* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary-color: #d97706;
  --primary-dark: #b45309;
  --primary-light: #f59e0b;
  --secondary-color: #ea580c;
  --text-dark: #1f2937;
  --text-gray: #6b7280;
  --text-light: #9ca3af;
  --bg-gray: #f9fafb;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
}
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px; line-height: 1.6; color: var(--text-dark);
  background-color: var(--bg-white); -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.top-bar { background-color: var(--primary-color); color: #fff; font-size: 14px; padding: 8px 0; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar-left { display: flex; gap: 20px; }
.top-bar-left span { display: flex; align-items: center; gap: 5px; }
.top-bar-right a { margin-left: 15px; opacity: 0.9; }
.top-bar-right a:hover { opacity: 1; color: #fef3c7; }
.navbar { background-color: var(--bg-white); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 1000; transition: var(--transition); }
.navbar .container { display: flex; justify-content: space-between; align-items: center; height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: bold; font-size: 20px;
}
.logo-text { font-size: 20px; font-weight: bold; color: var(--primary-color); }
.logo-text small { display: block; font-size: 12px; color: var(--text-gray); font-weight: normal; }
.nav-menu { display: flex; gap: 5px; }
.nav-menu > li { position: relative; }
.nav-menu > li > a { display: block; padding: 10px 18px; color: var(--text-dark); font-weight: 500; border-radius: 6px; }
.nav-menu > li > a:hover, .nav-menu > li.active > a { color: var(--primary-color); background-color: rgba(217,119,6,0.08); }
.nav-menu > li > a::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; background-color: var(--secondary-color); transition: var(--transition);
}
.nav-menu > li > a:hover::after, .nav-menu > li.active > a::after { width: 60%; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 24px; border-radius: 6px; font-weight: 500; font-size: 14px;
  cursor: pointer; border: none; transition: var(--transition);
}
.btn-primary { background-color: var(--primary-color); color: #fff; }
.btn-primary:hover { background-color: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background-color: transparent; color: var(--primary-color); border: 2px solid var(--primary-color); }
.btn-outline:hover { background-color: var(--primary-color); color: #fff; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 5px; }
.mobile-menu-btn span { width: 25px; height: 2px; background-color: var(--text-dark); transition: var(--transition); }
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: #fff; padding: 100px 0; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content h1 { font-size: 42px; font-weight: bold; line-height: 1.2; margin-bottom: 20px; }
.hero-content h1 span { color: #fef3c7; }
.hero-content p { font-size: 18px; line-height: 1.8; opacity: 0.9; margin-bottom: 30px; }
.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }
.hero-buttons .btn-primary { background-color: #fff; color: var(--primary-color); }
.hero-buttons .btn-primary:hover { background-color: #fef3c7; }
.hero-buttons .btn-outline { border-color: #fff; color: #fff; }
.hero-buttons .btn-outline:hover { background-color: #fff; color: var(--primary-color); }
.hero-image { position: relative; }
.hero-image-placeholder {
  width: 100%; aspect-ratio: 4/3; background: rgba(255,255,255,0.1);
  border-radius: 16px; backdrop-filter: blur(10px); display: flex;
  align-items: center; justify-content: center; font-size: 80px;
  border: 1px solid rgba(255,255,255,0.2);
}
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 50px; }
.hero-stat { text-align: center; }
.hero-stat .number { font-size: 36px; font-weight: bold; color: #fef3c7; }
.hero-stat .label { font-size: 14px; opacity: 0.8; margin-top: 5px; }
.section { padding: 80px 0; }
.section-gray { background-color: var(--bg-gray); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-subtitle { color: var(--primary-color); font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px; }
.section-title { font-size: 36px; font-weight: bold; color: var(--text-dark); margin-bottom: 15px; }
.section-desc { font-size: 16px; color: var(--text-gray); max-width: 600px; margin: 0 auto; }
.about-section { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image { position: relative; }
.about-image-placeholder {
  width: 100%; aspect-ratio: 4/3;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 80px;
}
.about-image-badge {
  position: absolute; bottom: -20px; right: -20px;
