:root {
  --brand-primary: #0f2a4a;
  --brand-secondary: #1a4a7a;
  --brand-accent: #e8a838;
  --brand-accent-hover: #f0b84a;
  --bg-body: #f5f7fa;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --bg-glass-border: rgba(255, 255, 255, 0.35);
  --text-primary: #1a2332;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --text-inverse: #ffffff;
  --border-color: rgba(15, 42, 74, 0.1);
  --shadow-sm: 0 2px 8px rgba(15, 42, 74, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 42, 74, 0.1);
  --shadow-lg: 0 16px 48px rgba(15, 42, 74, 0.14);
  --shadow-glow: 0 0 32px rgba(232, 168, 56, 0.25);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --max-width: 1200px;
  --header-height: 64px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand-primary: #0a1e38;
    --brand-secondary: #14365e;
    --brand-accent: #f0b84a;
    --brand-accent-hover: #f5c96a;
    --bg-body: #0d1520;
    --bg-card: #16202e;
    --bg-card-hover: #1c2a3c;
    --bg-glass: rgba(22, 32, 46, 0.78);
    --bg-glass-border: rgba(255, 255, 255, 0.08);
    --text-primary: #e8edf4;
    --text-secondary: #a8b8cc;
    --text-muted: #7a8ea6;
    --text-inverse: #0d1520;
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 32px rgba(240, 184, 74, 0.2);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-primary);
  background-color: var(--bg-body);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(15, 42, 74, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(232, 168, 56, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--brand-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--brand-accent);
}

a:focus-visible {
  outline: 2px solid var(--brand-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

ul, ol {
  padding-left: 1.5em;
}

li {
  margin-bottom: 0.4em;
}

::selection {
  background: var(--brand-accent);
  color: var(--bg-body);
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--bg-glass);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--bg-glass-border);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

header > div {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

header > div > a:first-child {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  white-space: nowrap;
  position: relative;
  padding: 6px 0;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary), var(--brand-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: filter var(--transition-fast);
}

header > div > a:first-child:hover {
  filter: brightness(1.2);
}

header > div > a:first-child::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-accent), transparent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

header > div > a:first-child:hover::after {
  transform: scaleX(1);
}

header nav {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 0;
  flex: 1;
  justify-content: flex-end;
}

header nav::-webkit-scrollbar {
  display: none;
}

header nav a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

header nav a:hover {
  color: var(--brand-accent);
  background: rgba(232, 168, 56, 0.1);
  transform: translateY(-1px);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

section {
  margin-bottom: 56px;
  scroll-margin-top: calc(var(--header-height) + 24px);
  opacity: 0;
  transform: translateY(28px);
  animation: fadeInUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

section:nth-child(1) { animation-delay: 0.05s; }
section:nth-child(2) { animation-delay: 0.1s; }
section:nth-child(3) { animation-delay: 0.15s; }
section:nth-child(4) { animation-delay: 0.2s; }
section:nth-child(5) { animation-delay: 0.25s; }
section:nth-child(6) { animation-delay: 0.3s; }
section:nth-child(7) { animation-delay: 0.35s; }
section:nth-child(8) { animation-delay: 0.4s; }
section:nth-child(9) { animation-delay: 0.45s; }
section:nth-child(10) { animation-delay: 0.5s; }
section:nth-child(11) { animation-delay: 0.55s; }
section:nth-child(12) { animation-delay: 0.6s; }
section:nth-child(13) { animation-delay: 0.65s; }
section:nth-child(14) { animation-delay: 0.7s; }
section:nth-child(15) { animation-delay: 0.75s; }
section:nth-child(16) { animation-delay: 0.8s; }
section:nth-child(17) { animation-delay: 0.85s; }
section:nth-child(18) { animation-delay: 0.9s; }

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

#brand {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: 56px 48px 48px;
  background: linear-gradient(135deg, #0f2a4a 0%, #1a4a7a 40%, #2a6da8 70%, #e8a838 130%);
  background-size: 200% 200%;
  animation: gradientShift 12s ease infinite, fadeInUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  color: var(--text-inverse);
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

