/* ========================================
   银联商务手刷MPOS - 天际蓝自由风
   区别于同品牌前4款银联红系
   区别于其他47个品牌
======================================== */

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

:root {
  /* 天际蓝色系 */
  --sky: #0284C7;
  --sky-dark: #0369A1;
  --sky-deep: #075985;
  --sky-bg: #075985;
  --sky-light: #F0F9FF;
  --sky-lighter: #E0F2FE;
  
  /* 自选金色系 */
  --select-gold: #F59E0B;
  --select-gold-dark: #D97706;
  --select-gold-light: #FEF3C7;
  
  /* 包邮绿色系 */
  --ship-green: #10B981;
  --ship-green-dark: #059669;
  --ship-green-light: #D1FAE5;
  
  /* 银联红色系（同品牌前4款主色） */
  --ums-red: #C41230;
  --ums-red-blue: #0D9488;
  
  /* 中性色 */
  --bg-white: #FFFFFF;
  --bg-page: #F0F9FF;
  --bg-light: #E0F2FE;
  --text-dark: #075985;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border: #E5E7EB;
  
  /* 阴影与圆角 */
  --card-shadow: 0 2px 8px rgba(2,132,199,0.08);
  --shadow-md: 0 8px 24px rgba(2,132,199,0.12);
  --shadow-lg: 0 16px 48px rgba(2,132,199,0.16);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* 过渡 */
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-body);
  background: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

input, textarea, select {
  font-family: inherit;
  outline: none;
}

/* 数字/英文使用DM Sans */
.dm-sans {
  font-family: 'DM Sans', sans-serif;
}

/* ========================================
   2. 导航栏（白色，滚动天际蓝阴影）
======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255, 255, 255, 0.98);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(2, 132, 199, 0.12);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--sky);
  font-weight: 700;
  font-size: 1.25rem;
}

.navbar-logo svg {
  width: 36px;
  height: 36px;
}

.navbar-logo span {
  font-family: 'DM Sans', sans-serif;
  font-weight: 800;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-nav a {
  padding: 8px 16px;
  color: var(--text-body);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--sky);
  background: var(--sky-light);
}

.navbar-cta {
  margin-left: 16px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--sky) 0%, var(--sky-dark) 100%);
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.4);
}

.btn-gold {
  background: linear-gradient(135deg, var(--select-gold) 0%, var(--select-gold-dark) 100%);
  color: var(--text-dark);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-gold:hover {
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-green {
  background: linear-gradient(135deg, var(--ship-green) 0%, var(--ship-green-dark) 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-green:hover {
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

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

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

.navbar-mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: white;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  z-index: 999;
}

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

.navbar-mobile-menu a {
  display: block;
  padding: 14px 20px;
  color: var(--text-body);
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: var(--transition);
}

.navbar-mobile-menu a:hover,
.navbar-mobile-menu a.active {
  background: var(--sky-light);
  border-left-color: var(--sky);
  color: var(--sky);
}

/* ========================================
   3. 页脚（天际蓝渐变）
======================================== */
.footer {
  background: linear-gradient(135deg, var(--sky) 0%, var(--sky-deep) 100%);
  color: white;
}

.footer-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
  font-weight: 700;
  font-size: 1.5rem;
}

.footer-logo svg {
  width: 44px;
  height: 44px;
}

.footer-logo span {
  font-family: 'DM Sans', sans-serif;
}

.footer-slogan {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  line-height: 1.8;
}

.footer-links h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  background: var(--sky-deep);
  padding: 20px;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
  line-height: 2;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-bottom a:hover {
  color: white;
}

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

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

/* 区块 */
.section {
  padding: 80px 0;
}

.section-sm {
  padding: 60px 0;
}

/* 天际蓝卡片 */
.card-sky {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: var(--transition);
}

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

.card-sky::before {
  content: '';
  display: block;
  height: 4px;
  background: linear-gradient(135deg, var(--sky) 0%, var(--sky-dark) 100%);
}

