/* Font Awesome 图标库 - 国内CDN源 */
@import url('https://cdn.bootcdn.net/ajax/libs/font-awesome/6.5.1/css/all.min.css');

/* ==================== 全局样式 ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #07C160;
  --primary-light: #10D96B;
  --primary-dark: #059A4D;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-dark: #0f172a;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ==================== 导航栏 ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.5);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-lg);
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-logo-icon {
  width: 40px;
  height: 40px;
  background: url("../images/logo.png") center/contain no-repeat;
}

.navbar-logo-text {
  font-weight: 700;
  font-size: 1.25rem;
  background: linear-gradient(135deg, var(--text-primary), #475569);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-link {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.navbar-link:hover {
  color: var(--primary);
  background: rgba(7, 193, 96, 0.1);
}

.navbar-link.active {
  color: var(--primary);
  background: rgba(7, 193, 96, 0.1);
}

/* 下拉菜单 */
.navbar-item {
  position: relative;
}

.navbar-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 100;
}

.navbar-item:hover .navbar-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar-dropdown-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.navbar-dropdown-link:hover {
  color: var(--primary);
  background: rgba(7, 193, 96, 0.05);
}

.navbar-dropdown-link.active {
  color: var(--primary);
  background: rgba(7, 193, 96, 0.1);
}

.navbar-dropdown-icon {
  width: 32px;
  height: 32px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.875rem;
}

.navbar-dropdown-link:hover .navbar-dropdown-icon,
.navbar-dropdown-link.active .navbar-dropdown-icon {
  background: var(--primary);
  color: white;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-mobile-toggle {
  display: none;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 1.25rem;
}

/* ==================== 按钮 ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  box-shadow: 0 4px 14px rgba(7, 193, 96, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  box-shadow: 0 6px 20px rgba(7, 193, 96, 0.35);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-xl);
}

.btn-xl {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
  border-radius: var(--radius-2xl);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

/* ==================== Hero 区域 ==================== */
.hero {
  position: relative;
  padding: 8rem 1.5rem 6rem;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(7, 193, 96, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 193, 96, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
}

.hero-glow-1 {
  top: 0;
  left: 25%;
  background: var(--primary);
}

.hero-glow-2 {
  bottom: 0;
  right: 25%;
  background: var(--primary-light);
}

.hero-content {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(7, 193, 96, 0.1);
  border: 1px solid rgba(7, 193, 96, 0.2);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 2rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-title-gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-light), #00B5A5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-promise {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.hero-promise-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-promise-item i {
  color: var(--primary);
}

/* ==================== 统计区域 ==================== */
.stats-bar {
  padding: 4rem 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  position: relative;
}

.stats-bar-container {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
  color: white;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* ==================== Section通用 ==================== */
.section {
  padding: 6rem 1.5rem;
}

.section-container {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: rgba(7, 193, 96, 0.06);
  border: 1px solid rgba(7, 193, 96, 0.2);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ==================== 痛点区域 ==================== */
.pain-section {
  background: var(--bg-primary);
}

.pain-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pain-item {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.pain-item:hover {
  border-color: rgba(7, 193, 96, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pain-item:hover .pain-number {
  background: var(--primary);
  color: white;
}

.pain-number {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(7, 193, 96, 0.1);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.pain-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pain-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.pain-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.pain-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--bg-secondary);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.pain-tag strong {
  color: var(--primary-dark);
  font-weight: 600;
  margin-left: 4px;
}

/* ==================== 功能区域 ==================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(7, 193, 96, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: white;
  transform: scale(1.1);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  transition: color 0.3s ease;
}

.feature-card:hover .feature-title {
  color: var(--primary);
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.feature-stats {
  display: flex;
  gap: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.feature-stat {
  font-size: 0.8125rem;
}

.feature-stat-value {
  font-weight: 700;
  color: var(--primary);
  font-size: 1rem;
}

.feature-stat-label {
  color: var(--text-muted);
}

/* ==================== 价值区域 ==================== */
.value-section {
  background: var(--bg-secondary);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.value-card {
  background: white;
  border-radius: var(--radius-2xl);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.value-card:hover {
  border-color: rgba(7, 193, 96, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.value-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin: 0 auto 1.5rem;
}

