:root {
  --primary: #6C5CE7;
  --primary-light: #A29BFE;
  --primary-dark: #4834D4;
  --accent: #FD79A8;
  --accent-light: #FF9EC4;
  --bg: #F8F9FE;
  --bg-alt: #FFFFFF;
  --bg-card: rgba(255, 255, 255, 0.72);
  --bg-glass: rgba(255, 255, 255, 0.55);
  --text: #1A1A2E;
  --text-secondary: #4A4A6A;
  --text-muted: #8888A8;
  --border: rgba(108, 92, 231, 0.12);
  --shadow: 0 8px 32px rgba(108, 92, 231, 0.10);
  --shadow-lg: 0 16px 48px rgba(108, 92, 231, 0.16);
  --shadow-hover: 0 20px 60px rgba(108, 92, 231, 0.22);
  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --glass-blur: 16px;
  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --gradient-hero: linear-gradient(135deg, #1A1A2E 0%, #162047 40%, #2D1B69 70%, #6C5CE7 100%);
  --gradient-accent: linear-gradient(135deg, #6C5CE7, #FD79A8);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.9), rgba(248,249,254,0.7));
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
}

[data-theme="dark"] {
  --primary: #A29BFE;
  --primary-light: #C4BFFF;
  --primary-dark: #6C5CE7;
  --accent: #FD79A8;
  --accent-light: #FF9EC4;
  --bg: #0F0F1A;
  --bg-alt: #1A1A2E;
  --bg-card: rgba(30, 30, 55, 0.78);
  --bg-glass: rgba(26, 26, 46, 0.65);
  --text: #EAEAF5;
  --text-secondary: #B8B8D4;
  --text-muted: #7A7A9A;
  --border: rgba(162, 155, 254, 0.15);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 20px 60px rgba(108, 92, 231, 0.3);
  --gradient-hero: linear-gradient(135deg, #0A0A14 0%, #12122A 40%, #1E1245 70%, #3D2B8E 100%);
  --gradient-card: linear-gradient(145deg, rgba(30,30,55,0.9), rgba(20,20,40,0.7));
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(108, 92, 231, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 20%, rgba(253, 121, 168, 0.06), transparent 55%),
    radial-gradient(ellipse 70% 60% at 50% 100%, rgba(108, 92, 231, 0.05), transparent 60%);
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.4s ease;
}

[data-theme="dark"] body::before {
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(108, 92, 231, 0.15), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 20%, rgba(253, 121, 168, 0.1), transparent 55%),
    radial-gradient(ellipse 70% 60% at 50% 100%, rgba(108, 92, 231, 0.08), transparent 60%);
}

::selection {
  background: var(--primary);
  color: #fff;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 4px;
}

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

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

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

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

ul, ol {
  list-style: none;
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.6);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.6);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

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

nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}

nav > a:first-child {
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  letter-spacing: -0.02em;
  transition: opacity var(--transition), transform var(--transition);
}

nav > a:first-child:hover {
  opacity: 0.85;
  transform: scale(1.02);
  -webkit-text-fill-color: transparent;
}

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

nav ul li a {
  display: block;
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-xs);
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
}

nav ul li a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
  transition: transform var(--transition);
}

nav ul li a:hover {
  color: var(--primary);
  background: rgba(108, 92, 231, 0.08);
}

nav ul li a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

nav button {
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font);
  color: #fff;
  background: var(--gradient-accent);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
  position: relative;
  overflow: hidden;
}

nav button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

nav button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 92, 231, 0.45);
}

nav button:hover::before {
  opacity: 1;
}

nav button:active {
  transform: translateY(0);
}

main {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 64px 0;
  position: relative;
}

section:first-of-type {
  padding-top: 48px;
}

section > h2 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
  position: relative;
  display: inline-block;
  color: var(--text);
}

section > h2::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 28px 0 12px;
  color: var(--text);
  letter-spacing: -0.01em;
}

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

p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.85;
}

ul, ol {
  margin-bottom: 20px;
}

section > ul li,
section > ol 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: var(--gradient-accent);
  transition: transform var(--transition);
}

section > ul li:hover::before {
  transform: scale(1.5);
}

section > ol {
  counter-reset: item;
}

section > ol li {
  counter-increment: item;
}

section > ol li::before {
  content: counter(item);
  position: absolute;
  left: 0;
  top: 10px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

#top {
  padding-top: 0;
}

#hero-title {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInUp 0.8s ease-out both;
}