#brand::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232, 168, 56, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatOrb 8s ease-in-out infinite;
}

#brand::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatOrb 10s ease-in-out infinite reverse;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.1); }
}

#brand h1 {
  position: relative;
  z-index: 1;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

#brand p {
  position: relative;
  z-index: 1;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 16px;
  max-width: 900px;
}

#brand figure {
  position: relative;
  z-index: 1;
  margin-top: 28px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

#brand figure:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.4);
}

#brand figure img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

#brand figure:hover img {
  transform: scale(1.03);
}

#brand figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 20px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.8);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

section:not(#brand) {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base), background var(--transition-base), border-color var(--transition-base);
}

section:not(#brand):hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(232, 168, 56, 0.25);
}

section h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  padding-bottom: 14px;
  position: relative;
  letter-spacing: -0.01em;
}

section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-accent), var(--brand-secondary));
  border-radius: 4px;
  transition: width var(--transition-base);
}

section:hover h2::after {
  width: 96px;
}

section h3 {
  font-size: 1.15rem;
  font-weight: 650;
  color: var(--text-primary);
  margin: 28px 0 12px;
  padding-left: 14px;
  position: relative;
  letter-spacing: -0.005em;
}

section h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25em;
  bottom: 0.25em;
  width: 4px;
  background: linear-gradient(180deg, var(--brand-accent), var(--brand-secondary));
  border-radius: 2px;
}

section h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 20px 0 10px;
}

section p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.85;
}

section ul,
section ol {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.85;
}

section li {
  margin-bottom: 8px;
}

section li::marker {
  color: var(--brand-accent);
}

#about ul {
  list-style: none;
  padding-left: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

#about ul li {
  position: relative;
  padding: 10px 16px 10px 36px;
  background: rgba(15, 42, 74, 0.04);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: background var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

#about ul li::before {
  content: '◆';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--brand-accent);
  font-size: 0.6rem;
}

#about ul li:hover {
  background: rgba(232, 168, 56, 0.08);
  border-color: rgba(232, 168, 56, 0.3);
  transform: translateX(4px);
}

#culture h3,
#products h3,
#advantages h3,
#solutions h3,
#applications h3,
#knowledge h3 {
  transition: color var(--transition-fast);
}

#culture h3:hover,
#products h3:hover,
#advantages h3:hover,
#solutions h3:hover,
#applications h3:hover,
#knowledge h3:hover {
  color: var(--brand-accent);
}

#products > p,
#advantages > p,
#solutions > p,
#applications > p {
  padding: 16px 20px;
  background: rgba(15, 42, 74, 0.03);
  border-left: 3px solid var(--brand-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 12px;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

#products > p:hover,
#advantages > p:hover,
#solutions > p:hover,
#applications > p:hover {
  background: rgba(232, 168, 56, 0.07);
  transform: translateX(4px);
}

#cases h3 {
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(15, 42, 74, 0.04), rgba(232, 168, 56, 0.04));
  border-radius: var(--radius-md);
  margin-top: 20px;
  margin-bottom: 8px;
  border: 1px solid var(--border-color);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

#cases h3:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
  border-color: rgba(232, 168, 56, 0.3);
}

#cases p {
  padding: 0 20px;
  margin-bottom: 16px;
}

#reviews {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

#reviews h2 {
  grid-column: 1 / -1;
}

#reviews blockquote {
  position: relative;
  padding: 24px 24px 24px 48px;
  background: linear-gradient(135deg, rgba(15, 42, 74, 0.03), rgba(232, 168, 56, 0.05));
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}

#reviews blockquote::before {
  content: '\201C';
  position: absolute;
  top: 4px;
  left: 16px;
  font-size: 3rem;
  line-height: 1;
  color: var(--brand-accent);
  opacity: 0.5;
  font-family: Georgia, serif;
}

#reviews blockquote:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(232, 168, 56, 0.3);
}

#reviews blockquote p {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

#reviews blockquote cite {
  display: block;
  font-style: normal;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-accent);
  text-align: right;
}

