/* mirror_flow:p6_ai_generated */
/* ========== CSS Variables ========== */
:root {
  --color-primary: #1e4d7b;
  --color-primary-light: #2c7be5;
  --color-primary-dark: #0f2e4a;
  --color-accent: #00a8e8;
  --color-accent-hover: #0086c1;
  --color-bg: #f5f6f8;
  --color-bg-white: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-footer: #1a1f2b;
  --color-text: #2d3436;
  --color-text-light: #636e72;
  --color-text-muted: #a0a8b0;
  --color-text-white: #f0f0f0;
  --color-border: #e0e4e8;
  --color-border-light: #eef1f5;
  --color-shadow: rgba(0, 0, 0, 0.06);
  --color-shadow-md: rgba(0, 0, 0, 0.1);
  --color-success: #27ae60;
  --color-warning: #f39c12;
  --color-danger: #e74c3c;
  --font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 15px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 22px;
  --font-size-2xl: 28px;
  --font-size-3xl: 36px;
  --line-height: 1.7;
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;
  --transition-fast: 0.15s ease;
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
  --max-width: 1240px;
  --header-height: 68px;
  --header-height-mobile: 56px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --spacing-3xl: 80px;
}

/* ========== Reset & Base ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text);
}
h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

/* ========== Container ========== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ========== Header / Navbar ========== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: 0 1px 4px var(--color-shadow);
  height: var(--header-height);
  transition: box-shadow var(--transition);
}
.header.scrolled {
  box-shadow: 0 2px 12px var(--color-shadow-md);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header .logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}
.header .logo img {
  height: 38px;
  width: auto;
}

.header .nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.header .nav-list li a {
  display: block;
  padding: var(--spacing-sm) var(--spacing);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.header .nav-list li a:hover,
.header .nav-list li.active > a {
  color: var(--color-primary-light);
  background: rgba(44, 123, 229, 0.06);
}

.header .nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-sm);
  background: none;
  border: none;
}
.header .nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* ========== Hero Section ========== */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-primary-light) 100%);
  color: var(--color-text-white);
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
  border-radius: 50%;
}
.hero .container {
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--spacing);
}
.hero p {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  max-width: 680px;
  margin: 0 auto var(--spacing-md);
}
.hero .btn-primary {
  background: var(--color-accent);
  color: #fff;
  padding: 12px 32px;
  font-size: var(--font-size-md);
  font-weight: 600;
  border-radius: var(--radius);
  display: inline-block;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}
.hero .btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 168, 232, 0.35);
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 10px 24px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary-light);
  color: #fff;
  border-color: var(--color-primary-light);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--color-primary-light);
  border-color: var(--color-primary-light);
}
.btn-outline:hover {
  background: var(--color-primary-light);
  color: #fff;
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-border-light);
}
.btn-sm {
  padding: 6px 16px;
  font-size: var(--font-size-xs);
}
.btn-lg {
  padding: 14px 36px;
  font-size: var(--font-size-md);
}

/* ========== Section Common ========== */
.section {
  padding: var(--spacing-2xl) 0;
}
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}
.section-header h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  position: relative;
}
.section-header h2::after {
  content: "";
  display: block;
  width: 50px;
  height: 3px;
  background: var(--color-primary-light);
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}
.section-header p {
  color: var(--color-text-light);
  font-size: var(--font-size-md);
  max-width: 560px;
  margin: 0 auto;
}
.section-bg-white {
  background: var(--color-bg-white);
}
.section-bg-light {
  background: var(--color-bg);
}

/* ========== Card Grid ========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: all var(--transition);
  box-shadow: 0 1px 3px var(--color-shadow);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px var(--color-shadow-md);
  border-color: transparent;
}
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: rgba(44, 123, 229, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing);
  font-size: 22px;
  color: var(--color-primary-light);
}
.card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}
.card p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* ========== Services / Features List ========== */
.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}
.service-item {
  display: flex;
  gap: var(--spacing);
  padding: var(--spacing);
  border-radius: var(--radius);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  transition: var(--transition-fast);
}
.service-item:hover {
  border-color: var(--color-primary-light);
}
.service-item .service-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.service-item h4 {
  font-size: var(--font-size-md);
  margin-bottom: 2px;
}
.service-item p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ========== About Section ========== */
.about-flex {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}
.about-flex > div {
  flex: 1;
}
.about-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px var(--color-shadow-md);
}
.about-text h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing);
}
.about-text p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing);
}

/* ========== News / Blog List ========== */
.news-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}
.news-item {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition);
  box-shadow: 0 1px 3px var(--color-shadow);
}
.news-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 24px var(--color-shadow-md);
}
.news-item .news-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-border-light);
}
.news-item .news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.news-item:hover .news-img img {
  transform: scale(1.05);
}
.news-item .news-content {
  padding: var(--spacing);
}
.news-item .news-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}
.news-item h4 {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-sm);
}
.news-item h4 a {
  color: var(--color-text);
}
.news-item h4 a:hover {
  color: var(--color-primary-light);
}
.news-item p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========== Contact Section ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
}
.contact-info h3 {
  margin-bottom: var(--spacing);
}
.contact-info-item {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing);
  color: var(--color-text-light);
}
.contact-info-item .contact-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(44, 123, 229, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
  font-size: 15px;
}
.contact-form {
  background: var(--color-bg-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  box-shadow: 0 2px 8px var(--color-shadow);
}
.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing);
  margin-bottom: var(--spacing);
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 11px 14px;
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border var(--transition-fast);
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(44, 123, 229, 0.08);
}
.contact-form textarea {