.card-gold::before {
  background: linear-gradient(135deg, var(--select-gold) 0%, var(--select-gold-dark) 100%);
}

.card-green::before {
  background: linear-gradient(135deg, var(--ship-green) 0%, var(--ship-green-dark) 100%);
}

/* 卡片底部金色细线 */
.card-gold-line {
  position: relative;
}

.card-gold-line::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--select-gold), transparent);
}

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
}

.tag-gold {
  background: var(--select-gold-light);
  color: var(--select-gold-dark);
}

.tag-green {
  background: var(--ship-green-light);
  color: var(--ship-green-dark);
}

.tag-sky {
  background: var(--sky-lighter);
  color: var(--sky-dark);
}

/* 标题样式 */
.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
}

/* 胶囊徽章 */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50px;
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
}

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

/* Hero区域 */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--sky) 0%, var(--sky-dark) 100%);
  display: flex;
  align-items: center;
  padding-top: 70px;
  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");
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50px;
  color: var(--select-gold);
  font-weight: 600;
  margin-bottom: 24px;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: white;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

/* 商户清单展开+全国地图动画区 */
.hero-animation {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  margin: 50px 0;
  padding: 0 40px;
}

.hero-animation-center {
  font-size: 1.2rem;
  color: var(--select-gold);
  font-weight: 700;
  white-space: nowrap;
}

.hero-animation-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-animation-title {
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 商户清单展开动画 */
.merchant-list {
  text-align: left;
}

.merchant-list-item {
  padding: 10px 14px;
  background: rgba(245, 158, 11, 0.15);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  color: white;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(-10px);
  animation: listExpand 0.5s ease forwards;
}

.merchant-list-item:nth-child(1) { animation-delay: 0.2s; }
.merchant-list-item:nth-child(2) { animation-delay: 0.4s; }
.merchant-list-item:nth-child(3) { animation-delay: 0.6s; }
.merchant-list-item:nth-child(4) { animation-delay: 0.8s; }

@keyframes listExpand {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 全国地图点亮动画 */
.china-map {
  position: relative;
  width: 100%;
  height: 180px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  overflow: hidden;
}

.china-map::before {
  content: '🗺️';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 60px;
  opacity: 0.3;
}

.map-dots {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.map-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--ship-green);
  border-radius: 50%;
  opacity: 0;
  animation: mapPulse 1.5s ease-in-out infinite;
}

.map-dot:nth-child(1) { top: 40%; left: 50%; animation-delay: 0.2s; }
.map-dot:nth-child(2) { top: 30%; left: 40%; animation-delay: 0.4s; }
.map-dot:nth-child(3) { top: 35%; left: 60%; animation-delay: 0.6s; }
.map-dot:nth-child(4) { top: 50%; left: 35%; animation-delay: 0.8s; }
.map-dot:nth-child(5) { top: 45%; left: 65%; animation-delay: 1.0s; }
.map-dot:nth-child(6) { top: 60%; left: 45%; animation-delay: 1.2s; }
.map-dot:nth-child(7) { top: 55%; left: 55%; animation-delay: 1.4s; }
.map-dot:nth-child(8) { top: 25%; left: 55%; animation-delay: 1.6s; }

@keyframes mapPulse {
  0% {
    opacity: 0;
    transform: scale(0);
  }
  50% {
    opacity: 1;
    transform: scale(1.5);
    box-shadow: 0 0 10px var(--ship-green);
  }
  100% {
    opacity: 0.6;
    transform: scale(1);
    box-shadow: 0 0 5px var(--ship-green);
  }
}

.hero-animation-text {
  color: var(--ship-green);
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 12px;
  text-align: center;
}

.hero-popup {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 30px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--select-gold) 0%, var(--select-gold-dark) 100%);
  color: var(--text-dark);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
  transition: var(--transition);
}

