:root {
  --primary: #E8590C;
  --primary-light: #FF8A3D;
  --primary-dark: #C2410C;
  --primary-soft: #FFF4E6;
  --accent: #FFD8A8;
  --accent-2: #FFE8CC;
  --text-main: #1F2937;
  --text-sub: #4B5563;
  --text-muted: #6B7280;
  --bg-body: #FFFBF5;
  --bg-card: #FFFFFF;
  --bg-soft: #FFF4E6;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --border-color: rgba(232, 89, 12, 0.14);
  --border-soft: rgba(31, 41, 55, 0.08);
  --shadow-sm: 0 2px 8px rgba(232, 89, 12, 0.06);
  --shadow-md: 0 8px 24px rgba(232, 89, 12, 0.10);
  --shadow-lg: 0 18px 48px rgba(232, 89, 12, 0.14);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --max-width: 1200px;
  --header-h: 72px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --transition: 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

html[data-theme="dark"] {
  --primary: #FF8A3D;
  --primary-light: #FFA65C;
  --primary-dark: #E8590C;
  --primary-soft: #2A1A0E;
  --accent: #4A2C14;
  --accent-2: #3A2410;
  --text-main: #F3F4F6;
  --text-sub: #D1D5DB;
  --text-muted: #9CA3AF;
  --bg-body: #14100C;
  --bg-card: #1F1913;
  --bg-soft: #241C14;
  --bg-glass: rgba(31, 25, 19, 0.72);
  --border-color: rgba(255, 138, 61, 0.22);
  --border-soft: rgba(243, 244, 246, 0.10);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.6);
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background-color: var(--bg-body);
  background-image:
    radial-gradient(circle at 12% 0%, rgba(255, 138, 61, 0.10), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(255, 216, 168, 0.18), transparent 40%);
  background-attachment: fixed;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

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

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

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

ul,
ol {
  padding-left: 1.4em;
}

li {
  margin-bottom: 0.35em;
}

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

h1 {
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  margin: 0 0 0.6em;
}

h2 {
  font-size: clamp(1.45rem, 2.8vw, 2rem);
  margin: 0 0 0.7em;
  position: relative;
  padding-left: 0.6em;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 5px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

h3 {
  font-size: clamp(1.15rem, 1.9vw, 1.4rem);
  margin: 1.6em 0 0.5em;
}

p {
  margin: 0 0 1em;
  color: var(--text-sub);
}

strong {
  color: var(--text-main);
  font-weight: 700;
}

.visually-hidden {
  position: absolute !important;
  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: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border-soft);
  transition: background var(--transition), box-shadow var(--transition);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

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

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

.logo:hover svg {
  transform: rotate(-6deg) scale(1.06);
}

.logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.04em;
  background: linear-gradient(120deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

#site-header nav {
  flex: 1;
  min-width: 0;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: block;
  padding: 8px 12px;
  font-size: 0.92rem;
  color: var(--text-sub);
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition), background var(--transition);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-list a:hover {
  color: var(--primary);
  background: var(--primary-soft);
}

.nav-list a:hover::after {
  transform: scaleX(1);
}

.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-color);
  border-radius: 999px;
  padding: 3px 3px 3px 14px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.site-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(232, 89, 12, 0.12);
}

.site-search input {
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text-main);
  width: 170px;
  padding: 6px 0;
}

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

.site-search button,
.theme-toggle,
.menu-toggle {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: 999px;
  padding: 8px 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.site-search button:hover,
.theme-toggle:hover,
.menu-toggle:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  filter: brightness(1.05);
}

.site-search button:active,
.theme-toggle:active,
.menu-toggle:active {
  transform: translateY(0);
}

.theme-toggle,
.menu-toggle {
  background: var(--bg-card);
  color: var(--text-sub);
  border: 1px solid var(--border-color);
}

.menu-toggle {
  display: none;
}

/* ============ Breadcrumb ============ */
.breadcrumb {
  max-width: var(--max-width);
  margin: 18px auto 0;
  padding: 0 20px;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb li {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--border-color);
}

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

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

.breadcrumb li[aria-current="page"] {
  color: var(--primary);
  font-weight: 600;
}

/* ============ Main layout ============ */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px 60px;
}

main > section {
  margin-top: 56px;
  padding: 36px clamp(20px, 3.4vw, 44px);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
}

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

/* ============ Hero ============ */
.hero {
  margin-top: 24px !important;
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

.hero-slider {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, #FFF4E6 0%, #FFE8CC 48%, #FFD8A8 100%);
  box-shadow: var(--shadow-lg);
}

html[data-theme="dark"] .hero-slider {
  background: linear-gradient(135deg, #2A1A0E 0%, #3A2410 48%, #4A2C14 100%);
}

.slide {
  display: none;
  position: relative;
  min-height: 340px;
  animation: fadeSlide 0.6s ease;
}

.slide.is-active {
  display: block;
}

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

.slide > svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.slide-text {
  position: relative;
  z-index: 2;
  max-width: 560px;
  padding: clamp(28px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.slide-text h2 {
  font-size: clamp(1.4rem, 3.2vw, 2.2rem);
  padding-left: 0;
  margin: 0;
  color: var(--text-main);
}

.slide-text h2::before {
  display: none;
}

.slide-text p {
  margin: 0;
  color: var(--text-sub);
  font-size: 1rem;
}

.btn-primary {
  align-self: flex-start;
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: 0 10px 22px rgba(232, 89, 12, 0.32);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 16px 30px rgba(232, 89, 12, 0.42);
  filter: brightness(1.06);
}

.slider-controls {
  position: absolute;
  right: 20px;
  bottom: 20px;
  z-index: 3;
  display: flex;
  gap: 10px;
}

.slider-controls button {
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  padding: 8px 16px;
  border-radius: 999px;
  color: var(--text-main);
  background: var(--bg-glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.slider-controls button:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.hero-intro {
  margin-top: 32px;
  padding: clamp(24px, 3.4vw, 40px);
  border-radius: var(--radius-lg);
  background: var(--bg-glass);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.hero-intro .lead {
  font-size: 1.02rem;
  color: var(--text-sub);
  margin-bottom: 24px;
}

.hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.hero-stats li {
  margin: 0;
  padding: 18px 16px;
  text-align: center;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.hero-stats li:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.hero-stats strong {
  display: block;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 800;
  background: linear-gradient(120deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.hero-stats span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ============ Anchor nav ============ */
.anchor-nav {
  margin-top: 28px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
}

.anchor-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.anchor-nav li {
  margin: 0;
}

.anchor-nav a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-sub);
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--bg-soft);
  transition: all var(--transition);
}

.anchor-nav a:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ============ Timeline ============ */
.timeline {
  list-style: none;
  margin: 16px 0 0;
  padding: 0 0 0 26px;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

.timeline li {
  position: relative;
  margin: 0 0 16px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  color: var(--text-sub);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 3px rgba(232, 89, 12, 0.12);
}

.timeline li:hover {
  transform: translateX(6px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.timeline li strong {
  color: var(--primary);
  margin-right: 6px;
}

/* ============ Lists in sections ============ */
main > section > ul:not(.hero-stats):not(.contact-list):not(.sitemap-list):not(.friend-links):not(.timeline),
main > section > ol:not(.timeline) {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 10px;
}

main > section > ul:not(.hero-stats):not(.contact-list):not(.sitemap-list):not(.friend-links):not(.timeline) > li,
main > section > ol:not(.timeline) > li {
  position: relative;
  margin: 0;
  padding: 14px 18px 14px 42px;
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  color: var(--text-sub);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

main > section > ul:not(.hero-stats):not(.contact-list):not(.sitemap-list):not(.friend-links):not(.timeline) > li::before,
main > section > ol:not(.timeline) > li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 23px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: 0 0 0 4px rgba(232, 89, 12, 0.10);
}

main > section > ul:not(.hero-stats):not(.contact-list):not(.sitemap-list):not(.friend-links):not(.timeline) > li:hover,
main > section > ol:not(.timeline) > li:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* ============ Cards: articles, news, cases, reviews ============ */
#news article,
#articles article {
  padding: 22px 24px;
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  margin-bottom: 16px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

#news article:hover,
#articles article:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

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

#news article time,
#articles article time {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 2px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
  font-weight: 600;
}

#news article a,
#articles article a {
  display: inline-block;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  transition: all var(--transition);
}

#news article a:hover,
#articles article a:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-color: var(--primary);
  transform: translateX(4px);
}

#reviews blockquote {
  margin: 0 0 18px;
  padding: 22px 24px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-left: 4px solid var(--primary);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

#reviews blockquote::before {
  content: "\201C";
  position: absolute;
  top: 2px;
  right: 20px;
  font-size: 4rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.7;
  font-family: Georgia, serif;
}

#reviews blockquote:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

#reviews blockquote p {
  margin: 0 0 10px;
  color: var(--text-sub);
  font-style: italic;
}

#reviews blockquote footer {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
}

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

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

#faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 48px 16px 20px;
  font-weight: 600;
  color: var(--text-main);
  position: relative;
  transition: color var(--transition), background var(--transition);
}

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

#faq summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--primary);
  transition: transform var(--transition);
}

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

#faq summary:hover {
  color: var(--primary);
  background: var(--primary-soft);
}

#faq details p {
  margin: 0;
  padding: 0 20px 18px;
  color: var(--text-sub);
  animation: fadeSlide 0.35s ease;
}

/* ============ Contact ============ */
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.contact-list li {
  margin: 0;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  color: var(--text-sub);
  font-size: 0.94rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  word-break: break-word;
}

.contact-list li:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.contact-list a {
  font-weight: 600;
}

/* ============ Sitemap & friend links ============ */
.sitemap-list,
.friend-links {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sitemap-list li,
.friend-links li {
  margin: 0;
}

.sitemap-list a,
.friend-links a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--text-sub);
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  transition: all var(--transition);
}

.sitemap-list a:hover,
.friend-links a:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ============ Footer ============ */
#site-footer {
  margin-top: 40px;
  padding: 48px 20px 32px;
  background: linear-gradient(160deg, var(--primary-soft), transparent 70%), var(--bg-card);
  border-top: 1px solid var(--border-soft);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-inner p {
  margin: 0 0 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.footer-inner p strong {
  color: var(--primary);
  font-size: 1rem;
}

/* ============ Back to top ============ */
#back-to-top {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 90;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition), box-shadow var(--transition);
}

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

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

/* ============ Scroll reveal ============ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ============ Focus states ============ */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ============ Responsive ============ */
@media (max-width: 1080px) {
  .header-inner {
    gap: 12px;
  }
  .nav-list a {
    padding: 8px 9px;
    font-size: 0.86rem;
  }
  .site-search input {
    width: 120px;
  }
}

@media (max-width: 900px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 12px 16px;
  }
  #site-header nav {
    order: 3;
    flex-basis: 100%;
    display: none;
  }
  #site-header nav.is-open {
    display: block;
    animation: fadeSlide 0.3s ease;
  }
  .nav-list {
    flex-direction: column;
    gap: 2px;
    padding: 8px 0 4px;
  }
  .nav-list a {
    padding: 10px 14px;
    font-size: 0.94rem;
  }
  .header-actions {
    margin-left: auto;
  }
  .menu-toggle {
    display: inline-block;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .slide {
    min-height: 300px;
  }
  .slide > svg {
    opacity: 0.55;
  }
  .slide-text {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }
  .header-inner {
    padding: 10px 14px;
    gap: 8px;
  }
  .logo-text {
    font-size: 1.05rem;
  }
  .site-search {
    display: none;
  }
  .theme-toggle,
  .menu-toggle {
    padding: 7px 12px;
    font-size: 0.8rem;
  }
  .breadcrumb {
    padding: 0 14px;
    margin-top: 12px;
  }
  main {
    padding: 0 14px 40px;
  }
  main > section {
    margin-top: 32px;
    padding: 22px 18px;
    border-radius: var(--radius-md);
  }
  .hero-slider {
    border-radius: var(--radius-lg);
  }
  .slide {
    min-height: 280px;
  }
  .slide-text {
    padding: 26px 20px 64px;
  }
  .slider-controls {
    right: 12px;
    bottom: 12px;
  }
  .slider-controls button {
    padding: 6px 12px;
    font-size: 0.76rem;
  }
  .hero-intro {
    padding: 20px 16px;
    border-radius: var(--radius-md);
  }
  .hero-stats {
    gap: 10px;
  }
  .hero-stats li {
    padding: 14px 10px;
  }
  .hero-stats span {
    font-size: 0.76rem;
  }
  .anchor-nav {
    padding: 10px 12px;
  }
  .anchor-nav a {
    padding: 5px 11px;
    font-size: 0.78rem;
  }
  .contact-list {
    grid-template-columns: 1fr;
  }
  #news article,
  #articles article {
    padding: 18px 16px;
  }
  #faq summary {
    padding: 14px 42px 14px 16px;
    font-size: 0.94rem;
  }
  #faq details p {
    padding: 0 16px 16px;
  }
  .timeline {
    padding-left: 20px;
  }
  .timeline li::before {
    left: -20px;
    width: 12px;
    height: 12px;
  }
  main > section > ul:not(.hero-stats):not(.contact-list):not(.sitemap-list):not(.friend-links):not(.timeline) > li,
  main > section > ol:not(.timeline) > li {
    padding: 12px 14px 12px 36px;
  }
  main > section > ul:not(.hero-stats):not(.contact-list):not(.sitemap-list):not(.friend-links):not(.timeline) > li::before,
  main > section > ol:not(.timeline) > li::before {
    left: 14px;
    top: 20px;
    width: 8px;
    height: 8px;
  }
  #back-to-top {
    right: 14px;
    bottom: 16px;
    padding: 10px 14px;
    font-size: 0.76rem;
  }
  #site-footer {
    padding: 32px 16px 24px;
  }
}

@media (max-width: 380px) {
  .hero-stats {
    grid-template-columns: 1fr;
  }
  .logo-text {
    font-size: 0.98rem;
  }
}