:root {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f8f9fa;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --bg-glass-border: rgba(255, 255, 255, 0.35);
  --text-primary: #1e1e2f;
  --text-secondary: #3d3d5c;
  --text-muted: #6c757d;
  --text-inverse: #ffffff;
  --border-color: #eaeaea;
  --border-light: #eee;
  --accent-gold: #e9c46a;
  --accent-coral: #e76f51;
  --accent-teal: #2a9d8f;
  --accent-orange: #f4a261;
  --accent-blue: #2a5c9a;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px rgba(233, 196, 106, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
  --gradient-warm: linear-gradient(135deg, #e9c46a 0%, #f4a261 50%, #e76f51 100%);
  --gradient-teal: linear-gradient(135deg, #2a9d8f 0%, #264653 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(248,249,250,0.95) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.4) 100%);
  --font-stack: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-serif: Georgia, 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --content-width: 1200px;
  --header-height: 68px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16162a;
    --bg-card: #1e1e35;
    --bg-glass: rgba(26, 26, 46, 0.78);
    --bg-glass-border: rgba(255, 255, 255, 0.08);
    --text-primary: #e8e8f0;
    --text-secondary: #b8b8cc;
    --text-muted: #8888a0;
    --text-inverse: #1a1a2e;
    --border-color: #2a2a45;
    --border-light: #252540;
    --accent-gold: #f0d080;
    --accent-coral: #f08a6a;
    --accent-teal: #3ab8a8;
    --accent-orange: #f4b070;
    --accent-blue: #6a9fd8;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 0 40px rgba(240, 208, 128, 0.1);
    --gradient-hero: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 40%, #16213e 100%);
    --gradient-card: linear-gradient(145deg, rgba(30,30,53,0.9) 0%, rgba(22,22,42,0.95) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(30,30,53,0.7) 0%, rgba(26,26,46,0.4) 100%);
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

::selection {
  background: var(--accent-gold);
  color: #1a1a2e;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: var(--radius-full);
}

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

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

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

a:hover {
  color: var(--accent-coral);
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 2px;
  border-radius: 2px;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  line-height: 1.3;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.4rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }

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

ul, ol {
  padding-left: 1.5em;
  color: var(--text-secondary);
}

li {
  margin-bottom: 0.35em;
}

li::marker {
  color: var(--accent-gold);
}

blockquote {
  margin: 1.5em 0;
  padding: 1em 1.5em;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-left: 4px solid var(--accent-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
  font-style: italic;
}

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

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.5em 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

th, td {
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  text-align: left;
}

th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-primary);
}

tr:hover td {
  background: var(--bg-glass);
}

hr {
  border: 0;
  border-top: 1px solid var(--border-color);
  margin: 2em 0;
}

address {
  font-style: normal;
  color: var(--text-secondary);
}

time {
  color: var(--text-muted);
  font-size: 0.9rem;
}

code, pre {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  font-size: 0.9em;
}

code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-coral);
}

pre {
  background: var(--bg-tertiary);
  padding: 16px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  border: 1px solid var(--border-color);
}

pre code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  white-space: nowrap;
}

.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.flex-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

header {
  position: sticky !important;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass) !important;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--bg-glass-border) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  opacity: 0.4;
}

header .container {
  padding-top: 12px;
  padding-bottom: 12px;
}

header svg {
  transition: transform var(--transition-base);
}

header svg:hover {
  transform: rotate(-6deg) scale(1.08);
}

header span[style*="font-weight: 700"] {
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  transition: opacity var(--transition-fast);
}

header span[style*="font-weight: 700"]:hover {
  opacity: 0.8;
}

nav[aria-label="主导航"] ul {
  gap: 4px !important;
}

nav[aria-label="主导航"] a {
  position: relative;
  display: inline-block;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition-fast), background var(--transition-fast);
}

nav[aria-label="主导航"] a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-warm);
  border-radius: var(--radius-full);
  transition: width var(--transition-base), left var(--transition-base);
}

nav[aria-label="主导航"] a:hover {
  color: var(--text-primary);
  background: rgba(233, 196, 106, 0.1);
  text-decoration: none;
}

nav[aria-label="主导航"] a:hover::after {
  width: 60%;
  left: 20%;
}

form[role="search"] {
  position: relative;
}

form[role="search"] input[type="search"] {
  padding: 8px 14px !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-full) !important;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-stack);
  width: 180px;
  transition: width var(--transition-base), border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

form[role="search"] input[type="search"]:focus {
  outline: none;
  border-color: var(--accent-gold) !important;
  box-shadow: 0 0 0 3px rgba(233, 196, 106, 0.15);
  width: 220px;
}

form[role="search"] input[type="search"]::placeholder {
  color: var(--text-muted);
}

form[role="search"] button {
  padding: 8px 18px !important;
  background: var(--gradient-hero) !important;
  color: #fff !important;
  border: none !important;
  border-radius: var(--radius-full) !important;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  position: relative;
  overflow: hidden;
}

form[role="search"] button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-warm);
  opacity: 0;
  transition: opacity var(--transition-base);
}