  background-color: var(--primary-color); color: #fff;
  padding: 20px 25px; border-radius: 12px; text-align: center; box-shadow: var(--shadow-lg);
}
.about-image-badge .number { font-size: 32px; font-weight: bold; }
.about-image-badge .text { font-size: 12px; }
.about-content h2 { font-size: 32px; font-weight: bold; margin-bottom: 20px; color: var(--text-dark); }
.about-content > p { color: var(--text-gray); margin-bottom: 25px; line-height: 1.8; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 30px; }
.about-feature { display: flex; gap: 12px; }
.about-feature-icon {
  width: 40px; height: 40px; background-color: rgba(217,119,6,0.1);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 20px;
}
.about-feature h4 { font-size: 16px; font-weight: 600; margin-bottom: 5px; }
.about-feature p { font-size: 14px; color: var(--text-gray); }
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.product-card {
  background-color: var(--bg-white); border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition); cursor: pointer;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.product-image {
  width: 100%; aspect-ratio: 4/3;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; position: relative; overflow: hidden;
}
.product-image::after {
  content: '查看详情'; position: absolute; inset: 0;
  background-color: rgba(217,119,6,0.85); color: #fff;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: var(--transition); font-size: 16px; font-weight: 500;
}
.product-card:hover .product-image::after { opacity: 1; }
.product-info { padding: 20px; }
.product-category { font-size: 12px; color: var(--primary-color); font-weight: 600; margin-bottom: 8px; }
.product-name { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text-dark); }
.product-desc { font-size: 14px; color: var(--text-gray); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.products-more { text-align: center; margin-top: 50px; }
.advantages-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.advantage-card {
  text-align: center; padding: 40px 25px; background-color: var(--bg-white);
  border-radius: 12px; transition: var(--transition); border: 1px solid var(--border-color);
}
.advantage-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.advantage-icon {
  width: 70px; height: 70px; margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 32px; color: #fff;
}
.advantage-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.advantage-card p { font-size: 14px; color: var(--text-gray); line-height: 1.7; }
.clients-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.client-logo {
  aspect-ratio: 2/1; background-color: var(--bg-white);
  border: 1px solid var(--border-color); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: var(--text-gray); font-weight: 500; transition: var(--transition);
}
.client-logo:hover { border-color: var(--primary-color); color: var(--primary-color); box-shadow: var(--shadow-md); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.news-card {
  background-color: var(--bg-white); border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.news-image {
  width: 100%; aspect-ratio: 16/9;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  display: flex; align-items: center; justify-content: center; font-size: 40px;
}
.news-content { padding: 25px; }
.news-meta { display: flex; gap: 15px; font-size: 13px; color: var(--text-light); margin-bottom: 12px; }
.news-category { color: var(--primary-color); font-weight: 500; }
.news-title { font-size: 18px; font-weight: 600; margin-bottom: 12px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-title:hover { color: var(--primary-color); }
.news-excerpt { font-size: 14px; color: var(--text-gray); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 15px; }
.news-more { font-size: 14px; color: var(--primary-color); font-weight: 500; }
.news-more:hover { color: var(--secondary-color); }
.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: #fff; padding: 60px 0;
}
.cta-section .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 30px; }
.cta-content h2 { font-size: 28px; margin-bottom: 10px; }
.cta-content p { opacity: 0.8; }
.cta-section .btn-primary { background-color: #fff; color: var(--primary-color); padding: 14px 32px; font-size: 16px; }
.cta-section .btn-primary:hover { background-color: #fef3c7; }
.footer { background-color: #1f2937; color: #9ca3af; padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
.footer-about .logo-text { color: #fff; font-size: 22px; margin-bottom: 15px; }
.footer-about p { font-size: 14px; line-height: 1.8; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px; background-color: rgba(255,255,255,0.1);