#top > p {
  font-size: 1.05rem;
  max-width: 860px;
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

#top > p:nth-of-type(2) {
  animation-delay: 0.2s;
}

figure {
  margin: 36px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: fadeInUp 0.8s ease-out 0.3s both;
  transition: transform var(--transition), box-shadow var(--transition);
}

figure:hover {
  transform: translateY(-4px) scale(1.005);
  box-shadow: var(--shadow-hover);
}

figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(26, 26, 46, 0.35));
  pointer-events: none;
  border-radius: var(--radius);
}

figure img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

#brand-intro,
#products,
#advantages,
#solutions,
#applications,
#cases,
#news,
#articles,
#faq,
#howto,
#contact,
#sitemap,
#links,
#updates {
  background: transparent;
}

#brand-intro > h3,
#products > h3,
#advantages > h3,
#solutions > h3,
#applications > h3,
#cases > h3,
#news > h3,
#articles > h3,
#faq > h3,
#howto > h3,
#contact > h3 {
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  border-radius: 2px;
  transition: border-color var(--transition), padding-left var(--transition);
}

#brand-intro > h3:hover,
#products > h3:hover,
#advantages > h3:hover,
#solutions > h3:hover,
#applications > h3:hover,
#cases > h3:hover,
#news > h3:hover,
#articles > h3:hover,
#faq > h3:hover,
#howto > h3:hover,
#contact > h3:hover {
  border-color: var(--accent);
  padding-left: 20px;
}

#brand-intro > ul,
#products > ul,
#advantages > ul,
#solutions > ul,
#applications > ul,
#cases > ul,
#news > ul,
#articles > ul,
#faq > ul,
#howto > ul,
#howto > ol,
#contact > ul,
#sitemap > ul,
#links > ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

#brand-intro > ul li,
#products > ul li,
#advantages > ul li,
#solutions > ul li,
#applications > ul li,
#cases > ul li,
#news > ul li,
#articles > ul li,
#faq > ul li,
#howto > ul li,
#howto > ol li,
#contact > ul li,
#sitemap > ul li,
#links > ul li {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 20px 16px 32px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

#brand-intro > ul li:hover,
#products > ul li:hover,
#advantages > ul li:hover,
#solutions > ul li:hover,
#applications > ul li:hover,
#cases > ul li:hover,
#news > ul li:hover,
#articles > ul li:hover,
#faq > ul li:hover,
#howto > ul li:hover,
#howto > ol li:hover,
#contact > ul li:hover,
#sitemap > ul li:hover,
#links > ul li:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}

#brand-intro > ul li::before,
#products > ul li::before,
#advantages > ul li::before,
#solutions > ul li::before,
#applications > ul li::before,
#cases > ul li::before,
#news > ul li::before,
#articles > ul li::before,
#faq > ul li::before,
#howto > ul li::before,
#contact > ul li::before,
#sitemap > ul li::before,
#links > ul li::before {
  top: 22px;
}

#howto > ol li::before {
  top: 18px;
}

#howto > ol {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

article {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 0 4px 4px 0;
  opacity: 0;
  transition: opacity var(--transition);
}

article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-light);
}

article:hover::before {
  opacity: 1;
}

article h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

article time {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 12px;
  padding: 2px 10px;
  background: rgba(108, 92, 231, 0.08);
  border-radius: 50px;
}

article p {
  margin-bottom: 12px;
}

article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  transition: gap var(--transition), color var(--transition);
}

article a::after {
  content: "→";
  transition: transform var(--transition);
}

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

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

blockquote {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  margin: 16px 0;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}

blockquote::before {
  content: """;
  position: absolute;
  top: 8px;
  left: 12px;
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.15;
  font-family: Georgia, serif;
  line-height: 1;
}

blockquote:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-hover);
}

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

#contact > ul li {
  word-break: break-all;
}

#sitemap > ul {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

#sitemap > ul li a {
  font-weight: 500;
  color: var(--text-secondary);
  display: block;
  transition: color var(--transition), transform var(--transition);
}

#sitemap > ul li a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

#links > ul {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

#links > ul li a {
  font-weight: 600;
  color: var(--primary);
  display: block;
  transition: color var(--transition), transform var(--transition);
}

