:root {
  --primary-color: #1677ff;
  --primary-dark: #0958d9;
  --primary-light: #e6f4ff;
  --success-color: #52c41a;
  --danger-color: #ff4d4f;
  --warning-color: #faad14;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-tertiary: #999999;
  --bg-white: #ffffff;
  --bg-gray: #f5f7fa;
  --bg-light: #fafafa;
  --border-color: #e8ecf1;
  --shadow-sm: 0 2rpx 8rpx rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4rpx 16rpx rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8rpx 32rpx rgba(0, 0, 0, 0.12);
  --radius-sm: 8rpx;
  --radius-md: 16rpx;
  --radius-lg: 24rpx;
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* Navigation */
.navbar {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

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

.navbar-brand .logo {
  height: 40px;
}

.navbar-brand .site-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar-menu a {
  color: var(--text-secondary);
  font-size: 15px;
  padding: 8px 0;
  position: relative;
  transition: var(--transition);
}

.navbar-menu a:hover,
.navbar-menu a.active {
  color: var(--primary-color);
}

.navbar-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-color);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4rpx 12rpx rgba(22, 119, 255, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #0747a6);
  box-shadow: 0 6rpx 16rpx rgba(22, 119, 255, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: linear-gradient(135deg, #52c41a, #389e0d);
  color: #fff;
  box-shadow: 0 4rpx 12rpx rgba(82, 196, 26, 0.3);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #389e0d, #237804);
  box-shadow: 0 6rpx 16rpx rgba(82, 196, 26, 0.4);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-light);
}

/* Hero Section */
.hero {
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  padding: 60px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 0%, rgba(22, 119, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

/* Stats */
.stats-section {
  padding: 40px 0;
  background: var(--bg-white);
}

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

.stat-item {
  text-align: center;
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--bg-gray);
  transition: var(--transition);
}

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

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-tertiary);
}

/* Features */
.features-section {
  padding: 60px 0;
  background: var(--bg-gray);
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-primary);
}

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

.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 28px;
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Products */
.products-section {
  padding: 60px 0;
  background: var(--bg-white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.product-card {
  display: flex;
  gap: 24px;
  padding: 32px;
  background: var(--bg-gray);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.product-icon {
  width: 80px;
  height: 80px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  flex-shrink: 0;
}

.product-content {
  flex: 1;
}

.product-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.product-price {
  font-size: 20px;
  font-weight: 700;
  color: var(--danger-color);
  margin-bottom: 12px;
}

.product-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

/* Report Section */
.report-section {
  padding: 60px 0;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.report-info {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-color);
  margin-bottom: 32px;
}

.report-types {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.report-type {
  padding: 24px;
  background: var(--bg-gray);
  border-radius: var(--radius-md);
}

.report-type h5 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.report-type p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* CTA */
.cta-section {
  padding: 60px 0;
  background: var(--primary-color);
  text-align: center;
}

.cta-section .section-title {
  color: #fff;
  margin-bottom: 24px;
}

.cta-section .btn {
  background: #fff;
  color: var(--primary-color);
  font-size: 16px;
  padding: 14px 40px;
}

.cta-section .btn:hover {
  background: var(--bg-gray);
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: #fff;
  padding: 40px 0 20px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.footer-links a:hover {
  color: #fff;
}

.footer-info {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

.footer-info a {
  color: rgba(255, 255, 255, 0.6);
}

.footer-info a:hover {
  color: #fff;
}

.footer-beian {
  margin-top: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

/* Page Header */
.page-header {
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
  padding: 40px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

/* Form */
.form-section {
  padding: 40px 0;
  background: var(--bg-white);
}

.form-card {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-gray);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-white);
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.1);
}

.form-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 6px;
}

.form-tabs {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.form-tab {
  flex: 1;
  padding: 12px;
  text-align: center;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
  color: var(--text-secondary);
}

.form-tab.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
}

.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 48px;
  text-align: center;
  background: var(--bg-white);
  cursor: pointer;
  transition: var(--transition);
}

.upload-area:hover {
  border-color: var(--primary-color);
  background: var(--primary-light);
}

.upload-icon {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--text-tertiary);
}

.upload-text {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.upload-hint {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Notice */
.notice {
  background: #fffbe6;
  border: 1px solid #ffe58f;
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 24px;
}

.notice-title {
  font-size: 14px;
  font-weight: 600;
  color: #d48806;
  margin-bottom: 8px;
}

.notice-list {
  font-size: 13px;
  color: #8c6d1f;
  line-height: 1.8;
  list-style: decimal;
  padding-left: 20px;
}

.notice-list li {
  margin-bottom: 4px;
}

/* FAQ */
.faq-section {
  padding: 40px 0;
  background: var(--bg-gray);
}

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

.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.faq-question {
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question:hover {
  background: var(--bg-gray);
}

.faq-answer {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

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

.faq-icon {
  transition: transform 0.3s;
}

/* Table */
.table-section {
  padding: 40px 0;
  background: var(--bg-white);
}

.table-wrapper {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

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

.data-table th {
  background: var(--bg-gray);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.data-table td {
  font-size: 14px;
  color: var(--text-secondary);
}

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

.data-table tr:hover td {
  background: var(--bg-gray);
}

/* Verify */
.verify-section {
  padding: 60px 0;
  background: var(--bg-white);
  text-align: center;
}

.verify-form {
  max-width: 500px;
  margin: 0 auto;
}

.verify-type {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  justify-content: center;
}

.verify-type label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
}

.verify-input {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  text-align: center;
}

.verify-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Batch */
.batch-section {
  background: var(--primary-light);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 24px;
  text-align: center;
  border: 1px solid var(--border-color);
}

.batch-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.batch-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Wechat Mini */
.mini-section {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px;
  background: var(--bg-gray);
  border-radius: var(--radius-md);
  margin-top: 32px;
}

.mini-qr {
  width: 100px;
  height: 100px;
  background: var(--bg-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.mini-text {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar-menu {
    display: none;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 28px;
  }
  
  .stat-value {
    font-size: 24px;
  }
}