/* CSS变量定义 */
:root {
  --primary: #00A862;
  --primary-dark: #0D7A45;
  --primary-light: #E8F8F0;
  --bg-soft: #F8FCFA;
  --text-dark: #1A1A1A;
  --text-gray: #4A4A4A;
  --border-color: #E0E0E0;
  --white: #FFFFFF;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
}

/* 添加一些额外的美化样式 */
h2 {
  position: relative;
  padding-bottom: 15px;
}

h2:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
}

/* 增强卡片的视觉效果 */
.card {
  background-color: var(--white);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

/* 添加一些额外的间距和美化 */
.tags-wrapper, .badges-wrapper {
  margin-bottom: 20px;
}

.intro-paragraphs p:first-child {
  margin-top: 0;
}

.intro-paragraphs p:last-child {
  margin-bottom: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 按钮样式 */
.btn {
  padding: 12px 24px;
  border-radius: 24px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 16px;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 168, 98, 0.2);
}

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

.btn-secondary:hover {
  background-color: var(--primary-light);
  transform: scale(1.05);
}

/* 头部导航栏 */
.header {
  position: sticky;
  top: 0;
  background-color: transparent;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.header.scrolled {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition);
}

.nav a:hover {
  color: var(--primary);
}

/* Banner区域 */
.banner {
  padding: 60px 0;
  background: linear-gradient(135deg, #00A862 0%, #1BAF6A 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect width="100" height="100" fill="rgba(255,255,255,0.05)"/></svg>');
  opacity: 0.3;
}

.banner-content {
  flex: 1;
  max-width: 600px;
}

.banner-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}

.banner-subtitle {
  font-size: 20px;
  margin-bottom: 24px;
  opacity: 0.9;
}

.tags-wrapper {
  margin-bottom: 20px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.tag {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  backdrop-filter: blur(10px);
}

.badges-wrapper {
  margin-bottom: 32px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.badge {
  background-color: rgba(255, 255, 255, 0.15);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  backdrop-filter: blur(10px);
}

.price-highlight {
  background-color: var(--white);
  color: var(--primary);
  padding: 20px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 18px;
  margin-top: 20px;
  box-shadow: var(--shadow);
}

.price-main {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.price-details {
  font-size: 16px;
  margin-bottom: 8px;
}

.price-note {
  font-size: 14px;
  color: var(--text-gray);
  margin-top: 8px;
}

.banner-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.cashier-placeholder {
  width: 300px;
  height: 250px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--white);
  font-size: 14px;
  border: 2px dashed rgba(255, 255, 255, 0.3);
}

/* 行业介绍 */
.intro {
  padding: 60px 0;
  background-color: var(--bg-soft);
}

.intro h2 {
  font-size: 28px;
  margin-bottom: 24px;
  text-align: center;
}

.intro-content {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
}

.intro-text {
  flex: 1;
  min-width: 300px;
}

.intro-paragraphs p {
  margin-bottom: 16px;
  font-size: 16px;
  color: var(--text-gray);
  line-height: 1.7;
}

.intro-image {
  flex: 1;
  min-width: 300px;
  display: flex;
  justify-content: center;
}

.process-placeholder {
  width: 300px;
  height: 150px;
  background: rgba(0, 168, 98, 0.1);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--primary);
  font-size: 14px;
  border: 2px dashed rgba(0, 168, 98, 0.3);
}

/* 选型标准表格 */
.selection {
  padding: 60px 0;
}

.selection h2 {
  font-size: 28px;
  margin-bottom: 30px;
  text-align: center;
}

.table-container {
  overflow-x: auto;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--white);
}

thead {
  background-color: var(--primary);
  color: var(--white);
}

th {
  padding: 16px 20px;
  text-align: left;
  font-weight: 600;
}

td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.highlight {
  background-color: var(--primary-light);
  font-weight: 500;
  position: relative;
}

.highlight::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--primary);
}

/* 核心功能 */
.features {
  padding: 60px 0;
  background-color: var(--bg-soft);
}

.features h2 {
  font-size: 28px;
  margin-bottom: 40px;
  text-align: center;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background-color: var(--white);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.card-icon {
  width: 60px;
  height: 60px;
  background-color: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
}