#news article {
  padding: 22px 24px;
  margin-bottom: 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--brand-accent);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

#news article:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
  border-left-color: var(--brand-secondary);
  background: var(--bg-card-hover);
}

#news article h3 {
  margin-top: 0;
  padding-left: 0;
  font-size: 1.1rem;
}

#news article h3::before {
  display: none;
}

#news article p:first-of-type {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

#news article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--brand-accent);
  margin-top: 8px;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

#news article a::after {
  content: '→';
  transition: transform var(--transition-fast);
}

#news article a:hover {
  color: var(--brand-accent-hover);
  gap: 10px;
}

#news article a:hover::after {
  transform: translateX(3px);
}

#articles article {
  padding: 20px 24px;
  margin-bottom: 14px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
  position: relative;
  overflow: hidden;
}

#articles article::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--brand-accent), var(--brand-secondary));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-base);
}

#articles article:hover::before {
  transform: scaleY(1);
}

#articles article:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(232, 168, 56, 0.25);
  background: var(--bg-card-hover);
}

#articles article h3 {
  margin-top: 0;
  padding-left: 0;
  font-size: 1.08rem;
}

#articles article h3::before {
  display: none;
}

#articles article p:first-of-type {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--brand-accent);
  margin-top: 6px;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

#articles article a::after {
  content: '→';
  transition: transform var(--transition-fast);
}

#articles article a:hover {
  color: var(--brand-accent-hover);
  gap: 10px;
}

#articles article a:hover::after {
  transform: translateX(3px);
}

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

#faq details:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(232, 168, 56, 0.3);
}

#faq details[open] {
  box-shadow: var(--shadow-md);
  border-color: rgba(232, 168, 56, 0.4);
}

#faq summary {
  padding: 16px 44px 16px 20px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: background var(--transition-fast), color var(--transition-fast);
  user-select: none;
}

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

#faq summary::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--brand-accent);
  transition: transform var(--transition-base), color var(--transition-fast);
  line-height: 1;
}

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

#faq summary:hover {
  background: rgba(232, 168, 56, 0.06);
  color: var(--brand-accent);
}

#faq details p {
  padding: 0 20px 18px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.8;
  animation: faqReveal 0.3s ease;
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#howto ol {
  counter-reset: howto-counter;
  list-style: none;
  padding-left: 0;
}

#howto ol li {
  counter-increment: howto-counter;
  position: relative;
  padding: 14px 18px 14px 56px;
  margin-bottom: 10px;
  background: rgba(15, 42, 74, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: background var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

#howto ol li::before {
  content: counter(howto-counter);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-inverse);
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(15, 42, 74, 0.25);
}

#howto ol li:hover {
  background: rgba(232, 168, 56, 0.07);
  border-color: rgba(232, 168, 56, 0.3);
  transform: translateX(6px);
  box-shadow: var(--shadow-sm);
}

#howto ul {
  list-style: none;
  padding-left: 0;
}

#howto ul li {
  position: relative;
  padding: 10px 16px 10px 36px;
  background: rgba(15, 42, 74, 0.03);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  border: 1px solid var(--border-color);
  transition: background var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

#howto ul li::before {
  content: '✓';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--brand-accent);
  font-weight: 700;
  font-size: 0.85rem;
}

#howto ul li:hover {
  background: rgba(232, 168, 56, 0.07);
  border-color: rgba(232, 168, 56, 0.3);
  transform: translateX(4px);
}

#sitemap ul,
#links ul {
  list-style: none;
  padding-left: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

#sitemap ul li,
#links ul li {
  margin-bottom: 0;
}

#sitemap ul a,
#links ul a {
  display: block;
  padding: 10px 16px;
  background: rgba(15, 42, 74, 0.03);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

#sitemap ul a:hover,
#links ul a:hover {
  background: linear-gradient(135deg, rgba(232, 168, 56, 0.12), rgba(15, 42, 74, 0.06));
  color: var(--brand-accent);
  border-color: rgba(232, 168, 56, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

#contact p {
  padding: 10px 16px;
  margin-bottom: 8px;
  background: rgba(15, 42, 74, 0.03);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 0.94rem;
  transition: background var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

