/* mirror_flow:p6_ai_generated */
:root {
  --dsn-primary: #1a5fb4;
  --dsn-primary-light: #3584e4;
  --dsn-primary-dark: #0d3b7a;
  --dsn-accent: #26a69a;
  --dsn-accent-light: #4db6ac;
  --dsn-bg: #ffffff;
  --dsn-bg-alt: #f5f7fa;
  --dsn-bg-dark: #1e1e2d;
  --dsn-text: #2c2c3a;
  --dsn-text-light: #6b7280;
  --dsn-text-inverse: #ffffff;
  --dsn-border: #e5e7eb;
  --dsn-border-light: #f0f1f3;
  --dsn-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --dsn-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --dsn-shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
  --dsn-radius-sm: 6px;
  --dsn-radius: 10px;
  --dsn-radius-lg: 16px;
  --dsn-radius-full: 9999px;
  --dsn-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --dsn-font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
  --dsn-font-size-xs: 0.75rem;
  --dsn-font-size-sm: 0.875rem;
  --dsn-font-size-base: 1rem;
  --dsn-font-size-lg: 1.125rem;
  --dsn-font-size-xl: 1.25rem;
  --dsn-font-size-2xl: 1.5rem;
  --dsn-font-size-3xl: 1.875rem;
  --dsn-font-size-4xl: 2.25rem;
  --dsn-font-size-5xl: 3rem;
  --dsn-spacing-xs: 0.25rem;
  --dsn-spacing-sm: 0.5rem;
  --dsn-spacing-md: 1rem;
  --dsn-spacing-lg: 1.5rem;
  --dsn-spacing-xl: 2rem;
  --dsn-spacing-2xl: 3rem;
  --dsn-spacing-3xl: 4rem;
  --dsn-spacing-4xl: 6rem;
  --dsn-max-width: 1200px;
  --dsn-header-height: 72px;
  --dsn-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --dsn-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --dsn-gradient-primary: linear-gradient(135deg, #1a5fb4 0%, #3584e4 100%);
  --dsn-gradient-accent: linear-gradient(135deg, #26a69a 0%, #4db6ac 100%);
  --dsn-gradient-dark: linear-gradient(135deg, #1e1e2d 0%, #2d2d40 100%);
}

*,
*::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(--dsn-font-sans);
  font-size: var(--dsn-font-size-base);
  line-height: 1.7;
  color: var(--dsn-text);
  background-color: var(--dsn-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--dsn-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--dsn-spacing-lg);
  padding-right: var(--dsn-spacing-lg);
}

.container--narrow {
  max-width: 900px;
}

.container--wide {
  max-width: 1400px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: calc(var(--dsn-spacing-md) * -1);
  margin-right: calc(var(--dsn-spacing-md) * -1);
}

.col {
  flex: 1 1 0%;
  padding-left: var(--dsn-spacing-md);
  padding-right: var(--dsn-spacing-md);
  min-width: 0;
}

.col-12 { flex: 0 0 100%; max-width: 100%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }

.section {
  padding-top: var(--dsn-spacing-4xl);
  padding-bottom: var(--dsn-spacing-4xl);
}

.section--sm {
  padding-top: var(--dsn-spacing-3xl);
  padding-bottom: var(--dsn-spacing-3xl);
}

.section--lg {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.section-header {
  text-align: center;
  margin-bottom: var(--dsn-spacing-3xl);
}

.section-header__label {
  display: inline-block;
  font-size: var(--dsn-font-size-sm);
  font-weight: 600;
  color: var(--dsn-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--dsn-spacing-sm);
}

.section-header__title {
  font-size: var(--dsn-font-size-4xl);
  font-weight: 700;
  color: var(--dsn-text);
  line-height: 1.3;
  margin-bottom: var(--dsn-spacing-md);
}

.section-header__desc {
  font-size: var(--dsn-font-size-lg);
  color: var(--dsn-text-light);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--dsn-spacing-sm);
  padding: 0.75rem 1.75rem;
  font-size: var(--dsn-font-size-base);
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--dsn-radius-full);
  transition: all var(--dsn-transition);
  white-space: nowrap;
  text-align: center;
}

.btn--primary {
  background: var(--dsn-gradient-primary);
  color: var(--dsn-text-inverse);
  box-shadow: 0 4px 14px rgba(26, 95, 180, 0.35);
}

.btn--primary:hover {
  box-shadow: 0 6px 20px rgba(26, 95, 180, 0.45);
  transform: translateY(-2px);
  color: var(--dsn-text-inverse);
}

.btn--outline {
  border: 2px solid var(--dsn-primary);
  color: var(--dsn-primary);
  background: transparent;
}

.btn--outline:hover {
  background: var(--dsn-primary);
  color: var(--dsn-text-inverse);
  transform: translateY(-2px);
}