.value-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.value-label {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.value-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ==================== 案例区域 ==================== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.case-card {
  background: white;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.case-card:hover {
  border-color: rgba(7, 193, 96, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 1.5rem;
  color: white;
}

.case-industry {
  font-size: 0.75rem;
  opacity: 0.9;
  margin-bottom: 0.5rem;
}

.case-company {
  font-size: 1.125rem;
  font-weight: 600;
}

.case-scale {
  font-size: 0.8125rem;
  opacity: 0.9;
  margin-top: 0.5rem;
}

.case-body {
  padding: 1.5rem;
}

.case-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.case-comparison {
  margin-bottom: 1.5rem;
}

.comparison-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

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

.comparison-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.comparison-values {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.comparison-before {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.comparison-after {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.comparison-change {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(7, 193, 96, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 100px;
}

.case-quote {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-style: italic;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--primary);
}

.case-quote-author {
  margin-top: 0.75rem;
  font-style: normal;
  font-weight: 500;
  color: var(--text-primary);
}

/* ==================== 技术优势 ==================== */
.tech-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.tech-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

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

.tech-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 1.25rem;
}

.tech-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.tech-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.tech-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  background: rgba(7, 193, 96, 0.08);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 20px;
}

.tech-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
}

.tech-stat-item {
  text-align: center;
}

.tech-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.tech-stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

@media (max-width: 1024px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tech-stats {
    gap: 2rem;
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .tech-grid {
    grid-template-columns: 1fr;
  }
  
  .tech-stats {
    gap: 1.5rem;
  }
  
  .tech-stat-value {
    font-size: 1.5rem;
  }
}

/* ==================== ROI计算器 ==================== */
.roi-section {
  background: var(--bg-secondary);
}

.roi-calculator {
  max-width: 600px;
  margin: 0 auto;
}

.roi-input-group {
  margin-bottom: 2rem;
}

.roi-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.roi-select {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  background: white;
  cursor: pointer;
  transition: all 0.2s ease;
}

.roi-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(7, 193, 96, 0.1);
}

.roi-result {
  background: white;
  border-radius: var(--radius-2xl);
  padding: 2rem;
  border: 1px solid var(--border-color);
}

.roi-result-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-align: center;
}

.roi-result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.roi-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
}

.roi-result-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.roi-result-value {
  font-weight: 600;
  color: var(--text-primary);
}

.roi-result-value.highlight {
  color: var(--primary);
  font-size: 1.125rem;
}

.roi-result-footer {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.roi-roi {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.roi-payback {
  color: var(--text-secondary);
}

/* ==================== 价格区域 ==================== */
.pricing-section {
  background: var(--bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pricing-card {
  background: white;
  border-radius: var(--radius-2xl);
  padding: 2rem;
  border: 1px solid var(--border-color);
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  border-color: rgba(7, 193, 96, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
  border-color: var(--primary);
  border-width: 2px;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.375rem 1rem;
  border-radius: 100px;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pricing-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.pricing-price {
  margin-bottom: 1.5rem;
}

.pricing-amount {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-primary);
}

.pricing-period {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pricing-features {
  margin-bottom: 1.5rem;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.pricing-feature i {
  color: var(--primary);
  font-size: 0.75rem;
}

.pricing-feature.disabled {
  color: var(--text-muted);
}

.pricing-feature.disabled i {
  color: var(--text-muted);
}

/* ==================== ROI分析 ==================== */
.roi-analysis-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.roi-analysis-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.roi-analysis-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.roi-analysis-icon {
  width: 48px;
  height: 48px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary);
  margin: 0 auto 1rem;
}

.roi-analysis-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.roi-analysis-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.roi-analysis-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.roi-breakdown {
  background: white;
  border-radius: var(--radius-2xl);
  padding: 2rem;
  border: 1px solid var(--border-color);
}

.roi-breakdown-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 2rem;
}

.roi-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.roi-breakdown-item {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
}

.roi-breakdown-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.roi-breakdown-icon {
  width: 32px;
  height: 32px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--primary);
}

.roi-breakdown-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.roi-breakdown-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.roi-breakdown-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.roi-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(7, 193, 96, 0.05), rgba(7, 193, 96, 0.02));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(7, 193, 96, 0.1);
}

