:root {
  --color-bg: #f7f5f0;
  --color-bg-alt: #efece4;
  --color-surface: rgba(255, 255, 255, 0.72);
  --color-surface-solid: #ffffff;
  --color-text: #1a1a2e;
  --color-text-soft: #4a4a5e;
  --color-text-muted: #6b6b80;
  --color-primary: #e94560;
  --color-primary-dark: #c9304a;
  --color-accent: #f5c518;
  --color-accent-soft: #ffe9a8;
  --color-navy: #1a1a2e;
  --color-navy-soft: #16213e;
  --color-blue: #0f3460;
  --color-border: rgba(26, 26, 46, 0.12);
  --color-border-strong: rgba(26, 26, 46, 0.22);
  --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 45%, #0f3460 100%);
  --gradient-primary: linear-gradient(135deg, #e94560 0%, #c9304a 100%);
  --gradient-accent: linear-gradient(135deg, #f5c518 0%, #e94560 100%);
  --gradient-soft: linear-gradient(135deg, rgba(233, 69, 96, 0.12) 0%, rgba(245, 197, 24, 0.12) 100%);
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 26, 46, 0.10);
  --shadow-lg: 0 16px 48px rgba(26, 26, 46, 0.16);
  --shadow-glow: 0 8px 32px rgba(233, 69, 96, 0.28);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --blur-glass: blur(18px) saturate(160%);
  --font-base: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Georgia", "Songti SC", "STSong", "SimSun", var(--font-base);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --header-height: 68px;
  --max-width: 1200px;
}

html[data-theme="dark"] {
  --color-bg: #0d0d18;
  --color-bg-alt: #13131f;
  --color-surface: rgba(28, 28, 46, 0.68);
  --color-surface-solid: #1c1c2e;
  --color-text: #f0eef5;
  --color-text-soft: #c4c2d4;
  --color-text-muted: #9492a8;
  --color-primary: #ff5c7a;
  --color-primary-dark: #e94560;
  --color-accent: #ffd63e;
  --color-accent-soft: rgba(255, 214, 62, 0.18);
  --color-navy: #0d0d18;
  --color-navy-soft: #13131f;
  --color-blue: #1a2a4a;
  --color-border: rgba(240, 238, 245, 0.12);
  --color-border-strong: rgba(240, 238, 245, 0.24);
  --gradient-hero: linear-gradient(135deg, #0d0d18 0%, #13131f 45%, #1a2a4a 100%);
  --gradient-soft: linear-gradient(135deg, rgba(255, 92, 122, 0.14) 0%, rgba(255, 214, 62, 0.14) 100%);
  --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 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 8px 32px rgba(255, 92, 122, 0.32);
}

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

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(233, 69, 96, 0.08), transparent 42%),
    radial-gradient(circle at 88% 22%, rgba(245, 197, 24, 0.08), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(15, 52, 96, 0.08), transparent 50%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

a:hover,
a:focus-visible {
  color: var(--color-primary-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.3;
  color: var(--color-text);
  margin: 0 0 0.6em;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); font-weight: 700; }
h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 700; }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.4rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

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

ul, ol {
  padding-left: 1.4em;
  margin: 0 0 1em;
  color: var(--color-text-soft);
}

li { margin-bottom: 0.4em; }

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

blockquote {
  margin: 1.2em 0;
  padding: 1.1em 1.4em;
  border-left: 4px solid var(--color-primary);
  background: var(--gradient-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-soft);
  font-style: italic;
}

blockquote p { margin: 0; }

time {
  font-size: 0.85em;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.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;
}

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

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

#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: var(--color-surface);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.brand:hover {
  transform: scale(1.04);
  text-decoration: none;
}

.brand-logo {
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.brand:hover .brand-logo {
  box-shadow: var(--shadow-glow);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

#main-nav {
  flex: 1 1 auto;
  min-width: 0;
}

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

#main-nav li { margin: 0; }

#main-nav a {
  display: inline-block;
  padding: 6px 10px;
  font-size: 0.86rem;
  color: var(--color-text-soft);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
  position: relative;
}

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

#main-nav a:hover,
#main-nav a:focus-visible {
  color: var(--color-primary);
  background: var(--gradient-soft);
  text-decoration: none;
}

#main-nav a:hover::after,
#main-nav a:focus-visible::after {
  width: 60%;
}

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

#site-search {
  display: flex;
  align-items: center;
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

