:root {
  --brand: #E85D3D;
  --brand-dark: #C94A2E;
  --brand-light: #FF7A5C;
  --accent: #7CC576;
  --accent-dark: #5BA354;
  --bg: #FFF8F3;
  --bg-card: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --bg-glass-border: rgba(255, 255, 255, 0.5);
  --text: #2D2420;
  --text-secondary: #6B5E57;
  --text-muted: #9B8E86;
  --border: #F0E4DC;
  --shadow-sm: 0 2px 8px rgba(232, 93, 61, 0.08);
  --shadow-md: 0 8px 24px rgba(232, 93, 61, 0.1);
  --shadow-lg: 0 16px 48px rgba(232, 93, 61, 0.14);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --header-h: 68px;
  --max-w: 1200px;
}

[data-theme="dark"] {
  --bg: #1A1412;
  --bg-card: #241C19;
  --bg-glass: rgba(36, 28, 25, 0.78);
  --bg-glass-border: rgba(255, 255, 255, 0.08);
  --text: #F5EDE8;
  --text-secondary: #C4B5AC;
  --text-muted: #8A7B72;
  --border: #3A2E28;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(232, 93, 61, 0.06), transparent),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(124, 197, 118, 0.05), transparent);
  background-attachment: fixed;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
  min-height: 100vh;
}

[data-theme="dark"] body {
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(232, 93, 61, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(124, 197, 118, 0.05), transparent);
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input {
  font-family: inherit;
}

.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;
}

/* ============ HEADER ============ */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--bg-glass);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--bg-glass-border);
  transition: background var(--transition), box-shadow var(--transition);
}

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

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text);
}

.brand-logo svg {
  transition: transform var(--transition);
}

.brand-logo:hover svg {
  transform: rotate(-8deg) scale(1.08);
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main-nav {
  flex: 1;
}

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

.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}

.main-nav a:hover {
  color: var(--brand);
  background: rgba(232, 93, 61, 0.08);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.site-search {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 4px 2px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(232, 93, 61, 0.12);
}

.site-search input {
  width: 150px;
  border: none;
  outline: none;
  background: transparent;
  font-size: 0.85rem;
  color: var(--text);
  padding: 6px 0;
}

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

.site-search button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  transition: background var(--transition);
}

.site-search button:hover {
  background: rgba(232, 93, 61, 0.1);
}

.site-search button svg circle,
.site-search button svg line {
  stroke: var(--text-secondary);
  transition: stroke var(--transition);
}

.site-search button:hover svg circle,
.site-search button:hover svg line {
  stroke: var(--brand);
}

#theme-toggle,
#menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

#theme-toggle:hover,
#menu-toggle:hover {
  transform: scale(1.1);
  border-color: var(--brand);
  background: rgba(232, 93, 61, 0.08);
}

#menu-toggle {
  display: none;
}

/* ============ HERO ============ */
.hero {
  margin-top: var(--header-h);
  padding: 48px 24px 32px;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
}

.hero-carousel {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, #E85D3D 0%, #FF7A5C 40%, #FFB088 70%, #7CC576 100%);
  background-size: 200% 200%;
  animation: heroGradient 12s ease infinite;
  box-shadow: var(--shadow-lg);
  min-height: 320px;
  display: flex;
  align-items: center;
}

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

.hero-carousel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.25), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.15), transparent 45%);
  pointer-events: none;
}

.hero-carousel .slide {
  position: absolute;
  inset: 0;
  padding: 56px 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  pointer-events: none;
}

.hero-carousel .slide.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  position: relative;
}

.hero-carousel .slide h2 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  letter-spacing: 0.01em;
}

.hero-carousel .slide p {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: rgba(255, 255, 255, 0.95);
  max-width: 640px;
  line-height: 1.8;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.12);
}

.carousel-dots {
  position: absolute;
  bottom: 24px;
  left: 64px;
  display: flex;
  gap: 10px;
  z-index: 10;
}

.carousel-dots button {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  transition: width var(--transition), background var(--transition);
}

.carousel-dots button[aria-selected="true"] {
  width: 32px;
  background: #FFFFFF;
}

.carousel-dots button:hover {
  background: rgba(255, 255, 255, 0.8);
}

.hero-answer {
  margin-top: 24px;
  padding: 20px 28px;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-secondary);
  background: var(--bg-glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--bg-glass-border);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* ============ BREADCRUMB ============ */
.breadcrumb {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 8px 24px 0;
}

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

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--text-muted);
  opacity: 0.5;
}

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

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

.breadcrumb [aria-current="page"] {
  color: var(--brand);
  font-weight: 500;
}

/* ============ SECTIONS ============ */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 24px;
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.section > h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 28px;
  padding-bottom: 14px;
  position: relative;
  letter-spacing: 0.01em;
}

.section > h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 56px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
}

.section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin: 28px 0 10px;
  position: relative;
  padding-left: 16px;
}