.roi-total-left,
.roi-total-right,
.roi-total-result {
  text-align: center;
}

.roi-total-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.roi-total-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.roi-total-value.secondary {
  color: var(--text-secondary);
}

.roi-total-value.highlight {
  color: var(--primary);
}

@media (max-width: 1024px) {
  .roi-analysis-grid,
  .roi-breakdown-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .roi-total {
    flex-wrap: wrap;
    gap: 1rem;
  }
  
  .roi-total-left,
  .roi-total-right,
  .roi-total-result {
    flex: 1;
    min-width: 140px;
  }
}

@media (max-width: 768px) {
  .roi-analysis-grid,
  .roi-breakdown-grid {
    grid-template-columns: 1fr;
  }
  
  .roi-total {
    flex-direction: column;
  }
}

/* ==================== 安全保障 ==================== */
.security-section {
  background: white;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.security-card {
  text-align: center;
  padding: 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.security-card:hover {
  border-color: rgba(7, 193, 96, 0.3);
  background: rgba(7, 193, 96, 0.02);
}

.security-icon {
  width: 64px;
  height: 64px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
  margin: 0 auto 1.5rem;
}

.security-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.security-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==================== 页面标题区 ==================== */
.page-hero {
  padding: 8rem 1.5rem 4rem;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  text-align: center;
}

.page-hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.page-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(7, 193, 96, 0.1);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 1.5rem;
}

.page-hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.page-hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .page-hero {
    padding: 6rem 1rem 3rem;
  }
  
  .page-hero-title {
    font-size: 1.75rem;
  }
  
  .page-hero-subtitle {
    font-size: 1rem;
  }
}

/* ==================== 安全保障页面 ==================== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.cert-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

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

.cert-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: white;
  margin: 0 auto 1rem;
}

.cert-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.cert-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.security-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.security-detail-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--border-color);
}

.security-detail-icon {
  width: 48px;
  height: 48px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.security-detail-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.security-detail-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.security-detail-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.security-detail-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.security-detail-feature i {
  color: var(--primary);
  font-size: 0.75rem;
}

.backup-timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.backup-timeline::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--border-color);
}

.backup-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.backup-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 1rem;
  box-shadow: 0 4px 12px rgba(7, 193, 96, 0.3);
}

.backup-content {
  padding: 0 0.5rem;
}

.backup-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.backup-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.security-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.security-feature-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.security-feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.security-feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.security-feature-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.security-feature-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.compliance-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--border-color);
  display: flex;
  gap: 1.25rem;
  transition: all 0.3s ease;
}

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

.compliance-icon {
  width: 48px;
  height: 48px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary);
  flex-shrink: 0;
}

.compliance-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.compliance-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .cert-grid,
  .security-detail-grid,
  .security-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .cert-grid,
  .security-detail-grid,
  .security-features-grid,
  .compliance-grid {
    grid-template-columns: 1fr;
  }
  
  .backup-timeline {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .backup-timeline::before {
    display: none;
  }
}

/* ==================== 服务支持页面 ==================== */
.service-promise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.service-promise-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.service-promise-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.service-promise-icon {
  width: 48px;
  height: 48px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary);
  margin: 0 auto 1rem;
}

.service-promise-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.service-promise-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.service-promise-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.service-content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-content-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.service-content-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.service-content-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  margin-bottom: 1rem;
}

.service-content-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.service-content-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.service-content-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-content-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.service-content-list li:last-child {
  border-bottom: none;
}

.service-content-list li i {
  color: var(--primary);
  font-size: 0.75rem;
}

.service-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  max-width: 1000px;
  margin: 0 auto;
}

.service-flow-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: white;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  flex: 1;
}

.service-flow-number {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.service-flow-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.service-flow-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.service-flow-arrow {
  color: var(--primary);
  font-size: 1.25rem;
}

.help-center-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.help-center-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.3s ease;
}

.help-center-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.help-center-icon {
  width: 48px;
  height: 48px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary);
  margin: 0 auto 1rem;
}

.help-center-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.help-center-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.help-center-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  transition: all 0.2s ease;
}