#site-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
}

#search-input {
  border: none;
  background: transparent;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--color-text);
  width: 150px;
  outline: none;
  transition: width var(--transition-base);
}

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

#search-input:focus { width: 190px; }

#site-search button {
  border: none;
  background: var(--gradient-primary);
  color: #fff;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: filter var(--transition-fast);
}

#site-search button:hover { filter: brightness(1.1); }

#theme-toggle,
#menu-toggle {
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface-solid);
  color: var(--color-text-soft);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

#theme-toggle:hover,
#menu-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

#menu-toggle { display: none; }

@media (max-width: 1024px) {
  #search-input { width: 120px; }
  #search-input:focus { width: 150px; }
  #main-nav a { padding: 6px 8px; font-size: 0.82rem; }
}

@media (max-width: 860px) {
  .header-inner {
    padding: 10px 16px;
    gap: 12px;
  }
  #menu-toggle { display: inline-block; }
  #main-nav {
    order: 3;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
  }
  #main-nav.is-open { max-height: 600px; }
  #main-nav ul {
    flex-direction: column;
    padding: 8px 0 12px;
    gap: 2px;
  }
  #main-nav a {
    display: block;
    padding: 10px 14px;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
  }
  #main-nav a::after { display: none; }
  .header-tools { margin-left: auto; }
  #site-search { display: none; }
}

@media (max-width: 480px) {
  .brand-name { font-size: 1.05rem; }
  #theme-toggle,
  #menu-toggle { padding: 7px 11px; font-size: 0.76rem; }
}

#hero {
  position: relative;
  padding: 40px 24px 56px;
  background: var(--gradient-hero);
  color: #f0eef5;
  overflow: hidden;
}

#hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(233, 69, 96, 0.28), transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(245, 197, 24, 0.18), transparent 45%),
    radial-gradient(circle at 50% 0%, rgba(15, 52, 96, 0.6), transparent 60%);
  pointer-events: none;
}

#hero > * { position: relative; z-index: 1; }

.hero-slider {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto 36px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  min-height: 320px;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.03);
  transition: opacity var(--transition-slow), transform var(--transition-slow), visibility var(--transition-slow);
}

.slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  position: relative;
}

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

.slide-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 48px 40px 36px;
  background: linear-gradient(to top, rgba(13, 13, 24, 0.92) 0%, rgba(13, 13, 24, 0.55) 55%, transparent 100%);
  color: #fff;
}

.slide-caption h2 {
  color: #fff;
  margin-bottom: 0.4em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.slide-caption p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0;
  font-size: 0.98rem;
}

.slider-controls {
  position: absolute;
  bottom: 18px;
  right: 24px;
  display: flex;
  gap: 8px;
  z-index: 3;
}

.slider-controls button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-controls button:hover,
.slider-controls button:focus-visible {
  background: var(--gradient-primary);
  border-color: transparent;
  transform: scale(1.1);
  box-shadow: var(--shadow-glow);
}

.hero-intro {
  max-width: var(--max-width);
  margin: 0 auto;
  animation: fadeUp 0.9s var(--transition-slow) both;
}

.hero-intro h1 {
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 2.9rem);
  margin-bottom: 0.5em;
  background: linear-gradient(120deg, #ffffff 0%, #f5c518 50%, #e94560 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}

.hero-lead {
  color: rgba(240, 238, 245, 0.82);
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  line-height: 1.85;
  max-width: 900px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 32px 0 24px;
}

.hero-stats li {
  margin: 0;
  padding: 20px 16px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
  transition: transform var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

.hero-stats li:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-glow);
}

.hero-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.hero-stats span {
  display: block;
  margin-top: 4px;
  font-size: 0.82rem;
  color: rgba(240, 238, 245, 0.7);
}

.hero-update {
  font-size: 0.85rem;
  color: rgba(240, 238, 245, 0.6);
  margin: 0;
}

.hero-update time { color: var(--color-accent); }

@media (max-width: 860px) {
  #hero { padding: 24px 16px 40px; }
  .hero-slider { min-height: 260px; margin-bottom: 28px; }
  .slide-caption { padding: 36px 24px 28px; }
  .slide-caption h2 { font-size: 1.3rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .slider-controls { bottom: 12px; right: 16px; }
  .slider-controls button { width: 32px; height: 32px; font-size: 0.78rem; }
}

