/* ============================================
   沈阳塔诺日机械设备有限公司 - 企业官网样式
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-primary-light: #4A90D9;
  --color-primary: #2E7DD6;
  --color-primary-dark: #1B3A5C;
  --color-white: #FFFFFF;
  --color-bg-light: #F5F8FC;
  --color-bg-section: #EEF3F9;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-border: #E2E8F0;
  --color-green: #4CAF50;
  --color-silver: #B0BEC5;
  --color-warm-yellow: #FFB74D;
  --font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", "WenQuanYi Micro Hei", sans-serif;
  --max-width: 1500px;
  --header-height: 80px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(27, 58, 92, 0.06);
  --shadow-md: 0 4px 20px rgba(27, 58, 92, 0.1);
  --shadow-lg: 0 8px 40px rgba(27, 58, 92, 0.15);
  --shadow-hover: 0 12px 48px rgba(27, 58, 92, 0.2);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* --- Section --- */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-action {
  text-align: center;
  margin-top: 48px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-family);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}

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

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

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

.btn-outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 16px;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: var(--transition);
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(27, 58, 92, 0.08);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo img {
  height: 44px;
  width: auto;
  background: #fff;
  border-radius: 4px;
  padding: 2px 4px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
  transition: var(--transition);
}

.scrolled .logo-text {
  color: var(--color-primary-dark);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.scrolled .nav-link {
  color: var(--color-text);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.15);
}

.scrolled .nav-link:hover,
.scrolled .nav-link.active {
  color: var(--color-primary);
  background: rgba(46, 125, 214, 0.08);
}

.nav-dropdown {
  position: relative;
}

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

.arrow-down {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: var(--transition);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 200px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.dropdown-menu a:hover {
  background: var(--color-bg-light);
  color: var(--color-primary);
}

.header-cta {
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
}

.header-cta:hover {
  background: var(--color-white);
  color: var(--color-primary-dark);
}

.scrolled .header-cta {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.scrolled .header-cta:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

.scrolled .mobile-toggle span {
  background: var(--color-primary-dark);
}

/* ============================================
   HERO BANNER
   ============================================ */
.hero-banner {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 1000px;
  overflow: hidden;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 8s ease;
}

.hero-slide.active .hero-bg {
  transform: scale(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27, 58, 92, 0.85) 0%, rgba(46, 125, 214, 0.5) 50%, rgba(27, 58, 92, 0.7) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

.hero-title {
  font-size: 56px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeUp 0.8s 0.3s forwards;
}

.hero-slide.active .hero-title {
  opacity: 0;
  animation: heroFadeUp 0.8s 0.3s forwards;
}

.hero-subtitle {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  font-weight: 300;
  letter-spacing: 2px;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeUp 0.8s 0.5s forwards;
}

.hero-slide.active .hero-subtitle {
  opacity: 0;
  animation: heroFadeUp 0.8s 0.5s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeUp 0.8s 0.7s forwards;
}

.hero-slide.active .hero-actions {
  opacity: 0;
  animation: heroFadeUp 0.8s 0.7s forwards;
}

@keyframes heroFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-dots {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  background: var(--color-white);
  transform: scale(1.2);
}

.dot:hover {
  background: rgba(255, 255, 255, 0.7);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
  letter-spacing: 2px;
  animation: scrollBounce 2s infinite;
  z-index: 10;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   STATS SECTION
   ============================================ */
.section-stats {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  gap: 4px;
}

.stat-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}

.stat-unit {
  font-size: 18px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
}

.stat-label {
  width: 100%;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
  letter-spacing: 1px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.section-about {
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.about-image-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 200px;
  height: 200px;
  border: 3px solid var(--color-primary-light);
  border-radius: var(--radius-lg);
  opacity: 0.3;
  z-index: -1;
}

.about-content .section-tag {
  text-align: left;
}

.about-content .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.about-text {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.feature-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(74, 144, 217, 0.1) 0%, rgba(46, 125, 214, 0.15) 100%);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.about-feature h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}

.about-feature p {
  font-size: 14px;
  color: var(--color-text-light);
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.section-products {
  background: var(--color-bg-light);
}

.product-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.category-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-light);
}

.category-icon {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--color-bg-section);
}

.category-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.category-card:hover .category-icon img {
  transform: scale(1.05);
}

.category-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.category-card p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 1.6;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

.category-link:hover {
  gap: 10px;
  color: var(--color-primary-dark);
}

/* ============================================
   ADVANTAGES SECTION
   ============================================ */
.section-advantages {
  background: var(--color-white);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.advantage-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  transition: var(--transition);
  background: var(--color-bg-light);
  border: 1px solid transparent;
}

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

.advantage-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary-dark) 100%);
  border-radius: 50%;
  color: var(--color-white);
}