form[role="search"] button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

form[role="search"] button:hover::before {
  opacity: 1;
}

form[role="search"] button span {
  position: relative;
  z-index: 1;
}

nav[aria-label="面包屑"] {
  padding: 12px 24px !important;
  font-size: 0.88rem;
  color: var(--text-muted);
}

nav[aria-label="面包屑"] ol {
  gap: 8px !important;
}

nav[aria-label="面包屑"] a {
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

nav[aria-label="面包屑"] a:hover {
  color: var(--accent-gold);
  background: rgba(233, 196, 106, 0.08);
  text-decoration: none;
}

nav[aria-label="面包屑"] li[aria-current="page"] {
  color: var(--text-primary);
  font-weight: 600;
}

main {
  animation: fadeInUp 0.6s ease both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

section {
  position: relative;
  animation: sectionReveal 0.7s ease both;
  animation-timeline: view();
  animation-range: entry 0% entry 30%;
}

@keyframes sectionReveal {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@supports not (animation-timeline: view()) {
  section {
    animation: fadeInUp 0.7s ease both;
  }
}

#hero {
  padding: 56px 0 32px !important;
  position: relative;
}

#hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(233, 196, 106, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}

#hero::after {
  content: '';
  position: absolute;
  top: 50px;
  right: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(231, 111, 81, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}

#hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 0.4em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-gold) 50%, var(--accent-coral) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  letter-spacing: -0.03em;
}

#hero > p {
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  color: var(--text-secondary);
  max-width: 800px;
  line-height: 1.8;
}

#hero > div[style*="border-radius: 16px"] {
  margin-top: 36px !important;
  border-radius: var(--radius-xl) !important;
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  position: relative;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

#hero > div[style*="border-radius: 16px"]:hover {
  transform: translateY(-4px) scale(1.005);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.15), 0 0 60px rgba(233, 196, 106, 0.2);
}

#hero > div[style*="border-radius: 16px"]::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(26, 26, 46, 0.4) 100%);
  pointer-events: none;
}

#hero svg {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 8s ease;
}

#hero > div[style*="border-radius: 16px"]:hover svg {
  transform: scale(1.03);
}

#brand-intro {
  padding: 56px 0 !important;
}

#brand-intro h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.8em;
  position: relative;
  display: inline-block;
}

#brand-intro h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--gradient-warm);
  border-radius: var(--radius-full);
}

#brand-intro .grid-2 > div {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

#brand-intro .grid-2 > div::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-warm);
  opacity: 0;
  transition: opacity var(--transition-base);
}

#brand-intro .grid-2 > div:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold);
}

#brand-intro .grid-2 > div:hover::before {
  opacity: 1;
}

#brand-intro h3 {
  color: var(--text-primary);
  margin-top: 0;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

#brand-intro h3::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--gradient-warm);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

#brand-intro ul {
  list-style: none;
  padding-left: 0;
}

#brand-intro ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  line-height: 1.7;
}

#brand-intro ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-gold);
  font-weight: 700;
}

#brand-intro strong {
  color: var(--text-primary);
  font-weight: 600;
}

#brand-intro div[style*="background: #f1f3f5"] {
  background: var(--bg-glass) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md) !important;
  padding: 20px !important;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

#brand-intro div[style*="background: #f1f3f5"]:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

#brand-intro div[style*="background: #f1f3f5"] h4 {
  margin-top: 0;
  color: var(--accent-gold);
  font-size: 1rem;
}

#brand-intro address p {
  margin-bottom: 6px;
  font-size: 0.92rem;
}

#products {
  padding: 56px 24px !important;
  background: var(--bg-tertiary) !important;
  border-radius: var(--radius-xl) !important;
  position: relative;
  overflow: hidden;
}

#products::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(42, 157, 143, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

#products h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.8em;
  position: relative;
  display: inline-block;
}

#products h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--gradient-teal);
  border-radius: var(--radius-full);
}

#products article {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

#products article::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: var(--gradient-glass);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

#products article:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-teal);
}

#products article:hover::after {
  opacity: 1;
}

#products article h3 {
  margin-top: 0;
  font-size: 1.15rem;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

#products article:hover h3 {
  color: var(--accent-teal);
}

#products article p {
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 0.8em;
}

#products article p:last-child {
  margin-bottom: 0;
}

#products article strong {
  color: var(--accent-gold);
  font-weight: 600;
  font-size: 0.88rem;
}

#solutions {
  padding: 56px 0 !important;
}

#solutions h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.8em;
  position: relative;
  display: inline-block;
}

#solutions h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--gradient-warm);
  border-radius: var(--radius-full);
}

#solutions .grid-2 > div {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

#solutions .grid-2 > div::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-warm);
  border-radius: var(--radius-full) 0 0 var(--radius-full);
  opacity: 0;
  transition: opacity var(--transition-base);
}