.help-center-link:hover {
  gap: 0.5rem;
}

.contact-methods-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.contact-method-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.contact-method-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  margin: 0 auto 1rem;
}

.contact-method-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.contact-method-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.contact-method-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .service-promise-grid,
  .help-center-grid,
  .contact-methods-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .service-flow {
    flex-wrap: wrap;
  }
  
  .service-flow-arrow {
    display: none;
  }
  
  .service-flow-item {
    flex: 1 1 calc(50% - 0.75rem);
    min-width: 200px;
  }
}

@media (max-width: 768px) {
  .service-promise-grid,
  .service-content-grid,
  .help-center-grid,
  .contact-methods-grid {
    grid-template-columns: 1fr;
  }
  
  .service-flow-item {
    flex: 1 1 100%;
  }
}

/* ==================== 案例页面 ==================== */
.cases-stats-bar {
  display: flex;
  justify-content: center;
  gap: 4rem;
  padding: 2rem;
  background: white;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-color);
}

.cases-stat-item {
  text-align: center;
}

.cases-stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.cases-stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.industry-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.industry-filter-btn {
  padding: 0.625rem 1.25rem;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.industry-filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.industry-filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.cases-grid-detail {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.case-card-detail {
  background: white;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

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

.case-card-header {
  padding: 1.5rem;
  color: white;
}

.case-card-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.case-card-tag {
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.case-card-company {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.case-card-pain {
  font-size: 0.875rem;
  opacity: 0.9;
}

.case-card-body {
  padding: 1.5rem;
}

.case-card-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.case-metric {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 1rem;
  text-align: center;
}

.case-metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.case-metric-values {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.case-metric-before {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.case-metric-arrow {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.case-metric-after {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.case-metric-change {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.125rem 0.5rem;
  border-radius: 50px;
  display: inline-block;
}

.case-metric-change.positive {
  background: rgba(7, 193, 96, 0.1);
  color: var(--primary);
}

.case-card-quote {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 1rem;
  border-left: 3px solid var(--primary);
}

.case-card-quote p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.case-quote-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.case-quote-avatar {
  width: 36px;
  height: 36px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.875rem;
}

.case-quote-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.case-quote-title {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.testimonial-rating {
  color: #f59e0b;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.testimonial-content {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
}

.testimonial-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.testimonial-company {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.industry-solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.industry-solution-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.3s ease;
}

.industry-solution-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.industry-solution-icon {
  width: 48px;
  height: 48px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary);
  margin: 0 auto 1rem;
}

.industry-solution-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.industry-solution-features {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.industry-solution-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.industry-solution-features li i {
  color: var(--primary);
  font-size: 0.75rem;
}

@media (max-width: 1024px) {
  .cases-stats-bar {
    gap: 2rem;
    flex-wrap: wrap;
  }
  
  .cases-grid-detail {
    grid-template-columns: 1fr;
  }
  
  .testimonials-grid,
  .industry-solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .cases-stats-bar {
    flex-direction: column;
    gap: 1rem;
  }
  
  .cases-stat-value {
    font-size: 2rem;
  }
  
  .testimonials-grid,
  .industry-solutions-grid {
    grid-template-columns: 1fr;
  }
  
  .case-card-metrics {
    grid-template-columns: 1fr;
  }
}

/* ==================== 价格方案页面 ==================== */
.version-guide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.version-guide-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  position: relative;
  transition: all 0.3s ease;
}

.version-guide-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.version-guide-card.popular {
  border-color: var(--primary);
  border-width: 2px;
}

.version-guide-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
}

.version-guide-icon {
  width: 48px;
  height: 48px;
  background: rgba(7, 193, 96, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.version-guide-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.version-guide-scenario {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.version-guide-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.version-guide-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.375rem 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.version-guide-list li i {
  color: var(--primary);
  font-size: 0.75rem;
  margin-top: 0.125rem;
}

.version-guide-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.pricing-testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pricing-testimonial-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.pricing-testimonial-rating {
  color: #f59e0b;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.pricing-testimonial-content {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.pricing-testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.pricing-testimonial-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pricing-testimonial-company {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 1000px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

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

.faq-question {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 6px;
  flex-shrink: 0;
}