.advantage-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.advantage-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   PROJECTS / SERVICE AREAS
   ============================================ */
.section-projects {
  background: var(--color-bg-light);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 260px;
  cursor: pointer;
}

.project-large {
  grid-column: span 2;
  grid-row: span 2;
  height: 100%;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover img {
  transform: scale(1.08);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(27, 58, 92, 0.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  transition: var(--transition);
}

.project-card:hover .project-overlay {
  background: linear-gradient(to top, rgba(27, 58, 92, 0.9) 0%, rgba(27, 58, 92, 0.2) 70%);
}

.project-overlay h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 6px;
}

.project-overlay p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  opacity: 0;
  transform: translateY(8px);
  transition: var(--transition);
}

.project-card:hover .project-overlay p {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   NEWS SECTION
   ============================================ */
.section-news {
  background: var(--color-white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.news-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.news-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.news-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: 20px;
}

.news-body {
  padding: 24px;
}

.news-body time {
  font-size: 13px;
  color: var(--color-text-muted);
}

.news-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin: 10px 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-body h3 a:hover {
  color: var(--color-primary);
}

.news-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.news-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

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

/* ============================================
   CTA SECTION
   ============================================ */
.section-cta {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  text-align: center;
}

.cta-content h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.section-cta .btn-primary {
  background: var(--color-white);
  color: var(--color-primary-dark);
  border-color: var(--color-white);
}

.section-cta .btn-primary:hover {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: #0F2237;
  padding: 60px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand img {
  height: 40px;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
}

.footer-links h4,
.footer-products h4,
.footer-contact h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer-links a,
.footer-products a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  padding: 5px 0;
  transition: var(--transition);
}

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

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 12px;
}

.footer-contact svg {
  flex-shrink: 0;
  color: var(--color-primary-light);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ============================================
   ANIMATIONS (Scroll Reveal)
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   PAGE BANNER (Sub-pages)
   ============================================ */
.page-banner {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-banner-sm {
  height: 300px;
}

.page-banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.page-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27, 58, 92, 0.88) 0%, rgba(46, 125, 214, 0.6) 100%);
}

.page-banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.page-banner-content h1 {
  font-size: 42px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
  color: var(--color-white);
}

.breadcrumb span:last-child {
  color: var(--color-white);
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-intro {
  background: var(--color-white);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-intro-image {
  position: relative;
}

.about-intro-image img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.about-intro-accent {
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 180px;
  height: 180px;
  border: 3px solid var(--color-primary-light);
  border-radius: var(--radius-lg);
  opacity: 0.25;
  z-index: -1;
}

.about-intro-content .section-tag {
  text-align: left;
}

.about-intro-content .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.about-intro-content p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.section-culture {
  background: var(--color-bg-light);
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.culture-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.culture-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.culture-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(74, 144, 217, 0.12) 0%, rgba(46, 125, 214, 0.18) 100%);
  border-radius: 50%;
  color: var(--color-primary);
}

.culture-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.culture-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.section-advantages-inner {
  background: var(--color-white);
}

.advantages-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.advantage-detail-card {
  display: flex;
  gap: 20px;
  padding: 32px;
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.advantage-detail-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.advantage-detail-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-primary-light);
  opacity: 0.4;
  line-height: 1;
  flex-shrink: 0;
}

.advantage-detail-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.advantage-detail-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.section-service-areas {
  background: var(--color-bg-light);
}

.service-areas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-area-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 280px;
  cursor: pointer;
}

.service-area-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-area-card:hover img {
  transform: scale(1.08);
}

.service-area-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(27, 58, 92, 0.88) 0%, transparent 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
}

.service-area-overlay h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 8px;
}

.service-area-overlay p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.section-timeline {
  background: var(--color-white);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary-light), var(--color-primary-dark));
}

.timeline-item {
  position: relative;
  padding-bottom: 48px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -33px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.timeline-content {
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  border: 1px solid var(--color-border);
}

.timeline-year {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(46, 125, 214, 0.1);
  padding: 2px 12px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   PRODUCTS PAGE
   ============================================ */
.section-products-page {
  background: var(--color-bg-light);
}

.products-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}

.products-sidebar {
  position: sticky;
  top: 100px;
}

.products-sidebar h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary);
}

.category-list {
  margin-bottom: 32px;
}

.category-item {
  display: block;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  transition: var(--transition);
}

.category-item:hover {
  background: rgba(46, 125, 214, 0.08);
  color: var(--color-primary);
}

.category-item.active {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 500;
}

.sidebar-cta {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-lg);
  padding: 28px;
  color: var(--color-white);
}

.sidebar-cta h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

.sidebar-cta p {
  font-size: 14px;
  opacity: 0.85;
  line-height: 1.6;
  margin-bottom: 20px;
}

