:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --primary-light: #ff6b7a;
  --secondary: #457b9d;
  --secondary-dark: #1d3557;
  --accent: #f4a261;
  --bg: #fefefe;
  --bg-alt: #f7f8fc;
  --bg-card: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #8888a0;
  --border: #e8e8f0;
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 4px 20px rgba(26, 26, 46, 0.08);
  --shadow-lg: 0 12px 40px rgba(26, 26, 46, 0.12);
  --shadow-glow: 0 8px 30px rgba(230, 57, 70, 0.25);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-blur: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --header-h: 72px;
}

[data-theme="dark"] {
  --primary: #ff6b7a;
  --primary-dark: #e63946;
  --primary-light: #ff8a95;
  --secondary: #6ba3c7;
  --secondary-dark: #a8d0e6;
  --accent: #f4a261;
  --bg: #0f0f1a;
  --bg-alt: #16162a;
  --bg-card: #1c1c30;
  --text: #eaeaf5;
  --text-secondary: #b0b0c8;
  --text-muted: #7878a0;
  --border: #2a2a45;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 8px 30px rgba(255, 107, 122, 0.3);
  --glass-bg: rgba(28, 28, 48, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.6rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.1rem, 2.2vw, 1.4rem); margin-top: 1.75rem; margin-bottom: 0.6rem; }
h4 { font-size: clamp(1rem, 1.8vw, 1.15rem); margin-top: 1.25rem; margin-bottom: 0.5rem; color: var(--text-secondary); }

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

strong {
  color: var(--text);
  font-weight: 600;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  z-index: 10000;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 16px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo-area a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.logo-area svg {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  transition: transform var(--transition);
}

.logo-area a:hover svg {
  transform: rotate(-8deg) scale(1.05);
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.02em;
}

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

.main-nav a {
  display: block;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  transition: color var(--transition), background var(--transition);
}

.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width var(--transition);
}

.main-nav a:hover {
  color: var(--primary);
  background: rgba(230, 57, 70, 0.06);
}

.main-nav a:hover::after {
  width: 60%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-form {
  display: flex;
  align-items: center;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 4px 4px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.12);
}

.search-form input {
  border: none;
  background: transparent;
  outline: none;
  font-family: inherit;
  font-size: 0.88rem;
  color: var(--text);
  width: 160px;
  padding: 6px 0;
}

.search-form input::placeholder {
  color: var(--text-muted);
}

.search-form button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

.search-form button:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-glow);
}

.theme-toggle, .menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.theme-toggle:hover, .menu-toggle:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: rotate(15deg);
}

.menu-toggle {
  display: none;
}

.breadcrumb {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px 0;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
}

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

main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 60px;
}

.hero {
  margin: 24px 0 40px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, #1d3557 0%, #457b9d 40%, #e63946 100%);
  box-shadow: var(--shadow-lg);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.15), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(244, 162, 97, 0.25), transparent 50%);
  pointer-events: none;
}

.hero-slider {
  position: relative;
  min-height: 380px;
  padding: 60px 48px 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.slide {
  display: none;
  animation: fadeSlideIn 0.6s ease forwards;
}

.slide.active {
  display: block;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide h1, .slide h2 {
  color: #ffffff;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
  max-width: 800px;
}

.slide h1 {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 800;
}

.hero-desc, .slide p {
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  max-width: 720px;
  margin-bottom: 28px;
  line-height: 1.8;
}

.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: linear-gradient(135deg, #ffffff, #f0f0ff);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.3);
  color: var(--primary-dark);
  background: #ffffff;
}

.slider-controls {
  position: absolute;
  bottom: 24px;
  left: 48px;
  right: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.slider-prev, .slider-next {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
}

.slider-prev:hover, .slider-next:hover {
  background: rgba(255, 255, 255, 0.28);
  transform: scale(1.1);
}

.slider-dots {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all var(--transition);
}

.dot.active {
  width: 28px;
  border-radius: 999px;
  background: #ffffff;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}

.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

.stat-item:hover::before {
  transform: scaleX(1);
}

.stat-number {
  display: block;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.section {
  margin-bottom: 56px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--secondary));
  opacity: 0.8;
}

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

.section > h2 {
  position: relative;
  padding-bottom: 14px;
  margin-bottom: 24px;
}

.section > h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 56px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.section > p {
  font-size: 1.02rem;
  max-width: 900px;
}

.section ul:not([class]) {
  list-style: none;
  padding-left: 0;
}

.section ul:not([class]) li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.section ul:not([class]) li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.section ol {
  counter-reset: step;
  padding-left: 0;
}

.section ol li {
  position: relative;
  padding-left: 48px;
  margin-bottom: 16px;
  color: var(--text-secondary);
  counter-increment: step;
}

.section ol li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.section ol li strong {
  color: var(--primary);
}

#about h3, #products h3, #products h4, #advantages h3, #solutions h3, #solutions h4, #applications h3, #cases h3, #news h3, #articles h3, #howto h3, #contact h3 {
  position: relative;
  padding-left: 16px;
}

#about h3::before, #products h3::before, #advantages h3::before, #solutions h3::before, #applications h3::before, #cases h3::before, #news h3::before, #articles h3::before, #howto h3::before, #contact h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

#products h4, #solutions h4 {
  padding-left: 12px;
  border-left: 3px solid var(--border);
}

.news-item, .article-item {
  padding: 24px;
  margin-bottom: 20px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.news-item:hover, .article-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.news-item h3, .article-item h3 {
  margin-top: 0;
  padding-left: 0;
}

.news-item h3::before, .article-item h3::before {
  display: none;
}

.article-item h3 a {
  color: var(--text);
  transition: color var(--transition);
}

