:root {
  --primary: #0a1a2f;
  --primary-light: #142b44;
  --accent: #3b8fd9;
  --accent-dark: #1f6bb0;
  --accent-glow: rgba(59, 143, 217, 0.45);
  --text-light: #e8f0f8;
  --text-muted: #9bb5cc;
  --bg-dark: #060f1a;
  --bg-card: #0e1e30;
  --bg-glass: rgba(14, 30, 48, 0.65);
  --border: #1e3a55;
  --border-glass: rgba(59, 143, 217, 0.18);
  --gradient-hero: linear-gradient(135deg, #0a1a2f 0%, #0d2b4a 45%, #123a5e 100%);
  --gradient-accent: linear-gradient(135deg, #3b8fd9 0%, #1f6bb0 100%);
  --gradient-text: linear-gradient(120deg, #6fb8f0 0%, #3b8fd9 50%, #8fd0ff 100%);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-pill: 30px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 4px 24px rgba(59, 143, 217, 0.35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  --nav-height: 64px;
}

body.light-mode {
  --primary: #eef5fc;
  --primary-light: #ffffff;
  --accent: #1a6bb0;
  --accent-dark: #0d4e8a;
  --accent-glow: rgba(26, 107, 176, 0.3);
  --text-light: #1a2a3a;
  --text-muted: #4a627a;
  --bg-dark: #f5f9ff;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --border: #d0ddee;
  --border-glass: rgba(26, 107, 176, 0.15);
  --gradient-hero: linear-gradient(135deg, #dceaf8 0%, #c3ddf5 45%, #a8cdec 100%);
  --gradient-accent: linear-gradient(135deg, #1a6bb0 0%, #0d4e8a 100%);
  --gradient-text: linear-gradient(120deg, #1a6bb0 0%, #0d4e8a 50%, #3b8fd9 100%);
  --shadow-sm: 0 2px 8px rgba(26, 58, 92, 0.08);
  --shadow-md: 0 8px 24px rgba(26, 58, 92, 0.12);
  --shadow-lg: 0 16px 48px rgba(26, 58, 92, 0.16);
  --shadow-glow: 0 4px 24px rgba(26, 107, 176, 0.2);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 16px);
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--transition), color var(--transition);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(59, 143, 217, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 20%, rgba(59, 143, 217, 0.06), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

body.light-mode::before {
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(26, 107, 176, 0.06), transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 20%, rgba(26, 107, 176, 0.04), transparent 55%);
}

::selection {
  background: var(--accent);
  color: #ffffff;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 6px;
  border: 2px solid var(--bg-dark);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.sticky-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border-glass);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.sticky-nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: transform var(--transition-bounce), filter var(--transition);
  flex-shrink: 0;
}

.nav-logo:hover {
  transform: scale(1.04);
  filter: drop-shadow(0 0 12px var(--accent-glow));
}

.nav-logo svg {
  width: 36px;
  height: 36px;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-logo:hover svg {
  transform: rotate(180deg);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
  padding: 4px 0;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
  transition: width var(--transition);
}

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

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

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-light);
  font-size: 0.85rem;
  width: 130px;
  font-family: var(--font);
  transition: width var(--transition);
}

.search-box input:focus {
  width: 170px;
}

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

.search-box button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  transition: transform var(--transition-bounce), color var(--transition);
}

.search-box button:hover {
  transform: scale(1.15);
  color: var(--accent-dark);
}

.theme-toggle {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-light);
  transition: background var(--transition), transform var(--transition-bounce), border-color var(--transition), color var(--transition);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--primary-light);
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(30deg) scale(1.08);
}

.theme-toggle svg {
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

body.light-mode .theme-toggle svg {
  transform: rotate(180deg);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition), transform var(--transition);
}

.mobile-menu-btn:hover {
  color: var(--accent);
  transform: scale(1.1);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.hero {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: hidden;
  background: var(--gradient-hero);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  margin-bottom: 40px;
  isolation: isolate;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(6, 15, 26, 0.55) 100%);
  pointer-events: none;
  z-index: 2;
}

body.light-mode .hero::after {
  background: linear-gradient(180deg, transparent 0%, rgba(220, 234, 248, 0.5) 100%);
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.9s ease, transform 0.9s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(1.04);
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
  z-index: 2;
}

.hero-slide svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 10;
  max-width: 800px;
  padding: 0 20px;
  width: 100%;
  animation: heroFadeUp 0.9s ease both;
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translate(-50%, -42%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: 1.5px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.7);
  color: #ffffff;
  background: linear-gradient(120deg, #ffffff 0%, #c8e4ff 50%, #ffffff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
  to {
    background-position: 200% center;
  }
}

body.light-mode .hero-content h1 {
  background: linear-gradient(120deg, #0a1a2f 0%, #1f6bb0 50%, #0a1a2f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  text-shadow: none;
}

.hero-content p {
  font-size: 1.18rem;
  color: #d0e2f5;
  margin-bottom: 30px;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.6);
  letter-spacing: 0.3px;
}

body.light-mode .hero-content p {
  color: #2a4a6a;
  text-shadow: 0 1px 6px rgba(255, 255, 255, 0.8);
}