@media (max-width: 480px) {
  .hero-slider { min-height: 220px; border-radius: var(--radius-lg); }
  .slide-caption { padding: 28px 18px 22px; }
  .slide-caption h2 { font-size: 1.15rem; }
  .slide-caption p { font-size: 0.86rem; }
  .hero-stats li { padding: 14px 10px; }
}

#breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px 0;
}

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

#breadcrumb li { margin: 0; }

#breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 6px;
  color: var(--color-text-muted);
  opacity: 0.5;
}

#breadcrumb a { color: var(--color-text-soft); }

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

#toc {
  max-width: var(--max-width);
  margin: 24px auto;
  padding: 24px 28px;
  background: var(--color-surface);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

#toc h2 {
  font-size: 1.1rem;
  margin-bottom: 0.8em;
  color: var(--color-text);
}

#toc ol {
  columns: 2;
  column-gap: 32px;
  list-style: none;
  counter-reset: toc;
  padding: 0;
  margin: 0;
}

#toc li {
  counter-increment: toc;
  break-inside: avoid;
  margin-bottom: 0.5em;
  padding-left: 30px;
  position: relative;
}

#toc li::before {
  content: counter(toc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  background: var(--gradient-soft);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  line-height: 1.4;
}

#toc a {
  color: var(--color-text-soft);
  font-size: 0.92rem;
  text-decoration: none;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

#toc a:hover {
  color: var(--color-primary);
  padding-left: 4px;
  text-decoration: none;
}

@media (max-width: 640px) {
  #breadcrumb { padding: 12px 16px 0; }
  #toc { margin: 16px; padding: 18px 20px; }
  #toc ol { columns: 1; }
}

main > section {
  max-width: var(--max-width);
  margin: 0 auto 28px;
  padding: 40px 32px;
  background: var(--color-surface);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  position: relative;
  overflow: hidden;
}

main > section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

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

main > section > h2:first-child {
  position: relative;
  padding-bottom: 0.5em;
  margin-bottom: 1em;
}

main > section > h2:first-child::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 4px;
  border-radius: 2px;
  background: var(--gradient-primary);
}

main > section h3 {
  margin-top: 1.6em;
  color: var(--color-text);
  position: relative;
  padding-left: 16px;
}

main > section h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 5px;
  height: 1.1em;
  border-radius: 3px;
  background: var(--gradient-primary);
}

main > section h3:first-child { margin-top: 0; }

#hero { max-width: 100%; border-radius: 0; margin-bottom: 0; }

#hero::before { opacity: 1; }

@media (max-width: 860px) {
  main > section {
    margin: 0 12px 20px;
    padding: 28px 20px;
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 480px) {
  main > section {
    margin: 0 8px 16px;
    padding: 22px 16px;
  }
}

.company-info {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr;
  gap: 2px 20px;
  margin: 1.5em 0;
  padding: 20px 24px;
  background: var(--gradient-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.company-info dt {
  font-weight: 700;
  color: var(--color-text);
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
}

.company-info dd {
  margin: 0;
  padding: 8px 0;
  color: var(--color-text-soft);
  border-bottom: 1px dashed var(--color-border);
}

.company-info dt:last-of-type,
.company-info dd:last-of-type { border-bottom: none; }

@media (max-width: 560px) {
  .company-info { grid-template-columns: 1fr; gap: 0; padding: 16px; }
  .company-info dt { padding-bottom: 0; border-bottom: none; }
  .company-info dd { padding-top: 2px; }
}

#products h3,
#solutions h3,
#applications h3,
#advantages h3 {
  font-size: 1.18rem;
}

#advantages h3 {
  padding: 14px 18px 14px 22px;
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-top: 1em;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

#advantages h3:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

#advantages h3 + p {
  padding: 0 4px;
}

#cases blockquote {
  position: relative;
  padding-left: 3em;
}

#cases blockquote::before {
  content: "\201C";
  position: absolute;
  left: 0.4em;
  top: -0.1em;
  font-family: var(--font-display);
  font-size: 3.4em;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.35;
}

#news article,
#articles article {
  padding: 20px 22px;
  margin-bottom: 16px;
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

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

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

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

#news article time,
#articles article time {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 10px;
  font-size: 0.78rem;
  background: var(--gradient-soft);
  border-radius: var(--radius-pill);
  color: var(--color-primary);
  font-weight: 600;
}

#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-primary);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

#articles article a::after {
  content: "\2192";
  transition: transform var(--transition-fast);
}