#contact p:hover {
  background: rgba(232, 168, 56, 0.07);
  border-color: rgba(232, 168, 56, 0.3);
  transform: translateX(4px);
}

#legal h2 {
  font-size: 1.15rem;
  margin-top: 24px;
}

#legal h2:first-child {
  margin-top: 0;
}

#legal p {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 12px 16px;
  background: rgba(15, 42, 74, 0.02);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--border-color);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

#legal p:hover {
  border-left-color: var(--brand-accent);
  background: rgba(232, 168, 56, 0.04);
}

footer {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: rgba(255, 255, 255, 0.85);
  padding: 40px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-accent), transparent, var(--brand-accent));
}

footer p {
  max-width: var(--max-width);
  margin: 0 auto 10px;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
}

footer p:first-child {
  font-weight: 600;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.95);
}

footer p:last-child {
  margin-bottom: 0;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 900px) {
  main {
    padding: 24px 18px 48px;
  }

  section {
    margin-bottom: 40px;
  }

  section:not(#brand) {
    padding: 28px 22px;
  }

  #brand {
    padding: 40px 28px 32px;
    border-radius: var(--radius-lg);
  }

  #brand h1 {
    font-size: clamp(1.4rem, 5vw, 2rem);
  }

  #reviews {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  header > div {
    padding: 0 16px;
    flex-direction: column;
    gap: 0;
    height: auto;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  header {
    height: auto;
  }

  header nav {
    width: 100%;
    justify-content: flex-start;
    padding-bottom: 6px;
    gap: 2px;
  }

  header nav a {
    font-size: 0.78rem;
    padding: 5px 8px;
  }

  header > div > a:first-child {
    font-size: 1.15rem;
    align-self: flex-start;
  }

  main {
    padding: 20px 14px 40px;
  }

  section {
    margin-bottom: 32px;
    scroll-margin-top: 100px;
  }

  section:not(#brand) {
    padding: 22px 18px;
    border-radius: var(--radius-md);
  }

  #brand {
    padding: 32px 20px 24px;
    border-radius: var(--radius-md);
  }

  #brand h1 {
    font-size: 1.35rem;
    margin-bottom: 14px;
  }

  #brand p {
    font-size: 0.92rem;
  }

  section h2 {
    font-size: 1.2rem;
    margin-bottom: 18px;
  }

  section h3 {
    font-size: 1.02rem;
    margin-top: 22px;
  }

  #about ul {
    grid-template-columns: 1fr;
  }

  #sitemap ul,
  #links ul {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
  }

  #sitemap ul a,
  #links ul a {
    padding: 8px 12px;
    font-size: 0.84rem;
  }

  #howto ol li {
    padding: 12px 14px 12px 48px;
  }

  #howto ol li::before {
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
    left: 12px;
  }

  #faq summary {
    padding: 14px 40px 14px 16px;
    font-size: 0.92rem;
  }

  #faq details p {
    padding: 0 16px 14px;
    font-size: 0.88rem;
  }

  #news article,
  #articles article {
    padding: 16px 18px;
  }

  #news article:hover,
  #articles article:hover {
    transform: translateY(-2px);
  }

  footer {
    padding: 30px 16px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  #brand {
    padding: 24px 16px 20px;
  }

  #brand h1 {
    font-size: 1.2rem;
  }

  section:not(#brand) {
    padding: 18px 14px;
  }

  section h2 {
    font-size: 1.1rem;
  }

  section h3 {
    font-size: 0.98rem;
  }

  #sitemap ul,
  #links ul {
    grid-template-columns: 1fr 1fr;
  }

  #reviews blockquote {
    padding: 20px 16px 20px 40px;
  }

  #reviews blockquote::before {
    left: 12px;
    font-size: 2.4rem;
  }
}

@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;
  }

  section {
    opacity: 1;
    transform: none;
  }
}

@media print {
  header,
  footer,
  #sitemap,
  #links {
    display: none;
  }

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

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

  a {
    color: #000;
    text-decoration: underline;
  }
}