/* ==================== CSS Variables ==================== */
:root {
  --primary: #0055B8;
  --primary-dark: #003A80;
  --primary-light: #E8F1FC;
  --accent: #00A3E0;
  --accent-light: #E0F5FF;
  --dark: #1A1A2E;
  --dark-secondary: #2D2D44;
  --text-primary: #222222;
  --text-secondary: #555555;
  --text-light: #888888;
  --white: #FFFFFF;
  --off-white: #F5F7FA;
  --border: #E0E6F0;
  --success: #00AA55;
  --shadow-sm: 0 2px 8px rgba(0, 85, 184, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 85, 184, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 85, 184, 0.16);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
  --font-heading: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

/* ==================== Typography ==================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--dark);
}

.section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 12px;
  color: var(--dark);
}

.section-title span {
  color: var(--primary);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 48px;
  letter-spacing: 1px;
}

/* ==================== Buttons ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

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

/* ==================== Top Bar ==================== */
.top-bar {
  background: var(--dark);
  color: var(--white);
  font-size: 0.82rem;
  padding: 6px 0;
  letter-spacing: 0.5px;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-left a {
  color: var(--white);
  opacity: 0.85;
}

.top-bar-left a:hover {
  opacity: 1;
  color: var(--accent);
}

.top-bar-right {
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ==================== Header ==================== */
.header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

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

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: 1px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name-cn {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.logo-name-en {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition);
  position: relative;
}

.nav a:hover,
.nav a.active {
  color: var(--primary);
  background: var(--primary-light);
}

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ==================== Mobile Nav ==================== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--white);
  box-shadow: -4px 0 20px rgba(0,0,0,0.15);
  z-index: 2000;
  padding: 24px;
  transition: right 0.3s ease;
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.mobile-nav-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--off-white);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav a {
  display: block;
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--primary);
  padding-left: 8px;
}

.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1999;
}

.mobile-nav-overlay.open {
  display: block;
}

/* ==================== Hero / Banner ==================== */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 50%, var(--primary) 100%);
  color: var(--white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,163,224,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,85,184,0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  background: rgba(0,163,224,0.2);
  border: 1px solid rgba(0,163,224,0.4);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.hero-title-en {
  font-size: 3.2rem;
  background: linear-gradient(90deg, #FFFFFF, #A8D4FF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
  letter-spacing: 2px;
  font-weight: 800;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  line-height: 1.8;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

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

.hero-stat-number {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==================== Sections ==================== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--off-white);
}

/* ==================== About Preview ==================== */
.about-preview {
  padding: 80px 0;
}

.about-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-preview-image {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-lg);
  padding: 40px;
  color: white;
  position: relative;
  overflow: hidden;
}

.about-preview-image::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
}

.about-preview-icon {
  font-size: 4rem;
  margin-bottom: 20px;
}

.about-preview-image h3 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.about-preview-image p {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  line-height: 1.7;
}

.about-preview-content {
  max-width: 500px;
}

.about-preview-content h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.about-preview-content h2 span {
  color: var(--primary);
}

.about-preview-content .highlight {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

/* ==================== Business Cards ==================== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.business-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all var(--transition);
  cursor: default;
}

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

.business-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.6rem;
}

.business-card h4 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--dark);
}

.business-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==================== Products Grid ==================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.product-image {
  height: 180px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.product-info {
  padding: 20px;
}

.product-info h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.product-info p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.product-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.72rem;
  padding: 2px 10px;
  border-radius: 10px;
  margin-bottom: 8px;
  font-weight: 600;
}

/* ==================== Quality Section ==================== */
.quality-section {
  background: var(--dark);
  color: var(--white);
  padding: 80px 0;
}

.quality-section .section-title {
  color: var(--white);
}

.quality-section .section-subtitle {
  color: rgba(255,255,255,0.6);
}

.quality-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
  margin-top: 48px;
}

.quality-stat {
  padding: 32px 20px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.quality-stat:hover {
  border-color: var(--accent);
  background: rgba(0,163,224,0.08);
}

.quality-stat-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}

.quality-stat-label {
  font-size: 1rem;
  margin-top: 8px;
  color: rgba(255,255,255,0.7);
}

.quality-stat-sub {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  margin-top: 4px;
}

/* ==================== Solutions Grid ==================== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.solution-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

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

.solution-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  margin-bottom: 16px;
}

.solution-card h4 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.solution-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.solution-tag {
  background: var(--off-white);
  color: var(--text-secondary);
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 10px;
}

/* ==================== Footer ==================== */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo-name-en {
  color: var(--accent);
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  margin-top: 12px;
  line-height: 1.7;
}

.footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  padding: 5px 0;
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
}

.footer-contact-icon {
  color: var(--accent);
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ==================== Page Banner (Inner Pages) ==================== */
.page-banner {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 60px 0;
  text-align: center;
}

.page-banner h1 {
  color: var(--white);
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.page-banner p {
  color: rgba(255,255,255,0.6);
  font-size: 1rem;
}

/* ==================== Tabs ==================== */
.tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  border: 2px solid var(--border);
  background: var(--white);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition);
}

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

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

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ==================== Product Detail Cards ==================== */
.product-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-detail-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.product-detail-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.product-detail-header {
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  padding: 24px;
  text-align: center;
}

