312E81;
  
  /* 售后绿 - 终身售后/品质保障/永恒 */
  --green-service: #10B981;
  --green-service-dark: #059669;
  
  /* 品质金 - 品质承诺/永恒 */
  --gold-quality: #EAB308;
  --gold-quality-dark: #D97706;
  
  /* 背景色 */
  --bg-white: #FFFFFF;
  --bg-page: #EEF2FF;
  --bg-light: #E0E7FF;
  
  /* 文字色 */
  --text-dark: #312E81;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  
  /* 其他 */
  --border: #E5E7EB;
  --card-shadow: 0 2px 8px rgba(67,56,202,0.08);
  --shadow-md: 0 8px 24px rgba(67,56,202,0.12);
  --shadow-lg: 0 16px 48px rgba(67,56,202,0.16);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

/* ============================================
   2. 导航栏
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(67, 56, 202, 0.12);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-light));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 18px;
}

.navbar-logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--indigo-deep);
  font-family: 'DM Sans', sans-serif;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  padding: 8px 0;
  position: relative;
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--indigo-deep);
  transition: var(--transition);
}

.navbar-link:hover::after,
.navbar-link.active::after {
  width: 100%;
}

.navbar-link:hover {
  color: var(--indigo-deep);
}

.navbar-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-light));
  color: white;
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.navbar-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(67, 56, 202, 0.3);
}

/* 汉堡菜单按钮 */
.navbar-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.navbar-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--indigo-deep);
  transition: var(--transition);
}

/* 移动端导航 */
.navbar-mobile {
  display: none;
  position: absolute;
  top: 70px;
  left: 0;
  right: 0;
  background: white;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  padding: 16px 24px;
}

.navbar-mobile.active {
  display: block;
}

.navbar-mobile-link {
  display: block;
  padding: 12px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  border-bottom: 1px solid var(--border);
}

.navbar-mobile-link:hover {
  color: var(--indigo-deep);
}

.navbar-mobile-cta {
  display: block;
  margin-top: 16px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-light));
  color: white;
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius);
  text-align: center;
}

/* ============================================
   3. 页脚
   ============================================ */
.footer {
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-dark));
  color: white;
  padding: 60px 24px 0;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
}

.footer-logo-text {
  font-size: 22px;
  font-weight: 700;
  font-family: 'DM Sans', sans-serif;
}

.footer-slogan {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-links-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.footer-link-item {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-link-item:hover {
  color: var(--green-service);
}

.footer-bottom {
  margin-top: 48px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--indigo-dark);
}

.footer-bottom-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.footer-copyright {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
}

.footer-copyright a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-copyright a:hover {
  color: var(--green-service);
}

/* ============================================
   4. 公共组件
   ============================================ */

/* 深靛蓝卡片 */
.card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--indigo-deep), var(--indigo-light));
}

.card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--green-service);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-light));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(67, 56, 202, 0.35);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-quality), var(--gold-quality-dark));
  color: var(--indigo-dark);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(234, 179, 8, 0.4);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

.btn-green {
  background: linear-gradient(135deg, var(--green-service), var(--green-service-dark));
  color: white;
}

.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
}

/* 标签样式 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 20px;
}

.tag-indigo {
  background: rgba(67, 56, 202, 0.1);
  color: var(--indigo-deep);
}

.tag-green {
  background: rgba(16, 185, 129, 0.1);
  color: var(--green-service);
}

.tag-gold {
  background: rgba(234, 179, 8, 0.1);
  color: var(--gold-quality-dark);
}

/* 标题样式 */
.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
  line-height: 1.8;
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   5. 首页专属
   ============================================ */

/* Hero区 */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-light));
  padding: 140px 24px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 20px;
  color: white;
  font-size: 14px;
  font-weight: 500;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  color: white;
  text-align: center;
  line-height: 1.2;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  max-width: 800px;
  line-height: 1.8;
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

/* 多商户动画 + 售后动画区 */
.hero-animation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

.hero-animation-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero-animation-circle {
  width: 120px;
  height: 120px;
  position: relative;
}

.hero-animation-circle .store {
  position: absolute;
  width: 50px;
  height: 50px;
  background: rgba(67, 56, 202, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.hero-animation-circle .store:nth-child(1) {
  animation: orbit 6s linear infinite;
}