.faq-question h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.faq-answer {
  padding-left: 2.5rem;
}

.faq-answer p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.promise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.promise-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

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

.promise-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  margin: 0 auto 1rem;
}

.promise-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.promise-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .version-guide-grid,
  .pricing-testimonials-grid,
  .promise-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .version-guide-grid,
  .pricing-testimonials-grid,
  .faq-grid,
  .promise-grid {
    grid-template-columns: 1fr;
  }
}

/* ==================== CTA区域 ==================== */
.cta-section {
  position: relative;
  padding: 6rem 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-light), #00B5A5);
  overflow: hidden;
}

.cta-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.cta-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.cta-steps {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 2rem;
}

.cta-step {
  text-align: center;
}

.cta-step-number {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 auto 0.75rem;
}

.cta-step-text {
  color: white;
  font-weight: 500;
}

.cta-step-time {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.cta-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: white;
  color: var(--primary);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-xl);
  transition: all 0.2s ease;
}

.cta-btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

.cta-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.5);
  color: white;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-xl);
  transition: all 0.2s ease;
}

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

.cta-promise {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.cta-promise-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
}

.cta-promise-item i {
  color: white;
}

/* ==================== 页脚 ==================== */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: 4rem 1.5rem 2rem;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  margin-bottom: 1.5rem;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.footer-brand-icon {
  width: 40px;
  height: 40px;
  background: url("../images/logo.png") center/contain no-repeat;
}
.footer-brand-icon i {
  display: none;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.footer-logo-icon {
  width: 40px;
  height: 40px;
  background: url("../images/logo.png") center/contain no-repeat;
}
.footer-logo-icon i {
  display: none;
}

.footer-brand-text {
  font-weight: 700;
  font-size: 1.25rem;
}

.footer-brand-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.footer-column-title {
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-link {
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-copyright strong {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-legal a,
.footer-legal span {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

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

/* ==================== 移动端菜单 ==================== */
.mobile-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: white;
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  display: none;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
}

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

.mobile-menu-link {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
}

.mobile-menu-link:hover {
  color: var(--primary);
  background: rgba(7, 193, 96, 0.1);
}

.mobile-menu-group {
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
}

.mobile-menu-sub {
  padding-left: 1rem;
  margin-top: 0.25rem;
}

.mobile-menu-sub a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.mobile-menu-sub a:hover {
  color: var(--primary);
  background: rgba(7, 193, 96, 0.05);
}

.mobile-menu-sub a i {
  width: 20px;
  text-align: center;
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .features-grid,
  .value-grid,
  .pricing-grid,
  .security-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .navbar-links {
    display: none;
  }
  
  .navbar-mobile-toggle {
    display: block;
  }
  
  .navbar-actions .btn {
    display: none;
  }
  
  .navbar-container {
    height: 56px;
    padding: 0 1rem;
  }
  
  .navbar-logo-text {
    font-size: 1rem;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .hero {
    padding: 5rem 1rem 3rem;
  }
  
  .hero-title {
    font-size: 1.75rem;
    line-height: 1.3;
  }
  
  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
    margin-bottom: 1.5rem;
  }
  
  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .hero-promise {
    gap: 1rem;
    font-size: 0.75rem;
  }
  
  .hero-badge {
    font-size: 0.75rem;
    margin-bottom: 1rem;
  }
  
  .stats-bar-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .stat-number {
    font-size: 1.75rem;
  }
  
  .pain-grid,
  .features-grid,
  .cases-grid,
  .value-grid,
  .pricing-grid,
  .security-grid {
    grid-template-columns: 1fr;
  }
  
  .pain-list {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .pain-item {
    padding: 1.25rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .cta-section {
    padding: 3rem 1rem;
  }
  
  .cta-title {
    font-size: 1.5rem;
  }
  
  .cta-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .cta-steps {
    flex-direction: column;
    gap: 1rem;
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-actions .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .cta-promise {
    gap: 1rem;
    font-size: 0.75rem;
  }
  
  .section {
    padding: 3rem 1rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .section-subtitle {
    font-size: 0.9375rem;
  }
  