#links > ul li a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

footer {
  position: relative;
  z-index: 1;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 56px 24px 32px;
  transition: background 0.4s ease, border-color 0.4s ease;
}

footer > section {
  max-width: 1280px;
  margin: 0 auto 36px;
  padding: 0;
}

footer h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
  position: relative;
  display: inline-block;
}

footer h2::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 32px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

footer p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 720px;
}

footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
}

footer ul li {
  font-size: 0.9rem;
  color: var(--text-muted);
}

footer ul li a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition);
}

footer ul li a:hover {
  color: var(--primary);
}

footer > p:last-of-type {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

#privacy,
#disclaimer,
#copyright {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

#privacy:hover,
#disclaimer:hover,
#copyright:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

#privacy h2,
#disclaimer h2,
#copyright h2 {
  font-size: 1rem;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: opacity, transform;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

@media (max-width: 1024px) {
  nav {
    padding: 0 16px;
    height: 62px;
  }

  nav ul {
    gap: 2px;
  }

  nav ul li a {
    padding: 7px 10px;
    font-size: 0.82rem;
  }

  #hero-title {
    font-size: 2.1rem;
  }

  section {
    padding: 48px 0;
  }

  section > h2 {
    font-size: 1.7rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
    scroll-padding-top: 60px;
  }

  nav {
    height: auto;
    min-height: 58px;
    flex-wrap: wrap;
    padding: 10px 16px;
    gap: 8px;
  }

  nav > a:first-child {
    font-size: 1.1rem;
  }

  nav ul {
    order: 3;
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    gap: 0;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

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

  nav ul li a {
    padding: 6px 12px;
    font-size: 0.8rem;
    white-space: nowrap;
  }

  nav button {
    padding: 6px 14px;
    font-size: 0.78rem;
  }

  main {
    padding: 0 16px;
  }

  #hero-title {
    font-size: 1.65rem;
    line-height: 1.3;
  }

  #top > p {
    font-size: 0.95rem;
  }

  section {
    padding: 36px 0;
  }

  section > h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
  }

  h3 {
    font-size: 1.1rem;
    margin: 22px 0 10px;
  }

  p {
    font-size: 0.92rem;
    line-height: 1.8;
  }

  #brand-intro > ul,
  #products > ul,
  #advantages > ul,
  #solutions > ul,
  #applications > ul,
  #cases > ul,
  #news > ul,
  #articles > ul,
  #faq > ul,
  #howto > ul,
  #howto > ol,
  #contact > ul,
  #sitemap > ul,
  #links > ul {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  #brand-intro > ul li,
  #products > ul li,
  #advantages > ul li,
  #solutions > ul li,
  #applications > ul li,
  #cases > ul li,
  #news > ul li,
  #articles > ul li,
  #faq > ul li,
  #howto > ul li,
  #howto > ol li,
  #contact > ul li,
  #sitemap > ul li,
  #links > ul li {
    padding: 14px 16px 14px 28px;
    font-size: 0.88rem;
  }

  article {
    padding: 20px;
    border-radius: var(--radius-sm);
  }

  article h3 {
    font-size: 1rem;
  }

  blockquote {
    padding: 16px 18px;
  }

  footer {
    padding: 40px 16px 24px;
  }

  footer ul {
    flex-direction: column;
    gap: 10px;
  }

  #privacy,
  #disclaimer,
  #copyright {
    padding: 16px 18px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  nav > a:first-child {
    font-size: 1rem;
  }

  #hero-title {
    font-size: 1.4rem;
  }

  #top > p {
    font-size: 0.88rem;
  }

  section > h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1rem;
  }

  figure {
    border-radius: var(--radius-sm);
    margin-top: 24px;
  }

  article {
    padding: 16px;
  }
}

@media (min-width: 1400px) {
  main {
    max-width: 1360px;
  }

  nav {
    max-width: 1360px;
  }

  footer > section {
    max-width: 1360px;
  }
}

@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;
  }

  .reveal,
  .reveal-left,
  .reveal-scale {
    opacity: 1;
    transform: none;
  }
}

@media print {
  header,
  nav,
  footer,
  figure,
  blockquote {
    display: none;
  }

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

  main {
    max-width: 100%;
    padding: 0;
  }

  section {
    padding: 12px 0;
    break-inside: avoid;
  }
}

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

img[loading="lazy"] {
  background: linear-gradient(110deg, var(--bg) 8%, var(--bg-card) 18%, var(--bg) 33%);
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

img[loading="lazy"]:not([src=""]) {
  animation: none;
  background: none;
}