.card h3 {
  margin-bottom: 12px;
  font-size: 20px;
}

.card p {
  color: var(--text-gray);
  font-size: 15px;
  line-height: 1.6;
}

/* 售后服务 */
.support {
  padding: 60px 0;
}

.support h2 {
  font-size: 28px;
  margin-bottom: 40px;
  text-align: center;
}

.cards-grid-2col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card-number {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 30px;
  height: 30px;
  background-color: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 14px;
}

/* 客户案例 */
.cases {
  padding: 60px 0;
  background-color: var(--bg-soft);
}

.cases h2 {
  font-size: 28px;
  margin-bottom: 40px;
  text-align: center;
}

.cards-grid-3col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.case-card {
  background-color: var(--white);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.case-card h3 {
  margin-bottom: 16px;
  color: var(--primary);
  font-size: 20px;
}

.case-pain-points, .case-solutions, .case-results {
  margin-bottom: 16px;
}

.case-pain-points h4, .case-solutions h4, .case-results h4 {
  margin-bottom: 8px;
  color: var(--text-dark);
  font-size: 16px;
}

.case-pain-points ul, .case-solutions ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.case-pain-points li, .case-solutions li {
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text-gray);
}

.result-highlight {
  background-color: var(--primary-light);
  border-left: 3px solid var(--primary);
  padding: 8px 12px;
  border-radius: 4px;
  font-weight: bold;
  color: var(--primary);
  margin-top: 8px;
}

/* FAQ */
.faq {
  padding: 60px 0;
}

.faq h2 {
  font-size: 28px;
  margin-bottom: 30px;
  text-align: center;
}

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

.faq-item {
  margin-bottom: 24px;
  padding: 20px;
  background-color: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.faq-item h3 {
  margin-bottom: 12px;
  color: var(--text-dark);
  font-size: 18px;
}

.faq-item p {
  color: var(--text-gray);
  font-size: 15px;
  line-height: 1.6;
}

/* CTA区域 */
.cta {
  padding: 80px 0;
  background: linear-gradient(135deg, #00A862 0%, #1BAF6A 100%);
  color: var(--white);
  text-align: center;
}

.cta h2 {
  font-size: 32px;
  margin-bottom: 16px;
}

.cta-subtitle {
  font-size: 18px;
  margin-bottom: 30px;
  opacity: 0.9;
}

.cta-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 30px;
}

.cta-tag {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  backdrop-filter: blur(10px);
}

/* 页脚 */
.footer {
  padding: 30px 0;
  background-color: var(--text-dark);
  color: var(--white);
  text-align: center;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .banner-content {
    max-width: 100%;
    text-align: center;
  }
  
  .tags, .badges {
    justify-content: center;
  }
  
  .banner-image {
    display: none;
  }
  
  .intro {
    text-align: center;
  }
  
  .intro-text {
    margin-bottom: 30px;
  }
  
  .cards-grid, .cards-grid-2col, .cards-grid-3col {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  
  .intro-content {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .header .container {
    flex-direction: column;
    gap: 15px;
  }
  
  .nav ul {
    gap: 15px;
  }
  
  .banner-title {
    font-size: 28px;
  }
  
  .banner-subtitle {
    font-size: 18px;
  }
  
  .price-highlight {
    font-size: 16px;
  }
  
  .cards-grid, .cards-grid-2col, .cards-grid-3col {
    grid-template-columns: 1fr;
  }
  
  .cta h2 {
    font-size: 26px;
  }
  
  .cta-tags {
    flex-direction: column;
    align-items: center;
  }
  
  .intro-paragraphs p {
    font-size: 15px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 15px;
  }
  
  .banner {
    padding: 40px 0;
  }
  
  .banner-title {
    font-size: 24px;
  }
  
  .banner-subtitle {
    font-size: 16px;
  }
  
  .tags, .badges, .cta-tags {
    flex-direction: column;
    align-items: center;
  }
  
  .intro h2, .features h2, .support h2, .cases h2, .faq h2 {
    font-size: 24px;
  }
  
  .selection h2, .cta h2 {
    font-size: 24px;
  }
  
  .nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .price-highlight {
    padding: 16px;
  }
  
  .price-main {
    font-size: 18px;
  }
  
  .price-details {
    font-size: 14px;
  }
}