.section h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px rgba(232, 93, 61, 0.15);
}

.section h3:first-of-type {
  margin-top: 0;
}

.section p {
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.85;
  font-size: 0.95rem;
}

.section > ul {
  margin: 12px 0;
}

.section > ul li {
  position: relative;
  padding: 8px 0 8px 28px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.section > ul li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--accent));
}

.section > ol {
  counter-reset: item;
  margin: 12px 0;
}

.section > ol li {
  position: relative;
  padding: 8px 0 8px 40px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  counter-increment: item;
}

.section > ol li::before {
  content: counter(item);
  position: absolute;
  left: 0;
  top: 10px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #FFFFFF;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  border-radius: 50%;
}

/* ============ CARDS (brand, products, solutions, applications, cases) ============ */
#brand,
#products,
#solutions,
#applications,
#cases,
#knowledge,
#howto,
#contact,
#sitemap,
#links,
#legal,
#author {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  margin-top: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: box-shadow var(--transition), transform var(--transition);
}

#brand:hover,
#products:hover,
#solutions:hover,
#applications:hover,
#cases:hover,
#knowledge:hover,
#howto:hover,
#contact:hover {
  box-shadow: var(--shadow-md);
}

/* ============ NEWS ============ */
#news {
  background: transparent;
}

#news > p {
  margin-bottom: 24px;
}

.news-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 16px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--brand), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.news-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(232, 93, 61, 0.25);
}

.news-item:hover::before {
  opacity: 1;
}

.news-item h3 {
  margin: 0 0 8px;
  padding-left: 0;
  font-size: 1.08rem;
}

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

.news-item time {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  padding: 2px 10px;
  background: rgba(232, 93, 61, 0.07);
  border-radius: 999px;
}

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

.news-item a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--brand);
  transition: gap var(--transition), color var(--transition);
}

.news-item a::after {
  content: "→";
  transition: transform var(--transition);
}

.news-item a:hover {
  gap: 8px;
  color: var(--brand-dark);
}

.news-item a:hover::after {
  transform: translateX(2px);
}

/* ============ BLOCKQUOTE ============ */
blockquote {
  margin: 16px 0;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(232, 93, 61, 0.06), rgba(124, 197, 118, 0.06));
  border-left: 4px solid var(--brand);
  border-radius: var(--radius-sm);
  position: relative;
}

blockquote p {
  margin: 0;
  font-style: italic;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

blockquote::before {
  content: "\201C";
  position: absolute;
  top: 4px;
  left: 12px;
  font-size: 3rem;
  line-height: 1;
  color: var(--brand);
  opacity: 0.2;
  font-family: Georgia, serif;
}

/* ============ FAQ ============ */
#faq {
  background: transparent;
}

#faq details {
  background: var(--bg-card);
  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:hover {
  border-color: rgba(232, 93, 61, 0.3);
  box-shadow: var(--shadow-sm);
}

#faq details[open] {
  border-color: rgba(232, 93, 61, 0.4);
  box-shadow: var(--shadow-md);
}

#faq summary {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color var(--transition), background var(--transition);
  user-select: none;
}

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

#faq summary::after {
  content: "+";
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--brand);
  background: rgba(232, 93, 61, 0.1);
  border-radius: 50%;
  transition: transform var(--transition), background var(--transition);
}

#faq details[open] summary::after {
  content: "−";
  transform: rotate(180deg);
  background: rgba(232, 93, 61, 0.18);
}

#faq summary:hover {
  color: var(--brand);
  background: rgba(232, 93, 61, 0.04);
}

#faq details[open] summary {
  color: var(--brand);
}

#faq details p {
  padding: 0 24px 20px;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.85;
  animation: faqFadeIn 0.35s ease;
}

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

/* ============ CONTACT ============ */
#contact h3 {
  margin-top: 20px;
}

#contact h3:first-of-type {
  margin-top: 0;
}

#contact p {
  padding-left: 16px;
}

/* ============ SITEMAP & LINKS ============ */
#sitemap ul,
#links ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

#sitemap li,
#links li {
  padding: 0;
}

#sitemap li::before,
#links li::before {
  display: none;
}

#sitemap a,
#links a {
  display: block;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: rgba(232, 93, 61, 0.04);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all var(--transition);
}

#sitemap a:hover,
#links a:hover {
  color: var(--brand);
  background: rgba(232, 93, 61, 0.1);
  border-color: rgba(232, 93, 61, 0.2);
  transform: translateX(4px);
}

/* ============ LEGAL ============ */
#legal h2:not(:first-child) {
  margin-top: 32px;
}

/* ============ FOOTER ============ */
#site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  margin-top: 48px;
  transition: background var(--transition), border-color var(--transition);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
}

.footer-inner nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-inner nav a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-inner nav a:hover {
  color: var(--brand);
}

/* ============ BACK TO TOP ============ */
#back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: #FFFFFF;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), box-shadow var(--transition);
}