.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: transparent;
  color: white;
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: var(--radius);
  border: 2px solid rgba(255, 255, 255, 0.5);
  transition: var(--transition);
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* 商户自选说明区 */
.merchant-select-section {
  background: var(--bg-page);
  padding: 80px 0;
}

.advantage-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

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

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--select-gold) 0%, var(--select-gold-dark) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

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

.advantage-icon {
  width: 56px;
  height: 56px;
  background: var(--select-gold-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 20px;
}

.advantage-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.advantage-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.highlight-box {
  background: linear-gradient(135deg, var(--sky-light) 0%, white 100%);
  border-left: 4px solid var(--sky);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px;
  margin-top: 48px;
  color: var(--text-body);
  line-height: 1.8;
}

/* 全国包邮说明区 */
.shipping-section {
  background: white;
  padding: 80px 0;
}

.advantage-card.green::before {
  background: linear-gradient(135deg, var(--ship-green) 0%, var(--ship-green-dark) 100%);
}

.advantage-card.green .advantage-icon {
  background: var(--ship-green-light);
}

/* 产品展示区 */
.products-section {
  background: var(--bg-page);
  padding: 80px 0;
}

.product-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}

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

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--sky) 0%, var(--sky-dark) 100%);
}

.product-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20px;
  right: 20px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--select-gold), transparent);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-header {
  padding: 40px 30px 20px;
  text-align: center;
  background: linear-gradient(135deg, var(--sky-light) 0%, white 100%);
}

.product-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.product-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.product-model {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.product-tags {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 16px 0;
}

.product-body {
  padding: 24px 30px;
}

.product-features {
  margin-bottom: 24px;
}

.product-features li {
  padding: 8px 0;
  color: var(--text-body);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-features li::before {
  content: '✓';
  color: var(--ship-green);
  font-weight: 700;
}

.product-action {
  text-align: center;
}

.product-action .btn-primary {
  width: 100%;
  justify-content: center;
}

.product-footer {
  background: var(--sky-light);
  padding: 20px 30px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* 为什么选银联商务 */
.reasons-section {
  background: white;
  padding: 80px 0;
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.reason-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.reason-card:hover {
  background: var(--sky-light);
  transform: translateY(-4px);
}

.reason-number {
  font-family: 'DM Sans', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--sky);
  margin-bottom: 8px;
}

.reason-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.reason-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.reason-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 四品牌对比 */
.compare-section {
  background: var(--bg-page);
  padding: 80px 0;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.compare-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  box-shadow: var(--card-shadow);
}

.compare-card.highlight {
  border: 2px solid var(--sky);
}

.compare-card.highlight::before {
  content: '推荐';
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--sky);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.compare-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border);
}

.compare-brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
}

.compare-brand-name {
  font-weight: 700;
  color: var(--text-dark);
}

.compare-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.compare-item {
  font-size: 0.9rem;
  color: var(--text-body);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.compare-item.positive {
  color: var(--ship-green);
}

.compare-item.negative {
  color: var(--text-muted);
}

.compare-conclusion {
  background: linear-gradient(135deg, var(--sky) 0%, var(--sky-dark) 100%);
  color: white;
  padding: 24px;
  border-radius: var(--radius-lg);
  margin-top: 48px;
  text-align: center;
  line-height: 1.8;
}

/* 底部CTA */
.cta-section {
  background: linear-gradient(135deg, var(--sky) 0%, var(--sky-dark) 100%);
  padding: 80px 0;
  text-align: center;
}

.cta-title {
  font-size: 2rem;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}

.cta-tags {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 40px;
}

.cta-tags span {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
}

.cta-form {
  max-width: 500px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.1);
  padding: 32px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.form-group {
  margin-bottom: 16px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  color: var(--text-dark);
}

.form-group input::placeholder {
  color: var(--text-light);
}

.cta-form .btn-gold {
  width: 100%;
  padding: 16px;
  font-size: 1.1rem;
  justify-content: center;
}

.cta-footer {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* ========================================
   6. 手刷MPOS页专属
======================================== */