  border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 14px;
}
.footer-social a:hover { background-color: var(--primary-color); }
.footer-links li { margin-bottom: 12px; }
.footer-links li a { font-size: 14px; transition: var(--transition); }
.footer-links li a:hover { color: var(--primary-light); padding-left: 5px; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 15px; font-size: 14px; line-height: 1.7; }
.footer-contact li span:first-child { flex-shrink: 0; width: 20px; }
.footer-bottom { border-top: 1px solid #374151; padding: 20px 0; text-align: center; font-size: 13px; }
.footer-bottom p { margin-bottom: 5px; }
.footer-bottom a { color: var(--text-light); }
.footer-bottom a:hover { color: var(--primary-light); }
.page-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: #fff; padding: 60px 0; position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 { font-size: 36px; font-weight: bold; margin-bottom: 10px; }
.breadcrumb { display: flex; gap: 10px; font-size: 14px; opacity: 0.8; }
.breadcrumb a:hover { color: #fef3c7; }
.breadcrumb .separator { opacity: 0.5; }
.products-filter { display: flex; justify-content: center; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn {
  padding: 8px 20px; border: 1px solid var(--border-color); background-color: var(--bg-white);
  border-radius: 20px; cursor: pointer; font-size: 14px; transition: var(--transition);
}
.filter-btn.active, .filter-btn:hover { background-color: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.products-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.products-list .product-card { display: flex; flex-direction: column; }
.products-list .product-info { flex: 1; display: flex; flex-direction: column; }
.products-list .product-desc { flex: 1; }
.product-card-btn { margin-top: 15px; padding-top: 15px; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.product-card-btn a { font-size: 14px; color: var(--primary-color); font-weight: 500; }
.product-card-btn a:hover { color: var(--secondary-color); }
.pagination { display: flex; justify-content: center; gap: 5px; margin-top: 50px; }
.pagination a {
  min-width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-color); border-radius: 6px; font-size: 14px; transition: var(--transition);
}
.pagination a:hover, .pagination a.active { background-color: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.news-sidebar-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; }
.news-list { display: flex; flex-direction: column; gap: 30px; }
.news-item {
  display: grid; grid-template-columns: 240px 1fr; gap: 25px;
  background-color: var(--bg-white); border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
}
.news-item:hover { box-shadow: var(--shadow-lg); transform: translateX(5px); }
.news-item .news-image { aspect-ratio: 4/3; height: 100%; }
.news-item .news-content { padding: 25px 25px 25px 0; display: flex; flex-direction: column; }
.news-item .news-title { font-size: 20px; }
.news-item .news-excerpt { flex: 1; }
.sidebar-widget {
  background-color: var(--bg-white); border-radius: 12px; padding: 25px;
  margin-bottom: 25px; box-shadow: var(--shadow-sm);
}
.sidebar-widget h3 {
  font-size: 18px; font-weight: 600; margin-bottom: 20px; padding-bottom: 15px;
  border-bottom: 2px solid var(--border-color); position: relative;
}
.sidebar-widget h3::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 40px; height: 2px; background-color: var(--primary-color);
}
.categories-list li { margin-bottom: 12px; }
.categories-list li a { display: flex; justify-content: space-between; align-items: center; font-size: 14px; color: var(--text-gray); transition: var(--transition); }
.categories-list li a:hover { color: var(--primary-color); }
.categories-list li a .count { background-color: var(--bg-gray); padding: 2px 10px; border-radius: 10px; font-size: 12px; }
.hot-news li { display: flex; gap: 12px; margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px dashed var(--border-color); }
.hot-news li:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.hot-news-number {
  width: 24px; height: 24px; background-color: var(--bg-gray); border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: bold; color: var(--text-gray); flex-shrink: 0;
}
.hot-news li:nth-child(1) .hot-news-number,
.hot-news li:nth-child(2) .hot-news-number,
.hot-news li:nth-child(3) .hot-news-number { background-color: var(--primary-color); color: #fff; }
.hot-news-title { font-size: 14px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hot-news-title:hover { color: var(--primary-color); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; }
