/* mirror_flow:p6_ai_generated */
@charset "UTF-8";
:root {
  --color-primary: #2B6F5D;
  --color-primary-light: #3D8A75;
  --color-primary-dark: #1F5244;
  --color-accent: #F4A261;
  --color-accent-light: #F7B878;
  --color-accent-dark: #E08D4A;
  --color-bg-dark: #1A1A2E;
  --color-bg-light: #F8F9FA;
  --color-bg-white: #FFFFFF;
  --color-text-dark: #1A1A2E;
  --color-text-body: #3D3D4A;
  --color-text-muted: #6B6B7A;
  --color-text-light: #9A9AA8;
  --color-text-on-dark: #FFFFFF;
  --color-border: #E0E0E6;
  --color-border-light: #F0F0F3;
  --color-success: #4CAF7C;
  --color-error: #E05555;
  --font-family-base: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-family-heading: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.25rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-base: 1.6;
  --line-height-relaxed: 1.75;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  --spacing-section: 5rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12);
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --container-max: 1280px;
  --container-padding: 1.5rem;
  --header-height: 72px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-body);
  background-color: var(--color-bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}
ul, ol {
  list-style: none;
}
button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}
input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text-dark);
}
h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: var(--shadow-md);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  letter-spacing: 0.02em;
}
.site-logo img {
  height: 40px;
  width: auto;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}
.main-nav a {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-body);
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
}
.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}
.main-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.5rem 1.25rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.main-nav .nav-cta::after {
  display: none;
}
.main-nav .nav-cta:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
}
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
  cursor: pointer;
}
.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-dark);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.hero-section {
  padding-top: calc(var(--header-height) + var(--spacing-3xl));
  padding-bottom: var(--spacing-4xl);
  background: linear-gradient(160deg, var(--color-bg-light) 0%, #f0f4f3 30%, #e8efec 100%);
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(43,111,93,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -40px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(244,162,97,0.10) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content {
  max-width: 560px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.4rem 1rem;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero-content h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}
.hero-content h1 .highlight {
  color: var(--color-primary);
  position: relative;
}
.hero-content h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(244,162,97,0.35);
  border-radius: 4px;
  z-index: -1;
}
.hero-content p {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.75rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--color-accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  object-fit: cover;
  width: 100%;
  aspect-ratio: 4 / 3;
}
.hero-stats {
  position: absolute;
  bottom: -20px;
  left: 10%;
  right: 10%;
  display: flex;
  gap: var(--spacing-md);
  background: var(--color-bg-white);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.hero-stat-item {
  text-align: center;
  flex: 1;
}
.hero-stat-item .stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}
.hero-stat-item .stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}
.section {
  padding: var(--spacing-section) 0;
}
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}
.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-sm);
}
.section-header h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-md);
}
.section-header p {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}
.section-bg-light {
  background: var(--color-bg-light);
}
.section-bg-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}
.section-bg-dark .section-header h2,
.section-bg-dark .section-header p,
.section-bg-dark .section-label {
  color: var(--color-text-on-dark);
}
.section-bg-dark .section-header p {
  color: rgba(255,255,255,0.7);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}
.service-card {
  background: var(--color-bg-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-align: center;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  font-size: 1.75rem;
  color: #fff;
}
.service-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}
.service-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}
.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;