  .section-header {
    margin-bottom: 2rem;
  }
  
  .feature-card {
    padding: 1.25rem;
  }
  
  .value-card {
    padding: 1.25rem;
  }
  
  .value-number {
    font-size: 2rem;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-card {
    padding: 1.5rem;
  }
  
  .mobile-menu {
    top: 56px;
    max-height: calc(100vh - 56px);
  }
  
  .page-hero {
    padding: 5rem 1rem 2.5rem;
  }
  
  .page-hero-title {
    font-size: 1.75rem;
  }
  
  .page-hero-subtitle {
    font-size: 0.9375rem;
  }
  
  .btn-xl {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
  
  .btn-lg {
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
  }

  /* 移动端价格方案Tab切换 */
  .pricing-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  
  .pricing-tabs::-webkit-scrollbar {
    display: none;
  }

  .pricing-tab {
    flex-shrink: 0;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
  }

  .pricing-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
  }

  .pricing-cards-wrapper {
    position: relative;
  }

  .pricing-grid {
    grid-template-columns: 1fr !important;
  }

  .pricing-card {
    display: none !important;
    padding: 1.25rem;
  }

  .pricing-card.active-card,
  .pricing-card.desktop-show {
    display: block !important;
  }

  /* 移动端安全保障2x2紧凑布局 */
  .security-section .section-container {
    max-width: 100%;
  }

  .security-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.75rem !important;
  }

  .security-card {
    padding: 1rem !important;
    text-align: center;
  }

  .security-icon {
    width: 40px !important;
    height: 40px !important;
    font-size: 1rem !important;
    margin: 0 auto 0.5rem !important;
  }

  .security-title {
    font-size: 0.875rem !important;
    margin-bottom: 0.25rem !important;
  }

  .security-desc {
    font-size: 0.75rem !important;
    line-height: 1.4 !important;
  }

  /* CTA步骤横排一行 */
  .cta-steps {
    flex-direction: row !important;
    justify-content: center;
    gap: 0.75rem !important;
    flex-wrap: nowrap;
  }

  .cta-step {
    text-align: center;
    flex: 1;
    min-width: 0;
  }

  .cta-step-number {
    width: 36px !important;
    height: 36px !important;
    font-size: 1rem !important;
    margin: 0 auto 0.375rem !important;
  }

  .cta-step-text {
    font-size: 0.75rem !important;
    white-space: nowrap;
  }

  .cta-step-time {
    font-size: 0.625rem !important;
  }

  /* 页脚三列隐藏联系方式 */
  .footer-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 1.5rem !important;
  }

  .footer-brand {
    grid-column: 1 / -1 !important;
    text-align: center;
  }

  .footer-brand-logo {
    justify-content: center;
  }

  .footer-column:nth-child(5) {
    display: none !important;
  }

  .footer-column-title {
    font-size: 0.875rem !important;
    margin-bottom: 0.75rem !important;
  }

  .footer-links li {
    margin-bottom: 0.375rem;
  }

  .footer-link {
    font-size: 0.75rem !important;
  }

  /* 通用移动端安全：表格横向滚动 */
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  table::-webkit-scrollbar {
    display: none;
  }

  /* 通用移动端：防止内容水平溢出 */
  section, .section-container, .footer-container {
    overflow-x: hidden;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.5rem;
  }
  
  .hero-subtitle {
    font-size: 0.875rem;
  }
  
  .stats-bar-container {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .stat-label {
    font-size: 0.75rem;
  }
  
  .section-title {
    font-size: 1.25rem;
  }
  
  .cta-title {
    font-size: 1.25rem;
  }
  
  .pricing-amount {
    font-size: 1.5rem;
  }

  /* 通用移动端安全：防止任何表格溢出 */
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* 通用移动端安全：确保所有图片不溢出 */
  img {
    max-width: 100%;
    height: auto;
  }

  /* 通用移动端：防止长文本/链接溢出 */
  a, span, p, li, td, th {
    word-break: break-word;
    overflow-wrap: break-word;
  }
}

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

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

@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
    opacity: 0.2;
  }
  50% {
    transform: translateY(-30px) translateX(10px);
    opacity: 0.5;
  }
}

.animate-float {
  animation: float 15s ease-in-out infinite;
}