.contact-info h2 { font-size: 28px; font-weight: bold; margin-bottom: 20px; }
.contact-info > p { color: var(--text-gray); margin-bottom: 30px; line-height: 1.8; }
.contact-info-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 30px; }
.contact-info-item { display: flex; gap: 15px; }
.contact-info-icon {
  width: 50px; height: 50px; background-color: rgba(217,119,6,0.1);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
}
.contact-info-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 5px; }
.contact-info-item p { font-size: 14px; color: var(--text-gray); }
.contact-form { background-color: var(--bg-white); padding: 40px; border-radius: 12px; box-shadow: var(--shadow-md); }
.contact-form h3 { font-size: 24px; font-weight: bold; margin-bottom: 10px; }
.contact-form > p { color: var(--text-gray); margin-bottom: 25px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; color: var(--text-dark); }
.form-group label .required { color: #ef4444; }
.form-control {
  width: 100%; padding: 12px 16px; border: 1px solid var(--border-color);
  border-radius: 8px; font-size: 14px; font-family: inherit;
  transition: var(--transition); background-color: var(--bg-white);
}
.form-control:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(217,119,6,0.1); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form .btn-primary { width: 100%; padding: 14px; font-size: 16px; }
.about-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 80px; }
.about-hero-content h2 { font-size: 32px; font-weight: bold; margin-bottom: 20px; }
.about-hero-content p { color: var(--text-gray); line-height: 1.8; margin-bottom: 15px; }
.mission-vision { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-bottom: 80px; }
.mv-card { background-color: var(--bg-white); padding: 40px; border-radius: 12px; box-shadow: var(--shadow-sm); }
.mv-icon {
  width: 60px; height: 60px; background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: #fff; margin-bottom: 20px;
}
.mv-card h3 { font-size: 22px; font-weight: bold; margin-bottom: 15px; }
.mv-card p { color: var(--text-gray); line-height: 1.8; }
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background-color: var(--border-color); transform: translateX(-50%); }
.timeline-item { display: grid; grid-template-columns: 1fr 40px 1fr; gap: 20px; margin-bottom: 40px; position: relative; }
.timeline-dot {
  width: 16px; height: 16px; background-color: var(--primary-color);
  border-radius: 50%; margin: 8px auto 0; border: 3px solid var(--bg-white);
  box-shadow: 0 0 0 2px var(--primary-color); z-index: 1;
}
.timeline-content { background-color: var(--bg-white); padding: 25px; border-radius: 12px; box-shadow: var(--shadow-sm); }
.timeline-item:nth-child(odd) .timeline-content { grid-column: 1; text-align: right; }
.timeline-item:nth-child(even) .timeline-content { grid-column: 3; }
.timeline-year { font-size: 24px; font-weight: bold; color: var(--primary-color); margin-bottom: 8px; }
.timeline-content h4 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.timeline-content p { font-size: 14px; color: var(--text-gray); line-height: 1.7; }
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .clients-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .top-bar { display: none; }
  .nav-menu { display: none; }
  .mobile-menu-btn { display: flex; }
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-content h1 { font-size: 32px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { margin-top: 30px; }
  .about-section, .about-hero { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .products-list { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-sidebar-layout { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .news-item .news-content { padding: 20px; }
  .contact-grid { grid-template-columns: 1fr; }
  .mission-vision { grid-template-columns: 1fr; }
  .timeline::before { left: 20px; }
  .timeline-item { grid-template-columns: 40px 1fr; }
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content { grid-column: 2; text-align: left; }
  .timeline-dot { grid-column: 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .cta-section .container { flex-direction: column; text-align: center; }
  .section { padding: 50px 0; }
  .section-title { font-size: 28px; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-content h1 { font-size: 26px; }
  .about-features { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 15px; }
  .contact-form { padding: 25px; }
}
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }