:root {
  --peach-50: #fff5f8;
  --peach-100: #ffe4ec;
  --peach-200: #ffc9d9;
  --peach-300: #ffb3c6;
  --peach-400: #ff8fab;
  --peach-500: #ff6b8a;
  --peach-600: #f04e6f;
  --peach-700: #d63a5a;
  --green-400: #66bb6a;
  --green-500: #4caf50;
  --ink-900: #1f1a1d;
  --ink-800: #2b2428;
  --ink-700: #3d3439;
  --ink-600: #5a4d54;
  --ink-500: #7a6b73;
  --ink-400: #9c8d95;
  --ink-300: #c4b8be;
  --ink-200: #e6dde1;
  --ink-100: #f3edf0;
  --ink-50: #faf6f8;
  --bg: #fdf8fa;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.62);
  --bg-glass-strong: rgba(255, 255, 255, 0.82);
  --border-glass: rgba(255, 255, 255, 0.55);
  --border-soft: rgba(255, 107, 138, 0.14);
  --text: var(--ink-800);
  --text-soft: var(--ink-600);
  --text-mute: var(--ink-500);
  --accent: var(--peach-500);
  --accent-strong: var(--peach-600);
  --accent-soft: var(--peach-100);
  --shadow-sm: 0 2px 8px rgba(214, 58, 90, 0.06);
  --shadow-md: 0 8px 28px rgba(214, 58, 90, 0.10);
  --shadow-lg: 0 18px 48px rgba(214, 58, 90, 0.16);
  --shadow-glow: 0 10px 32px rgba(255, 107, 138, 0.32);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --header-h: 68px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --grad-hero: linear-gradient(135deg, #ffe4ec 0%, #ffd1e0 38%, #ffb3c6 72%, #ff8fab 100%);
  --grad-accent: linear-gradient(135deg, #ff8fab 0%, #ff6b8a 55%, #f04e6f 100%);
  --grad-soft: linear-gradient(135deg, rgba(255, 228, 236, 0.9) 0%, rgba(255, 179, 198, 0.55) 100%);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

body.dark {
  --bg: #171215;
  --bg-card: #211a1e;
  --bg-glass: rgba(38, 30, 35, 0.62);
  --bg-glass-strong: rgba(44, 35, 40, 0.85);
  --border-glass: rgba(255, 143, 171, 0.16);
  --border-soft: rgba(255, 143, 171, 0.14);
  --text: #f6edf1;
  --text-soft: #d3c3ca;
  --text-mute: #a8939c;
  --accent: #ff8fab;
  --accent-strong: #ff6b8a;
  --accent-soft: rgba(255, 107, 138, 0.16);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 10px 32px rgba(255, 107, 138, 0.28);
  --grad-hero: linear-gradient(135deg, #3a222c 0%, #4a2733 40%, #5c2c3d 72%, #7a3348 100%);
  --grad-soft: linear-gradient(135deg, rgba(90, 45, 60, 0.7) 0%, rgba(60, 32, 42, 0.55) 100%);
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(255, 179, 198, 0.22), transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(255, 228, 236, 0.5), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(255, 143, 171, 0.10), transparent 55%);
  background-attachment: fixed;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
  overflow-x: hidden;
}

body.dark {
  background-image:
    radial-gradient(circle at 12% 8%, rgba(255, 107, 138, 0.10), transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(120, 50, 70, 0.28), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(255, 107, 138, 0.06), transparent 55%);
}

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

a {
  color: var(--accent-strong);
  text-decoration: none;
  transition: color 0.25s var(--ease), opacity 0.25s var(--ease);
}

a:hover {
  color: var(--peach-700);
}

body.dark a:hover {
  color: #ffb3c6;
}

h1, h2, h3, h4 {
  line-height: 1.35;
  margin: 0 0 0.6em;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

h1 { font-size: clamp(1.7rem, 4.2vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.9rem); }
h3 { font-size: clamp(1.08rem, 2.2vw, 1.28rem); }

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

ul, ol {
  padding-left: 1.3em;
  color: var(--text-soft);
}

li {
  margin-bottom: 0.45em;
}

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

::selection {
  background: var(--peach-300);
  color: var(--ink-900);
}

:focus-visible {
  outline: 3px solid var(--peach-400);
  outline-offset: 3px;
  border-radius: 6px;
}

#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid var(--border-glass);
  transition: box-shadow 0.35s var(--ease), background 0.35s var(--ease);
}

#site-header.sticky {
  box-shadow: var(--shadow-md);
  background: var(--bg-glass-strong);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  min-height: var(--header-h);
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.brand a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
}

.brand svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 10px rgba(255, 107, 138, 0.35));
  transition: transform 0.4s var(--ease);
}

.brand a:hover svg {
  transform: rotate(-8deg) scale(1.06);
}

.brand-name {
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

#main-nav {
  flex: 1 1 auto;
}

#main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 2px 4px;
  justify-content: flex-end;
}

#main-nav li {
  margin: 0;
}

#main-nav a {
  display: inline-block;
  padding: 7px 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-soft);
  border-radius: var(--radius-pill);
  position: relative;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

#main-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-accent);
  transform: translateX(-50%);
  transition: width 0.3s var(--ease);
}

#main-nav a:hover {
  color: var(--accent-strong);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

#main-nav a:hover::after {
  width: 40%;
}

#menu-toggle,
#theme-toggle {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--text);
  background: var(--bg-glass-strong);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

#menu-toggle:hover,
#theme-toggle:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: var(--shadow-glow);
  background: var(--accent-soft);
}

#menu-toggle {
  display: none;
}

.breadcrumb {
  list-style: none;
  max-width: 1200px;
  margin: 18px auto 0;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-mute);
}

.breadcrumb li {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--ink-300);
}

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

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

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

main > section {
  margin: 28px 0;
  padding: clamp(20px, 4vw, 40px);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.4s var(--ease), transform 0.4s var(--ease), border-color 0.4s var(--ease);
  animation: rise-in 0.7s var(--ease) both;
}

main > section::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad-accent);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

main > section:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--peach-200);
}

main > section:hover::before {
  opacity: 1;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(20px, 4vw, 44px);
  align-items: center;
  padding: clamp(28px, 5vw, 56px);
  background: var(--grad-hero);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

#hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -140px;
  top: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.55), transparent 65%);
  pointer-events: none;
}

body.dark #hero::after {
  background: radial-gradient(circle, rgba(255, 143, 171, 0.18), transparent 65%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

#hero-title {
  color: var(--ink-900);
  text-shadow: 0 2px 18px rgba(255, 255, 255, 0.35);
}

body.dark #hero-title {
  color: #ffeef4;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.4);
}

.hero-lead {
  color: var(--ink-700);
  font-size: 0.98rem;
  line-height: 1.85;
}

body.dark .hero-lead {
  color: #e3d2da;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 24px 0;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 14px 8px;
  background: var(--bg-glass-strong);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

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

.stat-num {
  font-size: clamp(1.15rem, 2.6vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 0.76rem;
  color: var(--ink-600);
  text-align: center;
}

body.dark .stat-label {
  color: #d3c3ca;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 30px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
  will-change: transform;
}

.btn-primary {
  color: #fff;
  background: var(--grad-accent);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 38px rgba(240, 78, 111, 0.45);
}

.btn-secondary {
  color: var(--ink-800);
  background: var(--bg-glass-strong);
  border: 1.5px solid var(--peach-300);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

body.dark .btn-secondary {
  color: #ffeef4;
  border-color: rgba(255, 143, 171, 0.4);
}

.btn-secondary:hover {
  color: var(--accent-strong);
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-md);
}

.hero-banner {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform 0.5s var(--ease);
  animation: float-soft 6s ease-in-out infinite;
}

.hero-banner:hover {
  transform: translateY(-6px) rotate(-0.6deg);
}

.hero-banner svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

@keyframes float-soft {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.anchor-nav {
  margin: 26px 0;
  padding: 14px 18px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  backdrop-filter: blur(16px) saturate(150%);
  box-shadow: var(--shadow-sm);
}

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

.anchor-nav li {
  margin: 0;
}

.anchor-nav a {
  display: inline-block;
  padding: 6px 15px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-soft);
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  transition: all 0.28s var(--ease);
}

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

.timeline {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--peach-300), var(--peach-500), transparent);
  border-radius: 2px;
}

.timeline li {
  position: relative;
  margin: 0 0 18px;
  padding: 14px 18px 14px 42px;
  background: var(--bg-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  color: var(--text-soft);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.timeline li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--grad-accent);
  box-shadow: 0 0 0 4px var(--peach-100);
}

body.dark .timeline li::before {
  box-shadow: 0 0 0 4px rgba(255, 107, 138, 0.18);
}

.timeline li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--peach-200);
}

.timeline li strong {
  color: var(--accent-strong);
}

#products h3,
#advantages h3,
#solutions h3,
#applications h3,
#cases h3,
#knowledge h3,
#culture h3 {
  position: relative;
  padding-left: 16px;
  margin-top: 1.5em;
}

#products h3::before,
#advantages h3::before,
#solutions h3::before,
#applications h3::before,
#cases h3::before,
#knowledge h3::before,
#culture h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 5px;
  height: 1em;
  border-radius: 3px;
  background: var(--grad-accent);
}

#reviews blockquote {
  margin: 0 0 18px;
  padding: 20px 22px 18px 26px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-left: 4px solid var(--peach-500);
  border-radius: var(--radius-md);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  position: relative;
}

#reviews blockquote::before {
  content: "\201C";
  position: absolute;
  top: -6px;
  right: 18px;
  font-size: 4rem;
  line-height: 1;
  color: var(--peach-200);
  font-family: Georgia, serif;
}

body.dark #reviews blockquote::before {
  color: rgba(255, 143, 171, 0.22);
}

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

#reviews blockquote p {
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 10px;
}

#reviews blockquote footer {
  font-size: 0.86rem;
  color: var(--text-mute);
  font-weight: 600;
}

#news article,
#articles article {
  padding: 20px 22px;
  margin: 0 0 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

#news article:hover,
#articles article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--peach-200);
}

#news article h3,
#articles article h3 {
  margin-top: 0;
  color: var(--text);
}

#news article time,
#articles article time {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--accent-strong);
  font-weight: 600;
  padding: 2px 12px;
  background: var(--accent-soft);
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-strong);
  padding: 6px 16px;
  border: 1.5px solid var(--peach-300);
  border-radius: var(--radius-pill);
  transition: all 0.28s var(--ease);
}

#articles article a::after {
  content: "→";
  transition: transform 0.28s var(--ease);
}

#articles article a:hover {
  color: #fff;
  background: var(--grad-accent);
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

#articles article a:hover::after {
  transform: translateX(4px);
}

#faq details {
  margin: 0 0 12px;
  padding: 0;
  background: var(--bg-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

#faq details:hover {
  border-color: var(--peach-200);
  box-shadow: var(--shadow-sm);
}

#faq details[open] {
  box-shadow: var(--shadow-md);
  border-color: var(--peach-300);
}

#faq summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 52px 16px 20px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text);
  position: relative;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

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

#faq summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-radius: 50%;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), color 0.35s var(--ease);
}

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

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

#faq details p {
  margin: 0;
  padding: 0 20px 18px;
  font-size: 0.93rem;
  color: var(--text-soft);
  animation: fade-slide 0.4s var(--ease);
}