.btn--accent {
  background: var(--dsn-gradient-accent);
  color: var(--dsn-text-inverse);
  box-shadow: 0 4px 14px rgba(38, 166, 154, 0.35);
}

.btn--accent:hover {
  box-shadow: 0 6px 20px rgba(38, 166, 154, 0.45);
  transform: translateY(-2px);
  color: var(--dsn-text-inverse);
}

.btn--white {
  background: #ffffff;
  color: var(--dsn-primary);
  box-shadow: var(--dsn-shadow);
}

.btn--white:hover {
  box-shadow: var(--dsn-shadow-lg);
  transform: translateY(-2px);
  color: var(--dsn-primary-dark);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--dsn-font-size-sm);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--dsn-font-size-lg);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--dsn-header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dsn-border-light);
  transition: all var(--dsn-transition);
}

.site-header--scrolled {
  box-shadow: var(--dsn-shadow);
  background: rgba(255, 255, 255, 0.98);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--dsn-header-height);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--dsn-spacing-sm);
  font-size: var(--dsn-font-size-xl);
  font-weight: 700;
  color: var(--dsn-text);
}

.site-header__logo img {
  height: 40px;
  width: auto;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--dsn-spacing-xl);
}

.site-header__nav a {
  color: var(--dsn-text);
  font-weight: 500;
  font-size: var(--dsn-font-size-sm);
  position: relative;
  padding: var(--dsn-spacing-xs) 0;
}

.site-header__nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--dsn-primary);
  transition: width var(--dsn-transition);
}

.site-header__nav a:hover {
  color: var(--dsn-primary);
}

.site-header__nav a:hover::after,
.site-header__nav a.active::after {
  width: 100%;
}

.site-header__nav a.active {
  color: var(--dsn-primary);
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--dsn-spacing-sm);
}

.site-header__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dsn-text);
  transition: var(--dsn-transition);
}

.hero {
  padding-top: calc(var(--dsn-header-height) + var(--dsn-spacing-4xl));
  padding-bottom: var(--dsn-spacing-4xl);
  background: linear-gradient(180deg, #f0f5fc 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26, 95, 180, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(38, 166, 154, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--dsn-spacing-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 560px;
}

.hero__badge {
  display: inline-block;
  background: rgba(26, 95, 180, 0.1);
  color: var(--dsn-primary);
  font-size: var(--dsn-font-size-sm);
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: var(--dsn-radius-full);
  margin-bottom: var(--dsn-spacing-lg);
}

.hero__title {
  font-size: var(--dsn-font-size-5xl);
  font-weight: 800;
  line-height: 1.2;
  color: var(--dsn-text);
  margin-bottom: var(--dsn-spacing-lg);
}

.hero__title span {
  color: var(--dsn-primary);
}

.hero__desc {
  font-size: var(--dsn-font-size-lg);
  color: var(--dsn-text-light);
  line-height: 1.8;
  margin-bottom: var(--dsn-spacing-xl);
}

.hero__actions {
  display: flex;
  gap: var(--dsn-spacing-md);
  flex-wrap: wrap;
}

.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__image img {
  max-width: 100%;
  border-radius: var(--dsn-radius-lg);
  box-shadow: var(--dsn-shadow-lg);
}

.service-card {
  background: var(--dsn-bg);
  border: 1px solid var(--dsn-border-light);
  border-radius: var(--dsn-radius-lg);
  padding: var(--dsn-spacing-2xl);
  transition: all var(--dsn-transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--dsn-gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dsn-transition);
}

.service-card:hover {
  box-shadow: var(--dsn-shadow-lg);
  transform: translateY(-6px);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--dsn-radius);
  background: rgba(26, 95, 180, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--dsn-spacing-lg);
  font-size: 1.5rem;
  color: var(--dsn-primary);
}

.service-card__title {
  font-size: var(--dsn-font-size-xl);
  font-weight: 700;
  margin-bottom: var(--dsn-spacing-sm);
  color: var(--dsn-text);
}

.service-card__desc {
  color: var(--dsn-text-light);
  font-size: var(--dsn-font-size-sm);
  line-height: 1.8;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--dsn-spacing-3xl);
  align-items: center;
}

.about-grid__image {
  border-radius: var(--dsn-radius-lg);
  overflow: hidden;
  box-shadow: var(--dsn-shadow-lg);
}

.about-grid__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-grid__content h2 {
  font-size: var(--dsn-font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--dsn-spacing-lg);
  line-height: 1.3;
}

.about-grid__content p {
  color: var(--dsn-text-light);
  margin-bottom: var(--dsn-spacing-lg);
  line-height: 1.8;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--dsn-spacing-xl);
}

.stat-item {
  text-align: center