.sidebar-cta .btn-primary {
  background: var(--color-white);
  color: var(--color-primary-dark);
  border-color: var(--color-white);
  width: 100%;
  justify-content: center;
}

.sidebar-cta .btn-primary:hover {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.products-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.products-count {
  font-size: 14px;
  color: var(--color-text-light);
}

.products-count strong {
  color: var(--color-primary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  height: 220px;
  overflow: hidden;
  background: var(--color-bg-section);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.product-info {
  padding: 20px;
}

.product-info h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.product-model {
  font-size: 13px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.product-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-info .btn-outline-dark {
  padding: 8px 20px;
  font-size: 13px;
}

/* ============================================
   PRODUCT DETAIL PAGE
   ============================================ */
.section-product-detail {
  background: var(--color-white);
}

.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.gallery-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-section);
  margin-bottom: 16px;
}

.gallery-main img {
  width: 100%;
  height: 420px;
  object-fit: contain;
  background: var(--color-bg-section);
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.gallery-thumb {
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  background: var(--color-bg-section);
}

.gallery-thumb.active,
.gallery-thumb:hover {
  border-color: var(--color-primary);
}

.gallery-thumb img {
  width: 100%;
  height: 80px;
  object-fit: cover;
}

.detail-category {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(46, 125, 214, 0.1);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.detail-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  text-align: left;
}

.detail-model {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.detail-desc {
  margin-bottom: 24px;
}

.detail-desc p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.detail-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text);
}

.highlight-item svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

.detail-actions {
  display: flex;
  gap: 16px;
}

.detail-specs {
  margin-bottom: 60px;
}

.detail-specs h2,
.detail-description h2,
.detail-related h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.specs-table tr:nth-child(odd) {
  background: var(--color-bg-light);
}

.specs-table td {
  padding: 14px 20px;
  font-size: 15px;
  border-bottom: 1px solid var(--color-border);
}

.specs-table td:first-child {
  font-weight: 600;
  color: var(--color-primary-dark);
  width: 200px;
}

.specs-table td:last-child {
  color: var(--color-text-light);
}

.detail-description {
  margin-bottom: 60px;
}

.detail-description p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 16px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ============================================
   NEWS PAGE
   ============================================ */
.section-news-page {
  background: var(--color-bg-light);
}

.news-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.news-filter {
  padding: 8px 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-family);
}

.news-filter:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-light);
}

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

.news-list-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
  transition: var(--transition);
}

.news-list-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.news-list-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.news-list-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.news-list-body {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-list-body time {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.news-list-body h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  line-height: 1.5;
}

.news-list-body h2 a:hover {
  color: var(--color-primary);
}

.news-list-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   NEWS DETAIL PAGE
   ============================================ */
.section-news-detail {
  background: var(--color-white);
}

.news-detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}

.news-article-header {
  margin-bottom: 32px;
}

.news-article-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(46, 125, 214, 0.1);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.news-article-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.4;
  margin-bottom: 16px;
  text-align: left;
}

.news-article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.news-article-meta time {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.news-article-meta svg {
  color: var(--color-text-muted);
}

.news-article-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
}

.news-article-cover img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.news-article-body {
  margin-bottom: 32px;
}

.news-article-body p {
  font-size: 16px;
  color: var(--color-text);
  line-height: 2;
  margin-bottom: 20px;
  text-indent: 2em;
}

.news-article-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 32px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.news-article-tags a {
  padding: 4px 12px;
  background: var(--color-bg-light);
  border-radius: 20px;
  color: var(--color-text-light);
  font-size: 13px;
}

.news-article-tags a:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.news-article-nav {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.nav-prev,
.nav-next {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--color-text-light);
  transition: var(--transition);
  flex: 1;
}

.nav-next {
  justify-content: flex-end;
  text-align: right;
}

.nav-prev:hover,
.nav-next:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.news-sidebar {
  position: sticky;
  top: 100px;
}

.sidebar-widget {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
  border: 1px solid var(--color-border);
}

.sidebar-widget h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary);
}

.sidebar-categories a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  transition: var(--transition);
}

.sidebar-categories a:hover,
.sidebar-categories a.active {
  background: var(--color-primary);
  color: var(--color-white);
}

.sidebar-recommend a {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.sidebar-recommend a:last-child {
  border-bottom: none;
}

.sidebar-recommend a:hover h4 {
  color: var(--color-primary);
}

.sidebar-recommend img {
  width: 80px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.sidebar-recommend h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 4px;
  transition: var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-recommend time {
  font-size: 12px;
  color: var(--color-text-muted);
}

.sidebar-cta-widget {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  border: none;
  color: var(--color-white);
  text-align: center;
}

.sidebar-cta-widget h3 {
  color: var(--color-white);
  border-bottom-color: rgba(255, 255, 255, 0.3);
}