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

#howto ol,
#howto ul {
  margin: 0 0 1.2em;
}

#howto ol li {
  padding: 10px 14px;
  margin-bottom: 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

#howto ol li:hover {
  transform: translateX(5px);
  border-color: var(--peach-200);
}

#howto ol li::marker {
  color: var(--accent-strong);
  font-weight: 800;
}

#howto ul li::marker {
  color: var(--accent);
}

#contact address {
  font-style: normal;
  padding: 22px 24px;
  margin: 0 0 20px;
  background: var(--grad-soft);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
}

#contact address p {
  margin-bottom: 8px;
  color: var(--text-soft);
}

#contact address p:last-child {
  margin-bottom: 0;
}

#contact address strong {
  color: var(--accent-strong);
}

#sitemap ul,
#links ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

#sitemap a,
#links a {
  display: inline-block;
  padding: 7px 16px;
  font-size: 0.86rem;
  color: var(--text-soft);
  background: var(--bg-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  transition: all 0.28s var(--ease);
}

#sitemap a:hover,
#links a:hover {
  color: #fff;
  background: var(--grad-accent);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

#legal h3,
#eeat h3 {
  margin-top: 1.4em;
}

#eeat time {
  color: var(--accent-strong);
  font-weight: 600;
}

footer {
  margin-top: 40px;
  padding: 40px 20px 30px;
  text-align: center;
  color: var(--text-mute);
  font-size: 0.88rem;
  background: var(--bg-glass);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  backdrop-filter: blur(16px) saturate(150%);
  border-top: 1px solid var(--border-glass);
}

footer p {
  margin: 0 0 8px;
  color: var(--text-mute);
}

footer p:last-child {
  margin-bottom: 0;
}

footer a {
  color: var(--text-soft);
  margin: 0 2px;
}

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

#back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  background: var(--grad-accent);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.85);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0.35s var(--ease);
}

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

#back-to-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 16px 40px rgba(240, 78, 111, 0.5);
}

@media (max-width: 1024px) {
  #hero {
    grid-template-columns: 1fr;
  }

  .hero-banner {
    max-width: 640px;
    margin: 0 auto;
  }

  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 900px) {
  #menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  #theme-toggle {
    margin-left: 0;
  }

  #main-nav {
    order: 5;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s var(--ease), opacity 0.35s var(--ease);
    opacity: 0;
  }

  #main-nav.open {
    max-height: 640px;
    opacity: 1;
    padding-bottom: 12px;
  }

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

  #main-nav a {
    display: block;
    padding: 11px 16px;
    border-radius: var(--radius-sm);
  }

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

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

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  main {
    padding: 0 14px 30px;
  }

  main > section {
    margin: 18px 0;
    padding: 20px 16px;
    border-radius: var(--radius-md);
  }

  #hero {
    padding: 24px 18px;
    border-radius: var(--radius-lg);
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    padding: 13px 20px;
  }

  .anchor-nav {
    padding: 12px 12px;
  }

  .anchor-nav ul {
    justify-content: flex-start;
  }

  .anchor-nav a {
    font-size: 0.8rem;
    padding: 5px 12px;
  }

  .breadcrumb {
    padding: 0 14px;
    margin-top: 12px;
  }

  #contact address {
    padding: 16px 16px;
  }

  .timeline li {
    padding: 12px 14px 12px 38px;
  }

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

  #back-to-top {
    right: 14px;
    bottom: 14px;
    width: 44px;
    height: 44px;
  }

  footer {
    padding: 30px 16px 24px;
  }
}

@media (max-width: 380px) {
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .brand-name {
    font-size: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-color-scheme: dark) {
  body:not(.dark):not(.light) {
    color-scheme: dark;
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  #site-header,
  .anchor-nav,
  .stat,
  #reviews blockquote,
  #news article,
  #articles article,
  #faq details,
  #contact address,
  footer {
    background: var(--bg-card);
  }
}