.hero-btn {
  display: inline-block;
  padding: 14px 38px;
  background: var(--gradient-accent);
  color: #ffffff;
  text-decoration: none;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  transition: transform var(--transition-bounce), box-shadow var(--transition), filter var(--transition);
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
}

.hero-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}

.hero-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 32px var(--accent-glow);
  filter: brightness(1.1);
}

.hero-btn:hover::before {
  left: 100%;
}

.hero-btn:active {
  transform: translateY(-1px) scale(0.99);
}

.hero-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-dot:hover {
  background: rgba(255, 255, 255, 0.6);
  transform: scale(1.2);
}

.hero-dot.active {
  background: var(--accent);
  width: 28px;
  border-radius: var(--radius-pill);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

.section {
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.section:last-of-type {
  border-bottom: none;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-light);
  letter-spacing: 0.5px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  background: var(--gradient-accent);
  margin-top: 12px;
  border-radius: 2px;
  transition: width var(--transition);
}

.section:hover .section-title::after {
  width: 88px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 700px;
  line-height: 1.8;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: transform var(--transition-bounce), box-shadow var(--transition), border-color var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover::after {
  opacity: 0.15;
}

.card svg {
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  transition: transform var(--transition-bounce);
}

.card:hover svg {
  transform: scale(1.12) rotate(-4deg);
}

.card h3 {
  font-size: 1.18rem;
  margin-bottom: 12px;
  color: var(--text-light);
  transition: color var(--transition);
}

.card:hover h3 {
  color: var(--accent);
}

.card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  text-align: center;
  padding: 20px 0;
}

.stat-item {
  padding: 28px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-bounce), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-item:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.stat-item:hover::before {
  opacity: 0.06;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1.15;
  position: relative;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  transition: background-position 0.6s ease;
}

.stat-item:hover .stat-number {
  background-position: 100% center;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 8px;
  position: relative;
}

.article-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: transform var(--transition-bounce), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.article-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.article-card:hover::before {
  transform: scaleY(1);
}

.article-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  background: var(--primary-light);
  border-radius: var(--radius-pill);
  transition: background var(--transition), color var(--transition);
}

.article-card:hover .article-meta span {
  background: var(--accent);
  color: #ffffff;
}

.article-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--text-light);
  line-height: 1.5;
  transition: color var(--transition);
}

.article-card:hover h3 {
  color: var(--accent);
}

.article-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 18px;
  line-height: 1.75;
}

.read-more {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  align-self: flex-start;
  transition: color var(--transition), transform var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.read-more:hover {
  color: var(--accent-dark);
  transform: translateX(4px);
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--bg-card);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.faq-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.faq-item.open {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 26px;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font);
  transition: background var(--transition), color var(--transition);
  gap: 16px;
}

.faq-question:hover {
  background: var(--primary-light);
  color: var(--accent);
}

.faq-question .icon {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), color var(--transition);
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-light);
  line-height: 1;
}

.faq-item.open .faq-question .icon {
  transform: rotate(135deg);
  background: var(--accent);
  color: #ffffff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
  padding: 0 26px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.85;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding: 0 26px 22px;
}

.howto-steps {
  counter-reset: step;
  list-style: none;
}

.howto-steps li {
  position: relative;
  padding: 22px 24px 22px 76px;
  margin-bottom: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  counter-increment: step;
  transition: transform var(--transition-bounce), border-color var(--transition), box-shadow var(--transition);
}

.howto-steps li:hover {
  transform: translateX(6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.howto-steps li::before {
  content: counter(step);
  position: absolute;
  left: 22px;
  top: 22px;
  width: 38px;
  height: 38px;
  background: var(--gradient-accent);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition-bounce);
}

.howto-steps li:hover::before {
  transform: scale(1.12) rotate(-8deg);
}

.howto-steps li h4 {
  font-size: 1.02rem;
  margin-bottom: 8px;
  color: var(--text-light);
  transition: color var(--transition);
}

.howto-steps li:hover h4 {
  color: var(--accent);
}

.howto-steps li p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 22px;
  text-align: center;
  transition: transform var(--transition-bounce), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 0 0 4px 4px;
  transition: transform var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

.team-card:hover::before {
  transform: translateX(-50%) scaleX(1);
}

.team-avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  margin: 0 auto 18px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 2px solid var(--border);
  transition: border-color var(--transition), transform var(--transition-bounce), box-shadow var(--transition);
}

.team-card:hover .team-avatar {
  border-color: var(--accent);
  transform: scale(1.08);
  box-shadow: var(--shadow-glow);
}

.team-avatar svg {
  width: 48px;
  height: 48px;
}

.team-card h4 {
  font-size: 1.08rem;
  margin-bottom: 6px;
  color: var(--text-light);
  transition: color var(--transition);
}

.team-card:hover h4 {
  color: var(--accent);
}

.team-card .role {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 12px;
  font-weight: 600;
}