#articles article a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  filter: brightness(1.08);
  text-decoration: none;
}

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

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

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

#faq details:hover {
  border-color: var(--color-border-strong);
}

#faq summary {
  padding: 16px 52px 16px 20px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  position: relative;
  transition: background var(--transition-fast), color var(--transition-fast);
  font-size: 0.98rem;
  line-height: 1.6;
}

#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: 1.3rem;
  font-weight: 400;
  color: var(--color-primary);
  background: var(--gradient-soft);
  border-radius: 50%;
  transition: transform var(--transition-base), background var(--transition-base);
}

#faq details[open] summary::after {
  content: "\2212";
  transform: translateY(-50%) rotate(180deg);
  background: var(--gradient-primary);
  color: #fff;
}

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

#faq details > p {
  padding: 0 20px 18px;
  margin: 0;
  animation: fadeUp 0.4s ease both;
}

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

#howto ol > li {
  counter-increment: howto;
  position: relative;
  padding: 16px 18px 16px 62px;
  margin-bottom: 12px;
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

#howto ol > li::before {
  content: counter(howto);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  background: var(--gradient-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

#howto ol > li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

#contact address {
  font-style: normal;
}

#contact dl {
  display: grid;
  grid-template-columns: minmax(110px, 160px) 1fr;
  gap: 2px 20px;
  margin: 0;
  padding: 24px;
  background: var(--gradient-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

#contact dt {
  font-weight: 700;
  color: var(--color-text);
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
}

#contact dd {
  margin: 0;
  padding: 8px 0;
  color: var(--color-text-soft);
  border-bottom: 1px dashed var(--color-border);
}

#contact dt:last-of-type,
#contact dd:last-of-type { border-bottom: none; }

@media (max-width: 560px) {
  #contact dl { grid-template-columns: 1fr; padding: 16px; }
  #contact dt { padding-bottom: 0; border-bottom: none; }
  #contact dd { padding-top: 2px; }
}

#sitemap ul,
#friends ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px 20px;
}

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

#sitemap a,
#friends a {
  display: block;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--color-text-soft);
  font-size: 0.92rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

#sitemap a::before {
  content: "\25B8";
  margin-right: 8px;
  color: var(--color-primary);
}

#friends a::before {
  content: "\2197";
  margin-right: 8px;
  color: var(--color-accent);
}

#sitemap a:hover,
#friends a:hover {
  background: var(--color-surface-solid);
  border-color: var(--color-border);
  color: var(--color-primary);
  transform: translateX(4px);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

#site-footer {
  margin-top: 48px;
  padding: 56px 24px 28px;
  background: var(--gradient-hero);
  color: rgba(240, 238, 245, 0.78);
  position: relative;
  overflow: hidden;
}

#site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(233, 69, 96, 0.18), transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(245, 197, 24, 0.12), transparent 40%);
  pointer-events: none;
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px 36px;
}

#site-footer section h2 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 0.6em;
  padding-bottom: 0.4em;
  border-bottom: 2px solid rgba(233, 69, 96, 0.5);
  display: inline-block;
}

#site-footer p {
  font-size: 0.84rem;
  line-height: 1.75;
  color: rgba(240, 238, 245, 0.62);
  margin: 0;
}

.footer-bottom {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(240, 238, 245, 0.5);
  margin: 0 0 6px;
}

.footer-bottom time { color: rgba(245, 197, 24, 0.8); }

#back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), filter var(--transition-fast);
  padding: 0;
  line-height: 1.1;
}

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

#back-to-top:hover {
  filter: brightness(1.12);
  transform: translateY(-4px) scale(1.06);
}

@media (max-width: 560px) {
  #site-footer { padding: 40px 16px 24px; }
  .footer-inner { gap: 20px; }
  #back-to-top { right: 14px; bottom: 14px; width: 42px; height: 42px; font-size: 0.62rem; }
}

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

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

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(233, 69, 96, 0.4); }
  50% { box-shadow: 0 0 0 10px rgba(233, 69, 96, 0); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

main > section {
  animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

#about { animation-delay: 0.05s; }
#history { animation-delay: 0.1s; }
#products { animation-delay: 0.15s; }

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

@media print {
  #site-header,
  #back-to-top,
  #toc,
  #breadcrumb,
  .slider-controls,
  #site-footer {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
  main > section {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
    backdrop-filter: none;
    background: #fff;
  }
  a { color: #000; text-decoration: underline; }
}
</style>