/* 页面标题区 */
.page-hero {
  background: linear-gradient(135deg, var(--sky) 0%, var(--sky-dark) 100%);
  padding: 120px 0 80px;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
}

/* 功能展示 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

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

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--sky-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* 产品线对比 */
.product-line-section {
  background: var(--bg-page);
  padding: 80px 0;
}

.product-line-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.product-line-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--card-shadow);
  position: relative;
}

.product-line-card.current {
  border: 2px solid var(--sky);
}

.product-line-card.current::before {
  content: '当前';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--sky);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
}

.product-line-badge {
  display: inline-block;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin-bottom: 16px;
}

.product-line-name {
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.product-line-type {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.product-line-feature {
  font-size: 0.8rem;
  color: var(--sky);
  font-weight: 600;
}

/* 三方终端对比 */
.compare-3way-section {
  background: white;
  padding: 80px 0;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 48px;
  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: center;
  border-bottom: 1px solid var(--border);
}

.compare-table th {
  background: var(--sky-light);
  font-weight: 700;
  color: var(--text-dark);
}

.compare-table th.highlight {
  background: var(--sky);
  color: white;
}

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

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

.compare-table .stars {
  color: var(--select-gold);
}

/* 产品详情 */
.product-detail-section {
  background: var(--bg-page);
  padding: 80px 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 48px;
}

.product-detail-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.product-detail-header {
  background: linear-gradient(135deg, var(--sky-light) 0%, white 100%);
  padding: 40px;
  text-align: center;
  position: relative;
}

.product-detail-icon {
  font-size: 5rem;
  margin-bottom: 16px;
}

.product-detail-tags {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 8px;
}

.product-detail-body {
  padding: 32px;
}

.product-detail-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.product-detail-sub {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.product-detail-params {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.param-item {
  padding: 12px;
  background: var(--bg-page);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-body);
}

.param-item strong {
  color: var(--sky);
}

.product-detail-for {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--select-gold-light);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--select-gold);
}

/* 产品对比表 */
.product-compare-section {
  background: white;
  padding: 80px 0;
}

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

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

.full-compare-table th {
  background: var(--sky-light);
  font-weight: 700;
  color: var(--text-dark);
}

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

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

.full-compare-table .check {
  color: var(--ship-green);
  font-weight: 700;
}

/* ========================================
   7. 商户自选页专属
======================================== */

/* 金色Hero */
.hero-gold {
  background: linear-gradient(135deg, var(--select-gold) 0%, var(--select-gold-dark) 100%);
}

.hero-gold .hero-title,
.hero-gold .hero-subtitle {
  color: var(--sky-deep);
}

.hero-gold .hero-badge {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--sky-deep);
}

.hero-gold::before {
  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='%23000000' 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");
}

/* 什么是商户自选 */
.merchant-intro-section {
  background: white;
  padding: 80px 0;
}

.intro-content {
  max-width: 900px;
  margin: 0 auto;
}

.intro-block {
  margin-bottom: 32px;
  padding: 24px;
  background: var(--bg-page);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--select-gold);
}

.intro-block h4 {
  color: var(--select-gold-dark);
  font-weight: 700;
  margin-bottom: 12px;
}

.intro-block p {
  color: var(--text-body);
  line-height: 1.8;
}

.intro-conclusion {
  background: linear-gradient(135deg, var(--select-gold-light) 0%, white 100%);
  padding: 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-dark);
  line-height: 1.8;
}

/* 三方商户选择对比 */
.compare-3merchant-section {
  background: var(--bg-page);
  padding: 80px 0;
}

/* 四品牌自选对比 */
.compare-4brand-section {
  background: white;
  padding: 80px 0;
}

/* FAQ */
.faq-section {
  background: var(--bg-page);
  padding: 80px 0;
}

.faq-list {
  max-width: 800px;
  margin: 48px auto 0;
}

.faq-item {
  background: white;
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

