/* ==================== 基础重置 ==================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: linear-gradient(135deg, #faf8f5 0%, #f5ede4 50%, #faf8f5 100%);
  color: #2c1810;
  overflow-x: hidden;
}

/* ==================== 单页容器 ==================== */
.single-page {
  min-height: calc(100vh - 50px);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px 30px 25px;
  max-width: 1000px;
  margin: 0 auto;
}

/* ==================== 顶部区域：左右分栏 ==================== */
.header-section {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 900px;
  margin-bottom: 30px;
  gap: 40px;
}

/* 左侧：品牌和标题 */
.header-left {
  flex: 1;
}

/* 品牌标识 */
.brand-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
}

.logo {
  font-size: 32px;
}

.brand-name {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(135deg, #d4a574 0%, #b8935f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 主标题区 */
.hero-title {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}

.title-line {
  display: block;
  color: #2c1810;
}

.title-highlight {
  display: block;
  background: linear-gradient(135deg, #d4a574 0%, #b8935f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 15px;
  color: #666;
  letter-spacing: 2px;
}

/* 右侧：二维码 */
.header-right {
  flex-shrink: 0;
}

.qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.qr-box .qr-img {
  width: 110px;
  height: 110px;
  border-radius: 8px;
  object-fit: contain;
}

.qr-box .qr-text {
  font-size: 13px;
  color: #666;
}

/* ==================== 左右分栏内容区（顶部对齐） ==================== */
.two-columns {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-start;
  gap: 50px;
  width: 100%;
  max-width: 900px;
  margin-bottom: 30px;
}

.column {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.column-title {
  font-size: 18px;
  font-weight: 600;
  color: #2c1810;
  text-align: center;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(212, 165, 116, 0.3);
  width: 100%;
  max-width: 280px;
}

/* ==================== 左侧：核心功能网格 ==================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 280px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 16px 8px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(212, 165, 116, 0.15);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(212, 165, 116, 0.18);
  border-color: rgba(212, 165, 116, 0.3);
}

.feature-card .feature-icon {
  font-size: 28px;
  line-height: 1;
}

.feature-card .feature-name {
  font-size: 14px;
  color: #444;
  font-weight: 500;
  text-align: center;
}

/* ==================== 右侧：使用流程 ==================== */
.steps-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 280px;
}

.step-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(212, 165, 116, 0.1) 0%, rgba(184, 147, 95, 0.06) 100%);
  border-radius: 12px;
  border: 1px solid rgba(212, 165, 116, 0.25);
  width: 100%;
  transition: all 0.3s ease;
}

.step-card:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 12px rgba(212, 165, 116, 0.15);
}

.step-badge {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #d4a574 0%, #b8935f 100%);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.step-name {
  font-size: 15px;
  font-weight: 600;
  color: #2c1810;
}

.step-detail {
  font-size: 12px;
  color: #888;
}

.flow-arrow {
  font-size: 18px;
  color: #d4a574;
  font-weight: bold;
  opacity: 0.6;
  line-height: 1;
}

/* ==================== 统计数据 ==================== */
.stats-section {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 30px;
  padding: 12px 30px;
  background: #fff;
  border-radius: 50px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.stat-num {
  font-size: 20px;
  font-weight: 700;
  color: #d4a574;
}

.stat-label {
  font-size: 12px;
  color: #888;
}

.stat-divider {
  width: 1px;
  height: 30px;
  background: rgba(212, 165, 116, 0.3);
}

/* ==================== 页脚 ==================== */
.page-footer {
  text-align: center;
  padding: 15px 20px;
  background: #2c1810;
}

.page-footer p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
  .single-page {
    padding: 20px 20px 20px;
  }
  
  /* 顶部区域改为上下堆叠 */
  .header-section {
    flex-direction: column;
    gap: 20px;
    margin-bottom: 25px;
  }
  
  .header-left {
    text-align: center;
  }
  
  .brand-header {
    justify-content: center;
    margin-bottom: 12px;
  }
  
  .logo {
    font-size: 28px;
  }
  
  .brand-name {
    font-size: 24px;
  }
  
  .hero-title {
    font-size: 28px;
  }
  
  .hero-desc {
    font-size: 13px;
    letter-spacing: 1px;
  }
  
  .qr-box .qr-img {
    width: 100px;
    height: 100px;
  }
  
  /* 两列改为上下堆叠 */
  .two-columns {
    flex-direction: column;
    align-items: center;
    gap: 25px;
    margin-bottom: 25px;
  }
  
  .column {
    width: 100%;
    max-width: 320px;
  }
  
  .column-title {
    font-size: 16px;
    margin-bottom: 15px;
  }
  
  .features-grid {
    max-width: 100%;
  }
  
  .feature-card {
    padding: 14px 6px;
  }
  
  .feature-card .feature-icon {
    font-size: 24px;
  }
  
  .feature-card .feature-name {
    font-size: 13px;
  }
  
  .steps-flow {
    max-width: 100%;
  }
  
  .step-card {
    padding: 12px 14px;
  }
  
  .step-badge {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }
  
  .step-name {
    font-size: 14px;
  }
  
  .stats-section {
    gap: 20px;
    padding: 10px 25px;
  }
  
  .stat-num {
    font-size: 18px;
  }
}

/* ==================== 动画效果 ==================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header-section,
.two-columns,
.stats-section {
  animation: fadeInUp 0.6s ease forwards;
}

.two-columns { animation-delay: 0.15s; }
.stats-section { animation-delay: 0.3s; }