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

#back-to-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: var(--shadow-lg);
}

#back-to-top:active {
  transform: translateY(-2px) scale(1.02);
}

/* ============ SCROLL ANIMATIONS ============ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.news-item,
#faq details,
#sitemap li,
#links li {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.news-item.visible,
#faq details.visible,
#sitemap li.visible,
#links li.visible {
  opacity: 1;
  transform: translateY(0);
}

.news-item:nth-child(2) { transition-delay: 0.05s; }
.news-item:nth-child(3) { transition-delay: 0.1s; }
.news-item:nth-child(4) { transition-delay: 0.15s; }
.news-item:nth-child(5) { transition-delay: 0.2s; }
.news-item:nth-child(6) { transition-delay: 0.25s; }
.news-item:nth-child(7) { transition-delay: 0.3s; }
.news-item:nth-child(8) { transition-delay: 0.35s; }
.news-item:nth-child(9) { transition-delay: 0.4s; }
.news-item:nth-child(10) { transition-delay: 0.45s; }
.news-item:nth-child(11) { transition-delay: 0.5s; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .header-inner {
    padding: 0 16px;
    gap: 12px;
  }

  .main-nav a {
    padding: 8px 10px;
    font-size: 0.85rem;
  }

  .site-search input {
    width: 110px;
  }

  .hero-carousel .slide {
    padding: 44px 40px;
  }

  .carousel-dots {
    left: 40px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-h: 60px;
  }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-glass);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--bg-glass-border);
    padding: 12px 16px;
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.3s ease, visibility 0.3s;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .main-nav a {
    padding: 12px 16px;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
  }

  #menu-toggle {
    display: flex;
  }

  .site-search {
    display: none;
  }

  .hero {
    padding: 32px 16px 24px;
  }

  .hero-carousel {
    min-height: 280px;
    border-radius: var(--radius-lg);
  }

  .hero-carousel .slide {
    padding: 36px 28px;
  }

  .carousel-dots {
    left: 28px;
    bottom: 20px;
  }

  .hero-answer {
    padding: 16px 20px;
    font-size: 0.88rem;
  }

  .section {
    padding: 40px 20px;
    border-radius: var(--radius-md);
  }

  .section > h2 {
    margin-bottom: 22px;
  }

  .section h3 {
    font-size: 1.02rem;
    margin: 22px 0 8px;
  }

  .news-item {
    padding: 20px 20px;
  }

  #faq summary {
    padding: 16px 18px;
    font-size: 0.92rem;
  }

  #faq details p {
    padding: 0 18px 16px;
    font-size: 0.88rem;
  }

  #sitemap ul,
  #links ul {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-inner nav ul {
    justify-content: center;
  }

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

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

  .brand-text {
    font-size: 1.1rem;
  }

  .hero-carousel {
    min-height: 240px;
  }

  .hero-carousel .slide {
    padding: 28px 20px;
  }

  .hero-carousel .slide h2 {
    margin-bottom: 10px;
  }

  .carousel-dots {
    left: 20px;
    bottom: 16px;
    gap: 8px;
  }

  .carousel-dots button {
    width: 8px;
    height: 8px;
  }

  .carousel-dots button[aria-selected="true"] {
    width: 24px;
  }

  .section {
    padding: 32px 16px;
  }

  .section > h2 {
    font-size: 1.3rem;
  }

  .section p {
    font-size: 0.9rem;
  }

  .section > ul li,
  .section > ol li {
    font-size: 0.9rem;
  }

  .news-item {
    padding: 18px 16px;
  }

  .news-item h3 {
    font-size: 1rem;
  }

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

  #sitemap a,
  #links a {
    padding: 8px 12px;
    font-size: 0.85rem;
  }

  blockquote {
    padding: 16px 18px;
  }
}

/* ============ REDUCED MOTION ============ */
@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,
  .news-item,
  #faq details,
  #sitemap li,
  #links li {
    opacity: 1;
    transform: none;
  }
}

/* ============ PRINT ============ */
@media print {
  #site-header,
  #back-to-top,
  #theme-toggle,
  #menu-toggle,
  .site-search,
  .breadcrumb,
  .hero-carousel {
    display: none !important;
  }

  body {
    background: #FFFFFF;
    color: #000000;
  }

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

  a {
    color: #000000;
    text-decoration: underline;
  }

  #faq details {
    opacity: 1;
    transform: none;
  }

  #faq details[open] p {
    display: block;
  }
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--brand), var(--brand-light));
  border-radius: 999px;
  border: 2px solid var(--bg);
}

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

/* ============ SELECTION ============ */
::selection {
  background: rgba(232, 93, 61, 0.25);
  color: var(--text);
}

/* ============ FOCUS VISIBLE ============ */
:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ============ SKIP LINK ============ */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 2000;
  padding: 12px 20px;
  background: var(--brand);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 12px;
  color: #FFFFFF;
}