.article-item h3 a:hover {
  color: var(--primary);
}

.news-item time, .article-item time {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  padding: 3px 12px;
  background: var(--bg-card);
  border-radius: 999px;
  border: 1px solid var(--border);
}

.article-item p {
  margin-bottom: 12px;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  transition: gap var(--transition), color var(--transition);
}

.read-more::after {
  content: "\2192";
  transition: transform var(--transition);
}

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

blockquote {
  position: relative;
  padding: 24px 28px 24px 56px;
  margin-bottom: 20px;
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
  transition: transform var(--transition), box-shadow var(--transition);
}

blockquote::before {
  content: "\201C";
  position: absolute;
  left: 18px;
  top: 10px;
  font-size: 3rem;
  line-height: 1;
  color: var(--primary);
  opacity: 0.35;
  font-family: Georgia, serif;
}

blockquote:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

blockquote p {
  margin-bottom: 0;
  font-style: italic;
  color: var(--text-secondary);
}

#faq details {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

#faq details[open] {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

#faq summary {
  padding: 18px 24px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
  transition: background var(--transition), color var(--transition);
}

#faq summary::-webkit-details-marker {
  display: none;
}

#faq summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--primary);
  transition: transform var(--transition);
}

#faq details[open] summary::after {
  content: "\2212";
  transform: translateY(-50%) rotate(180deg);
}

#faq summary:hover {
  background: rgba(230, 57, 70, 0.05);
  color: var(--primary);
}

#faq details > p {
  padding: 0 24px 20px;
  margin-bottom: 0;
  animation: fadeSlideIn 0.3s ease;
}

address {
  font-style: normal;
}

address ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

address ul li {
  padding: 14px 18px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: transform var(--transition), border-color var(--transition);
}

address ul li:hover {
  transform: translateY(-3px);
  border-color: var(--primary-light);
}

address ul li a {
  font-weight: 500;
}

#sitemap nav ul, #links ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

#sitemap nav a, #links a {
  display: block;
  padding: 12px 18px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.92rem;
  transition: all var(--transition);
}

#sitemap nav a:hover, #links a:hover {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.site-footer {
  background: linear-gradient(160deg, var(--secondary-dark), #1a1a2e);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 40px;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--secondary));
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 40px;
}

.footer-about h2 {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 14px;
  background: linear-gradient(135deg, #fff, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-about p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
  line-height: 1.8;
}

.footer-links h3, .footer-contact h3 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 16px;
  margin-top: 0;
  padding-left: 0;
}

.footer-links h3::before, .footer-contact h3::before {
  display: none;
}

.footer-links ul li, .footer-contact ul li {
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  transition: transform var(--transition), color var(--transition);
}

.footer-links ul li:hover, .footer-contact ul li:hover {
  transform: translateX(4px);
  color: #fff;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  position: relative;
}

.footer-links a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

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

.footer-links a:hover::after {
  width: 100%;
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.6);
}

.footer-meta a {
  color: rgba(255, 255, 255, 0.7);
}

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

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 999;
}

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

.back-to-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 12px 36px rgba(230, 57, 70, 0.4);
}

.legal-section {
  max-width: 1280px;
  margin: 0 auto 24px;
  padding: 32px 40px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.legal-section h2 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.legal-section p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

@media (max-width: 1024px) {
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    padding: 16px 24px;
    animation: fadeSlideIn 0.3s ease;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .main-nav a {
    padding: 12px 16px;
    font-size: 1rem;
  }

  .main-nav a::after {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .search-form input {
    width: 120px;
  }

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

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
  }

  .header-inner {
    padding: 0 16px;
    gap: 10px;
  }

  .logo-text {
    font-size: 1.15rem;
  }

  .search-form {
    display: none;
  }

  .breadcrumb {
    padding: 12px 16px 0;
  }

  main {
    padding: 0 16px 40px;
  }

  .hero {
    margin: 16px 0 28px;
    border-radius: var(--radius-lg);
  }

  .hero-slider {
    min-height: 320px;
    padding: 40px 24px 72px;
  }

  .slider-controls {
    left: 24px;
    right: 24px;
  }

  .slider-prev, .slider-next {
    width: 36px;
    height: 36px;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 36px;
  }

  .stat-item {
    padding: 20px 14px;
    border-radius: var(--radius-md);
  }

  .section {
    padding: 24px 20px;
    margin-bottom: 36px;
    border-radius: var(--radius-lg);
  }

  .section ol li {
    padding-left: 42px;
  }

  .section ol li::before {
    width: 28px;
    height: 28px;
    font-size: 0.78rem;
  }

  .news-item, .article-item {
    padding: 18px;
  }

  blockquote {
    padding: 20px 20px 20px 48px;
  }

  blockquote::before {
    left: 14px;
    font-size: 2.4rem;
  }

  #faq summary {
    padding: 16px 44px 16px 18px;
    font-size: 0.95rem;
  }

  #faq summary::after {
    right: 18px;
  }

  #faq details > p {
    padding: 0 18px 16px;
  }

  address ul {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    padding: 40px 20px 28px;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    padding: 20px 16px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }

  .legal-section {
    padding: 24px 20px;
    margin: 0 16px 16px;
  }
}

@media (max-width: 480px) {
  .stats {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.78rem;
  }

  .section {
    padding: 20px 16px;
  }

  .hero-slider {
    padding: 32px 18px 64px;
  }

  .btn-primary {
    padding: 12px 28px;
    font-size: 0.92rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header, .back-to-top, .slider-controls, .theme-toggle, .menu-toggle, .search-form {
    display: none;
  }

  .section {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }

  body {
    background: #fff;
    color: #000;
  }
}