.hero-animation-circle .store:nth-child(2) {
  animation: orbit 6s linear infinite 2s;
}

.hero-animation-circle .store:nth-child(3) {
  animation: orbit 6s linear infinite 4s;
}

@keyframes orbit {
  0% {
    top: 35px;
    left: 35px;
  }
  25% {
    top: 35px;
    left: 95px;
  }
  50% {
    top: 85px;
    left: 95px;
  }
  75% {
    top: 85px;
    left: 35px;
  }
  100% {
    top: 35px;
    left: 35px;
  }
}

.hero-animation-center {
  text-align: center;
}

.hero-animation-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--gold-quality), var(--gold-quality-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(234, 179, 8, 0.4);
  }
  50% {
    box-shadow: 0 0 40px rgba(234, 179, 8, 0.8);
  }
}

.hero-animation-text {
  font-size: 18px;
  font-weight: 700;
  color: white;
  text-align: center;
  margin-top: 8px;
}

.hero-animation-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
}

.hero-animation-connect {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
}

.hero-animation-formula {
  font-size: 16px;
  font-weight: 600;
  color: var(--green-service);
  background: rgba(16, 185, 129, 0.15);
  padding: 12px 20px;
  border-radius: var(--radius);
  white-space: nowrap;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.hero-bottom-text {
  margin-top: 40px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  position: relative;
  z-index: 1;
}

/* 灵活永恒说明区 */
.section {
  padding: 100px 24px;
}

.section-alt {
  background: var(--bg-page);
}

.flexibility-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.flexibility-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.flexibility-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--green-service);
}

.flexibility-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.flexibility-card-icon {
  width: 56px;
  height: 56px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.flexibility-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.flexibility-card-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

.flexibility-emphasis {
  margin-top: 48px;
  padding: 24px;
  background: linear-gradient(135deg, rgba(67, 56, 202, 0.05), rgba(16, 185, 129, 0.05));
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--green-service);
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.8;
}

/* 一机多商户说明区 */
.merchant-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.merchant-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.merchant-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--indigo-deep);
}

.merchant-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.merchant-card-icon {
  width: 56px;
  height: 56px;
  background: rgba(67, 56, 202, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.merchant-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.merchant-card-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

.merchant-emphasis {
  margin-top: 48px;
  padding: 24px;
  background: linear-gradient(135deg, rgba(67, 56, 202, 0.05), rgba(129, 140, 248, 0.05));
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--indigo-deep);
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.8;
}

/* 蓝牙POS展示区 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.product-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--indigo-deep);
}

.product-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--green-service);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.product-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-light));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  margin-bottom: 20px;
}

.product-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.product-model {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-family: 'DM Sans', sans-serif;
}

.product-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.product-features {
  margin-bottom: 20px;
}

.product-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-body);
}

.product-feature::before {
  content: '✓';
  color: var(--green-service);
  font-weight: 700;
}

.product-footer {
  display: flex;
  justify-content: center;
}

.product-bottom {
  margin-top: 48px;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.product-bottom-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dark);
}

/* 为什么选灵活永恒 */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.reason-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.reason-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.reason-number {
  font-size: 36px;
  font-weight: 800;
  font-family: 'DM Sans', sans-serif;
  color: var(--indigo-deep);
  margin-bottom: 12px;
}

.reason-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.reason-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.5;
}

/* 四品牌灵活永恒对比 */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.compare-card {
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.compare-card-huifu {
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-light));
  color: white;
}

.compare-card-lakala {
  background: #0369A1;
  color: white;
}

.compare-card-leshua {
  background: #C2622D;
  color: white;
}

.compare-card-jialian {
  background: #B87333;
  color: white;
}

.compare-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
}

.compare-card-item {
  padding: 10px 0;
  font-size: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.compare-card-item:last-child {
  border-bottom: none;
}

.compare-card-highlight {
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 8px;
  margin-top: 12px;
  font-weight: 600;
}

.compare-conclusion {
  margin-top: 48px;
  padding: 24px;
  background: linear-gradient(135deg, rgba(67, 56, 202, 0.05), rgba(16, 185, 129, 0.05));
  border-radius: var(--radius-lg);
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.8;
}