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

.faq-question:hover {
  background: var(--sky-light);
}

.faq-question::before {
  content: 'Q';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--select-gold);
  color: white;
  border-radius: 50%;
  margin-right: 12px;
  font-size: 0.85rem;
  font-weight: 700;
}

.faq-icon {
  color: var(--sky);
  font-size: 1.25rem;
  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: 20px 24px;
  max-height: 500px;
  border-top: 1px solid var(--border);
}

.faq-answer p {
  color: var(--text-body);
  line-height: 1.8;
}

.faq-answer p::before {
  content: 'A';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--sky-light);
  color: var(--sky);
  border-radius: 50%;
  margin-right: 12px;
  font-size: 0.85rem;
  font-weight: 700;
}

/* ========================================
   8. 全国包邮页专属
======================================== */

/* 绿色Hero */
.hero-green {
  background: linear-gradient(135deg, var(--ship-green) 0%, var(--ship-green-dark) 100%);
}

.hero-green .hero-title,
.hero-green .hero-subtitle {
  color: white;
}

.hero-green .hero-badge {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  color: white;
}

.hero-green::before {
  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");
}

/* 三品牌包邮对比 */
.compare-3shipping-section {
  background: white;
  padding: 80px 0;
}

/* 三方配送对比 */
.compare-3delivery-section {
  background: var(--bg-page);
  padding: 80px 0;
}

/* ========================================
   9. 关于页专属
======================================== */

.about-intro-section {
  background: white;
  padding: 80px 0;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  font-size: 1.1rem;
  color: var(--text-body);
  line-height: 2;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.stat-card {
  background: var(--sky-light);
  padding: 32px;
  border-radius: var(--radius-lg);
  text-align: center;
}

.stat-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.stat-value {
  font-family: 'DM Sans', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--sky);
  margin-bottom: 8px;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.about-guarantee-section {
  background: var(--bg-page);
  padding: 80px 0;
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.guarantee-card {
  background: white;
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--card-shadow);
}

.guarantee-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: var(--sky-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.guarantee-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.guarantee-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.about-cta-section {
  background: linear-gradient(135deg, var(--sky) 0%, var(--sky-dark) 100%);
  padding: 80px 0;
  text-align: center;
}

.about-cta-title {
  font-size: 2rem;
  font-weight: 800;
  color: white;
  margin-bottom: 24px;
}

/* ========================================
   10. 滚动动画
======================================== */

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

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

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

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

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

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

/* 天际蓝线条引导动画 */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

.scroll-indicator::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
  margin-top: 8px;
  animation: scrollLine 1.5s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.5; height: 40px; }
  50% { opacity: 1; height: 50px; }
}

/* ========================================
   11. 响应式
======================================== */

@media (max-width: 1024px) {
  .hero-animation {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .hero-animation-center {
    display: none;
  }
  
  .advantage-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .product-cards {
    grid-template-columns: 1fr;
  }
  
  .reasons-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .compare-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .product-line-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .product-detail-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .navbar-nav,
  .navbar-cta {
    display: none;
  }
  
  .navbar-hamburger {
    display: flex;
  }
  
  .hero-content {
    padding: 40px 20px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100%;
    max-width: 280px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .advantage-cards {
    grid-template-columns: 1fr;
  }
  
  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .compare-grid {
    grid-template-columns: 1fr;
  }
  
  .product-line-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cta-tags {
    flex-direction: column;
    gap: 12px;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  .guarantee-grid {
    grid-template-columns: 1fr;
  }
  
  .compare-table,
  .full-compare-table {
    font-size: 0.85rem;
  }
  
  .compare-table th,
  .compare-table td,
  .full-compare-table th,
  .full-compare-table td {
    padding: 12px 8px;
  }
  
  .page-hero {
    padding: 100px 0 60px;
  }
  
  .page-hero h1 {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }
  
  .reasons-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .product-line-grid {
    grid-template-columns: 1fr;
  }
  
  .product-detail-params {
    grid-template-columns: 1fr;
  }
  
  .cta-form {
    padding: 24px 16px;
  }
}