.sidebar-cta-widget p {
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 20px;
  line-height: 1.6;
}

.sidebar-cta-widget .btn-primary {
  background: var(--color-white);
  color: var(--color-primary-dark);
  border-color: var(--color-white);
  width: 100%;
  justify-content: center;
}

.sidebar-cta-widget .btn-primary:hover {
  background: transparent;
  color: var(--color-white);
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.section-contact-info {
  background: var(--color-white);
}

.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.contact-info-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

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

.contact-info-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary-dark) 100%);
  border-radius: 50%;
  color: var(--color-white);
}

.contact-info-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.contact-info-card p {
  font-size: 14px;
  color: var(--color-text-light);
}

.section-contact-form-area {
  background: var(--color-bg-light);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-form-wrapper h2,
.contact-map-wrapper h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.form-desc {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 28px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

.form-group label span {
  color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  font-size: 14px;
  font-family: var(--font-family);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 214, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-map-wrapper {
  display: flex;
  flex-direction: column;
}

.map-container {
  flex: 1;
  min-height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 20px;
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
}

.map-info {
  display: flex;
  gap: 24px;
  margin-top: 20px;
}

.map-info p {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-light);
}

.map-info svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

.map-static {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-section) 100%);
}

.map-placeholder {
  text-align: center;
  color: var(--color-text-light);
}

.map-placeholder svg {
  color: var(--color-primary);
  margin-bottom: 16px;
}

.map-placeholder-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.map-placeholder-addr {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ============================================
   SUB-PAGE RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
  .products-layout {
    grid-template-columns: 240px 1fr;
  }
  .culture-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-areas-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .page-banner { height: 300px; }
  .page-banner-sm { height: 240px; }
  .page-banner-content h1 { font-size: 32px; }

  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-intro-image img { height: 300px; }

  .products-layout {
    grid-template-columns: 1fr;
  }
  .products-sidebar {
    position: static;
  }
  .category-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .category-item {
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: 30px;
    margin-bottom: 0;
  }
  .category-item.active {
    border-color: var(--color-primary);
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-list-card {
    grid-template-columns: 1fr;
  }
  .news-list-image {
    min-height: 200px;
    height: 200px;
  }

  .news-detail-layout {
    grid-template-columns: 1fr;
  }
  .news-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .sidebar-cta-widget {
    grid-column: span 2;
  }

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

  .advantages-detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page-banner { height: 260px; }
  .page-banner-content h1 { font-size: 28px; }

  .culture-grid {
    grid-template-columns: 1fr;
  }
  .service-areas-grid {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }
  .detail-title { font-size: 24px; }
  .detail-highlights { grid-template-columns: 1fr; }
  .detail-actions { flex-direction: column; }

  .news-article-title { font-size: 24px; }
  .news-article-nav { flex-direction: column; }

  .news-sidebar {
    grid-template-columns: 1fr;
  }
  .sidebar-cta-widget {
    grid-column: span 1;
  }

  .contact-cards-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .map-info {
    flex-direction: column;
    gap: 12px;
  }

  .news-article-body p {
    text-indent: 0;
  }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
  .product-categories {
    grid-template-columns: repeat(3, 1fr);
  }
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-large {
    grid-column: span 2;
    grid-row: span 1;
    height: 320px;
  }
}

@media (max-width: 992px) {
  .container { padding: 0 24px; }
  .header-inner { padding: 0 24px; }
  .section { padding: 72px 0; }
  .section-title { font-size: 30px; }
  .hero-title { font-size: 40px; }
  .hero-subtitle { font-size: 17px; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-image img { height: 320px; }

  .product-categories {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .main-nav, .header-cta {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }

  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    padding: 24px;
    gap: 4px;
    z-index: 1001;
    overflow-y: auto;
  }

  .main-nav.open .nav-link {
    color: var(--color-text) !important;
    padding: 14px 16px;
    font-size: 16px;
  }

  .main-nav.open .nav-link:hover,
  .main-nav.open .nav-link.active {
    color: var(--color-primary) !important;
    background: var(--color-bg-light);
  }

  .main-nav.open .dropdown-menu {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-banner { min-height: 500px; }
  .hero-title { font-size: 32px; }
  .hero-actions { flex-direction: column; gap: 12px; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .product-categories {
    grid-template-columns: 1fr;
  }

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

  .projects-grid {
    grid-template-columns: 1fr;
  }
  .project-large {
    grid-column: span 1;
    height: 260px;
  }
  .project-card { height: 220px; }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-number { font-size: 36px; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-contact {
    grid-column: 1 / -1;
  }

  .cta-content h2 { font-size: 26px; }
  .cta-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 26px; }
  .hero-title { font-size: 26px; }
  .stat-number { font-size: 30px; }
}