.team-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  position: relative;
  transition: transform var(--transition-bounce), border-color var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 6px;
  left: 22px;
  font-size: 3.5rem;
  color: var(--accent);
  opacity: 0.25;
  font-family: Georgia, serif;
  line-height: 1;
  transition: opacity var(--transition), transform var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.testimonial-card:hover::before {
  opacity: 0.45;
  transform: scale(1.1);
}

.testimonial-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  padding-top: 20px;
  font-style: italic;
  line-height: 1.8;
  position: relative;
}

.testimonial-author {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  display: inline-block;
  transition: transform var(--transition);
}

.testimonial-card:hover .testimonial-author {
  transform: translateX(4px);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.contact-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: transform var(--transition-bounce), border-color var(--transition), box-shadow var(--transition);
}

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

.contact-item svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  transition: transform var(--transition-bounce);
}

.contact-item:hover svg {
  transform: scale(1.12) rotate(-6deg);
}

.contact-item h4 {
  font-size: 0.98rem;
  margin-bottom: 8px;
  color: var(--text-light);
  transition: color var(--transition);
}

.contact-item:hover h4 {
  color: var(--accent);
}

.contact-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.news-item {
  display: flex;
  gap: 22px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
  transition: transform var(--transition), padding var(--transition);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  transform: translateX(6px);
  padding-left: 8px;
}

.news-date {
  font-size: 0.8rem;
  color: var(--accent);
  white-space: nowrap;
  min-width: 90px;
  padding-top: 3px;
  font-weight: 600;
  transition: color var(--transition);
}

.news-content {
  flex: 1;
}

.news-content h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text-light);
  transition: color var(--transition);
}

.news-item:hover .news-content h4 {
  color: var(--accent);
}

.news-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.legal-content {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.95;
}

.legal-content h3 {
  font-size: 1.08rem;
  color: var(--text-light);
  margin: 24px 0 10px;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
  transition: color var(--transition), border-color var(--transition);
}

.legal-content h3:hover {
  color: var(--accent);
}

.legal-content p {
  margin-bottom: 14px;
}

.legal-content a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

.legal-content a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

.friend-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.friend-links a {
  display: inline-block;
  padding: 8px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all var(--transition);
}

.friend-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px 0;
}

.anchor-nav a {
  padding: 7px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  transition: all var(--transition);
}

.anchor-nav a:hover {
  background: var(--gradient-accent);
  color: #ffffff;
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.site-footer {
  background: var(--primary);
  border-top: 1px solid var(--border);
  padding: 56px 0 28px;
  margin-top: 40px;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0.6;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 36px;
  margin-bottom: 36px;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 18px;
  color: var(--text-light);
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}

.footer-col:hover h4::after {
  width: 48px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
}

.footer-col a:hover {
  color: var(--accent);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

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

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition-bounce), box-shadow var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.back-to-top:active {
  transform: translateY(-2px) scale(0.98);
}

.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

.highlight {
  color: var(--accent);
  font-weight: 600;
  transition: color var(--transition);
}

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

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--bg-glass);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    padding: 24px 20px;
    gap: 18px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    animation: menuSlide 0.3s ease both;
  }

  @keyframes menuSlide {
    from {
      opacity: 0;
      transform: translateY(-12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .nav-links.open li {
    width: 100%;
  }

  .nav-links.open a {
    display: block;
    padding: 10px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open a::after {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero {
    height: 420px;
    border-radius: 0 0 var(--radius) var(--radius);
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .search-box {
    display: none;
  }

  .section {
    padding: 44px 0;
  }

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

@media (max-width: 600px) {
  :root {
    --nav-height: 58px;
  }

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

  .nav-logo svg {
    width: 30px;
    height: 30px;
  }

  .hero {
    height: 360px;
  }

  .hero-content h1 {
    font-size: 1.5rem;
    letter-spacing: 0.5px;
  }

  .hero-content p {
    font-size: 0.88rem;
    margin-bottom: 22px;
  }

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

  .hero-dots {
    bottom: 16px;
  }

  .section {
    padding: 36px 0;
  }

  .section-title {
    font-size: 1.35rem;
  }

  .section-subtitle {
    font-size: 0.9rem;
    margin-bottom: 28px;
  }

  .card {
    padding: 24px 20px;
  }

  .card h3 {
    font-size: 1.05rem;
  }

  .stat-number {
    font-size: 2.1rem;
  }

  .stat-item {
    padding: 20px 12px;
  }

  .faq-question {
    padding: 16px 20px;
    font-size: 0.92rem;
  }

  .faq-answer {
    padding: 0 20px;
  }

  .faq-item.open .faq-answer {
    padding: 0 20px 18px;
  }

  .howto-steps li {
    padding: 18px 18px 18px 66px;
  }

  .howto-steps li::before {
    left: 18px;
    top: 18px;
    width: 34px;
    height: 34px;
    font-size: 0.9rem;
  }

  .news-item {
    flex-direction: column;
    gap: 6px;
  }

  .news-date {
    min-width: auto;
  }

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

  .anchor-nav {
    gap: 8px;
  }

  .anchor-nav a {
    padding: 6px 14px;
    font-size: 0.78rem;
  }
}

@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;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }

  .hero-slide {
    transform: none;
  }
}