/* 底部CTA申请区 */
.cta-section {
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-light));
  padding: 80px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-title {
  font-size: 32px;
  font-weight: 800;
  color: white;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.cta-badges {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.cta-badge {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
}

.cta-form {
  max-width: 500px;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
}

.cta-form-inner {
  background: var(--indigo-dark);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.cta-input {
  width: 100%;
  padding: 14px 18px;
  font-size: 15px;
  border: none;
  border-radius: var(--radius);
  margin-bottom: 12px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  transition: var(--transition);
}

.cta-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.cta-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.15);
}

.cta-form-btn {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--green-service), var(--green-service-dark));
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.cta-form-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
}

.cta-tips {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  position: relative;
  z-index: 1;
}

/* ============================================
   6. 一机多商户页专属
   ============================================ */

.page-hero {
  padding: 160px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero-indigo {
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-light));
}

.page-hero-green {
  background: linear-gradient(135deg, var(--green-service), var(--green-service-dark));
}

.page-hero-title {
  font-size: 56px;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.page-hero-subtitle {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  z-index: 1;
}

/* 科普区 */
.science-section {
  padding: 80px 24px;
}

.science-box {
  background: white;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--card-shadow);
}

.science-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.science-intro {
  font-size: 18px;
  color: var(--indigo-deep);
  font-weight: 600;
  margin-bottom: 24px;
  padding: 16px;
  background: rgba(67, 56, 202, 0.05);
  border-radius: var(--radius);
  border-left: 4px solid var(--indigo-deep);
}

.science-list {
  margin-bottom: 24px;
}

.science-list-item {
  padding: 12px 0;
  font-size: 16px;
  color: var(--text-body);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.science-list-item::before {
  content: '•';
  color: var(--indigo-deep);
  font-weight: 700;
}

.science-conclusion {
  padding: 20px;
  background: linear-gradient(135deg, rgba(67, 56, 202, 0.05), rgba(16, 185, 129, 0.05));
  border-radius: var(--radius);
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.8;
}

/* 优势卡片 */
.advantage-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--indigo-deep);
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.advantage-icon {
  width: 56px;
  height: 56px;
  background: rgba(67, 56, 202, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.advantage-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.advantage-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 对比表格 */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.compare-table th {
  background: var(--bg-page);
  font-weight: 600;
  color: var(--text-dark);
}

.compare-table td {
  font-size: 15px;
  color: var(--text-body);
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table .highlight {
  background: rgba(67, 56, 202, 0.05);
  font-weight: 600;
  color: var(--indigo-deep);
}

.compare-table .huifu-col {
  background: rgba(67, 56, 202, 0.08);
}

.compare-table .good {
  color: var(--green-service);
  font-weight: 600;
}

.compare-table .warn {
  color: var(--text-muted);
}

.compare-table .bad {
  color: #EF4444;
}

/* FAQ手风琴 */
.faq-section {
  padding: 80px 24px;
}

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

.faq-item {
  background: white;
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.faq-question {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--indigo-deep);
}

.faq-icon {
  font-size: 20px;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 24px 20px;
  max-height: 500px;
}

.faq-answer-content {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ============================================
   7. 终身售后页专属
   ============================================ */

.service-advantage-cards .advantage-card::before {
  background: var(--green-service);
}

.service-advantage-cards .advantage-icon {
  background: rgba(16, 185, 129, 0.1);
}

.service-compare-table th {
  background: var(--bg-page);
}

.service-compare-table .highlight {
  background: rgba(16, 185, 129, 0.08);
  color: var(--green-service);
}

/* ============================================
   8. 对比页专属
   ============================================ */

.dimension-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  margin-bottom: 48px;
}

.dimension-table th,
.dimension-table td {
  padding: 18px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.dimension-table th {
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-light));
  color: white;
  font-weight: 600;
}

.dimension-table th:first-child {
  background: var(--text-dark);
}

.dimension-table td {
  font-size: 15px;
  color: var(--text-body);
}

.dimension-table td:first-child {
  background: var(--bg-page);
  font-weight: 600;
  color: var(--text-dark);
  text-align: left;
}

.dimension-table tr:last-child td {
  border-bottom: none;
}

.dimension-table .huifu-cell {
  background: rgba(67, 56, 202, 0.08);
  font-weight: 600;
  color: var(--indigo-deep);
}