.product-detail-header h4 {
  font-size: 1rem;
  color: var(--primary);
  margin-top: 12px;
}

.product-detail-body {
  padding: 16px 20px;
}

.product-detail-body p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.product-detail-meta {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.product-meta-tag {
  background: var(--off-white);
  color: var(--text-light);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 6px;
}

/* ==================== Solution Detail ==================== */
.solution-detail {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 32px;
  transition: all var(--transition);
}

.solution-detail:hover {
  box-shadow: var(--shadow-md);
}

.solution-detail-header {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  padding: 24px 28px;
}

.solution-detail-header h3 {
  color: white;
  font-size: 1.2rem;
  margin-bottom: 6px;
}

.solution-detail-header p {
  color: rgba(255,255,255,0.75);
  font-size: 0.85rem;
}

.solution-detail-body {
  padding: 28px;
}

.solution-detail-body h4 {
  font-size: 0.95rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.solution-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
}

.solution-table tr {
  border-bottom: 1px solid var(--border);
}

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

.solution-table td {
  padding: 8px 0;
  font-size: 0.85rem;
  vertical-align: top;
}

.solution-table td:first-child {
  font-weight: 600;
  color: var(--dark);
  width: 120px;
  flex-shrink: 0;
}

.solution-table td:last-child {
  color: var(--text-secondary);
}

.solution-advantages {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.solution-advantage {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: 20px;
  font-weight: 500;
}

/* ==================== About Page ==================== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 60px;
}

.about-text h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-image-block {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-lg);
  padding: 32px;
  color: white;
}

.about-image-block h3 {
  color: white;
  margin-bottom: 16px;
}

.about-image-block p {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  line-height: 1.8;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.quality-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.quality-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.quality-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.quality-card h4 {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.quality-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.certificate-section {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  margin-top: 48px;
}

.certificate-section h3 {
  margin-bottom: 24px;
  font-size: 1.3rem;
}

.cert-grid {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.cert-item {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-sm);
}

.cert-item-icon {
  font-size: 1.8rem;
}

/* ==================== News Cards ==================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.news-card-header {
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.news-date {
  text-align: center;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  min-width: 60px;
}

.news-date-day {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.news-date-month {
  font-size: 0.7rem;
  color: var(--text-light);
  text-transform: uppercase;
}

.news-category {
  background: var(--primary);
  color: white;
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 10px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 6px;
}

.news-card-body {
  padding: 20px;
}

.news-card-body h4 {
  font-size: 1rem;
  margin-bottom: 10px;
  line-height: 1.4;
}

.news-card-body p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.news-link {
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
}

.news-link:hover {
  text-decoration: underline;
}

/* ==================== Contact Page ==================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 48px;
}

.contact-info-card {
  background: var(--dark);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-info-card h3 {
  color: white;
  margin-bottom: 24px;
  font-size: 1.3rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(0,163,224,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item-text strong {
  display: block;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contact-item-text span {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 36px;
}

.contact-form h3 {
  font-size: 1.3rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font-body);
  transition: all var(--transition);
  background: var(--white);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,85,184,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ==================== Team Section ==================== */
.team-section {
  margin-top: 48px;
}

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

.team-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: start;
  transition: all var(--transition);
}

.team-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.team-avatar {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.team-info h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.team-title {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.team-info p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
  .business-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-preview-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .hero {
    padding: 60px 0;
    min-height: auto;
  }

  .hero-title,
  .hero-title-en {
    font-size: 2rem;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-stat-number {
    font-size: 1.8rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .business-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .products-grid,
  .solutions-grid,
  .product-list-grid {
    grid-template-columns: 1fr 1fr;
  }

  .quality-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .quality-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .business-grid {
    grid-template-columns: 1fr;
  }

  .products-grid,
  .solutions-grid,
  .product-list-grid {
    grid-template-columns: 1fr;
  }

  .quality-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

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

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

/* ==================== Image Styles ==================== */

/* Hero background image */
.hero-image-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.hero-image-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.hero {
  position: relative;
}

.hero .container {
  position: relative;
  z-index: 1;
}

/* Page banner background image */
.page-banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.page-banner-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}

.page-banner {
  position: relative;
  overflow: hidden;
}

.page-banner .container {
  position: relative;
  z-index: 1;
}

/* Business card images */
.business-image {
  width: 100%;
  height: 160px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 16px;
}

.business-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.business-card:hover .business-image img {
  transform: scale(1.05);
}

/* Product card images */
.product-image {
  height: 200px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

/* Solution detail images */
.solution-detail-image {
  width: 100%;
  height: 280px;
  overflow: hidden;
}

.solution-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* News card images */
.news-card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.news-card:hover .news-card-image img {
  transform: scale(1.05);
}

/* About preview image */
.about-preview-image img {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

/* Team avatar images */
.team-avatar {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Product detail header images */
.product-detail-header img {
  border-radius: var(--radius-sm);
  background: white;
  padding: 8px;
}

/* ==================== Utility ==================== */
.text-center { text-align: center; }
.mt-4 { margin-top: 4px; }
.mb-0 { margin-bottom: 0; }