.angle-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.angle-card {
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
}

.angle-card-huifu {
  background: linear-gradient(135deg, var(--indigo-deep), var(--indigo-light));
  color: white;
}

.angle-card-lakala {
  background: #0369A1;
  color: white;
}

.angle-card-leshua {
  background: #C2622D;
  color: white;
}

.angle-card-jialian {
  background: #B87333;
  color: white;
}

.angle-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

.angle-card-item {
  padding: 10px 0;
  font-size: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.angle-card-item:last-child {
  border-bottom: none;
}

.angle-card-highlight {
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: 10px;
  margin-top: 16px;
  font-weight: 600;
}

/* ============================================
   9. 滚动动画
   ============================================ */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   10. 响应式
   ============================================ */

@media (max-width: 1024px) {
  .hero-title {
    font-size: 40px;
  }
  
  .section-title {
    font-size: 30px;
  }
  
  .flexibility-cards,
  .merchant-cards,
  .advantage-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .reasons-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .compare-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .angle-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar-links {
    display: none;
  }
  
  .navbar-hamburger {
    display: flex;
  }
  
  .hero {
    padding: 120px 20px 60px;
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .hero-subtitle {
    font-size: 16px;
  }
  
  .hero-animation {
    flex-direction: column;
    gap: 24px;
  }
  
  .hero-animation-connect {
    padding: 20px 0;
  }
  
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-ctas .btn {
    width: 100%;
  }
  
  .section {
    padding: 60px 20px;
  }
  
  .section-title {
    font-size: 26px;
  }
  
  .section-subtitle {
    font-size: 16px;
    margin-bottom: 32px;
  }
  
  .flexibility-cards,
  .merchant-cards,
  .advantage-cards {
    grid-template-columns: 1fr;
  }
  
  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .compare-grid {
    grid-template-columns: 1fr;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .angle-cards {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .page-hero-title {
    font-size: 36px;
  }
  
  .page-hero-subtitle {
    font-size: 16px;
  }
  
  .cta-title {
    font-size: 24px;
  }
  
  .cta-badges {
    flex-direction: column;
    gap: 12px;
  }
  
  .cta-tips {
    flex-direction: column;
    gap: 12px;
  }
  
  .compare-table {
    font-size: 14px;
  }
  
  .compare-table th,
  .compare-table td {
    padding: 12px;
  }
  
  .dimension-table th,
  .dimension-table td {
    padding: 12px 8px;
    font-size: 13px;
  }
}

/* ============================================
   11. 多商户动画样式 (首创!)
   ============================================ */

.merchant-animation {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 20px;
}

.merchant-animation .store-orbit {
  position: absolute;
  width: 140px;
  height: 140px;
  border: 2px dashed rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: rotate 10s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.merchant-animation .store-icon {
  position: absolute;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.merchant-animation .store-icon:nth-child(2) {
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
}

.merchant-animation .store-icon:nth-child(3) {
  bottom: 10px;
  right: -5px;
}

.merchant-animation .store-icon:nth-child(4) {
  bottom: 10px;
  left: -5px;
}

.merchant-animation .center-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--indigo-deep);
  white-space: nowrap;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* ============================================
   12. 售后动画样式 (首创!)
   ============================================ */

.service-animation {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 20px;
}

.service-animation .wrench-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--green-service), var(--green-service-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  margin: 0 auto;
  animation: pulse-glow-green 2s ease-in-out infinite;
}

@keyframes pulse-glow-green {
  0%, 100% {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
  }
  50% {
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.8), 0 0 60px rgba(16, 185, 129, 0.4);
  }
}

.service-animation .ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  border: 3px solid var(--green-service);
  border-radius: 50%;
  opacity: 0;
  animation: ripple 2s ease-out infinite;
}

.service-animation .ring:nth-child(2) {
  animation-delay: 0.5s;
}

.service-animation .ring:nth-child(3) {
  animation-delay: 1s;
}

@keyframes ripple {
  0% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 0.8;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0;
  }
}

/* ============================================
   13. 深靛蓝Hero背景页特殊效果
   ============================================ */

.page-hero-indigo::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* ============================================
   14. 售后绿Hero背景页特殊效果
   ============================================ */

.page-hero-green::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}