#solutions .grid-2 > div:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

#solutions .grid-2 > div:hover::before {
  opacity: 1;
}

#solutions h3 {
  margin-top: 0;
  font-size: 1.25rem;
}

#solutions h4 {
  color: var(--accent-gold);
  font-size: 1rem;
  margin-top: 1.5em;
  margin-bottom: 0.6em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}

#solutions ul {
  list-style: none;
  padding-left: 0;
}

#solutions ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  line-height: 1.7;
}

#solutions ul li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--accent-teal);
  font-size: 0.7em;
  top: 0.35em;
}

#cases {
  padding: 56px 24px !important;
  background: var(--bg-tertiary) !important;
  border-radius: var(--radius-xl) !important;
  position: relative;
  overflow: hidden;
}

#cases::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(231, 111, 81, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

#cases h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.8em;
  position: relative;
  display: inline-block;
}

#cases h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--gradient-warm);
  border-radius: var(--radius-full);
}

#cases .grid-2 > div {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

#cases .grid-2 > div:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

#cases h3 {
  margin-top: 0;
  font-size: 1.15rem;
  color: var(--text-primary);
}

#cases blockquote {
  position: relative;
  padding: 20px 24px 20px 28px;
  margin: 20px 0;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-left: 4px solid var(--accent-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

#cases blockquote::before {
  content: '"';
  position: absolute;
  top: -8px;
  left: 10px;
  font-size: 3rem;
  font-family: var(--font-serif);
  color: var(--accent-gold);
  opacity: 0.3;
  line-height: 1;
}

#cases blockquote p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  font-style: italic;
}

#cases blockquote p:last-child {
  margin-bottom: 0;
}

#news {
  padding: 56px 0 !important;
}

#news h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.8em;
  position: relative;
  display: inline-block;
}

#news h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--gradient-warm);
  border-radius: var(--radius-full);
}

#news ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#news ul li {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 0 !important;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

#news ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-warm);
  opacity: 0;
  transition: opacity var(--transition-base);
}

#news ul li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-gold);
}

#news ul li:hover::before {
  opacity: 1;
}

#news ul li time {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

#news ul li h3 {
  margin: 4px 0 8px;
  font-size: 1.1rem;
  line-height: 1.4;
}

#news ul li h3 a {
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

#news ul li h3 a:hover {
  color: var(--accent-coral);
}

#news ul li p {
  margin-bottom: 0;
  font-size: 0.92rem;
  line-height: 1.7;
}

#articles {
  padding: 56px 24px !important;
  background: var(--bg-tertiary) !important;
  border-radius: var(--radius-xl) !important;
  position: relative;
  overflow: hidden;
}

#articles::before {
  content: '';
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(233, 196, 106, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

#articles h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.8em;
  position: relative;
  display: inline-block;
}

#articles h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--gradient-warm);
  border-radius: var(--radius-full);
}

#articles > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 32px !important;
}

#articles article {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

#articles article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-warm);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

#articles article:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold);
}

#articles article:hover::before {
  transform: scaleX(1);
}

#articles article h3 {
  margin-top: 0;
  font-size: 1.05rem;
  line-height: 1.45;
  margin-bottom: 8px;
}

#articles article h3 a {
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

#articles article h3 a:hover {
  color: var(--accent-coral);
}

#articles article time {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

#articles article p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

#articles article > a:last-child {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-gold);
  transition: gap var(--transition-fast), color var(--transition-fast);
  margin-top: auto;
}

#articles article > a:last-child::after {
  content: '→';
  transition: transform var(--transition-fast);
}

#articles article > a:last-child:hover {
  gap: 10px;
  color: var(--accent-coral);
}

#articles article > a:last-child:hover::after {
  transform: translateX(3px);
}

#howto {
  padding: 56px 0 !important;
}

#howto h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.8em;
  position: relative;
  display: inline-block;
}

#howto h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--gradient-teal);
  border-radius: var(--radius-full);
}

#howto > p {
  font-size: 0.95rem;
  line-height: 1.8;
}

#howto > p strong {
  color: var(--text-primary);
  font-weight: 600;
}

#howto h3 {
  font-size: 1.15rem;
  margin-top: 2em;
  margin-bottom: 0.8em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

#howto h3::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent-teal);
  border-radius: 50%;
  flex-shrink: 0;
}

#howto ol {
  counter-reset: step-counter;
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#howto ol > li {
  counter-increment: step-counter;
  position: relative;
  padding: 20px 24px 20px 68px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  line-height: 1.7;
}

#howto ol > li::before {
  content: counter(step-counter);
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-warm);
  color: #1a1a2e;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(233, 196, 106, 0.3);
}

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

#howto ol > li strong {
  color: var(--text-primary);
  font-weight: 600;
}

#howto ul {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#howto ul > li {
  position: relative;
  padding-left: 24px;
  line-height: 1.7;
}

#howto ul > li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-teal);
  font-weight: 700;
  font-size: 0.85em;
}

#faq {
  padding: 56px 24px !important;
  background: var(--bg-tertiary) !important;
  border-radius: var(--radius-xl) !important;
  position: relative;
  overflow: hidden;
}

#faq::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(42, 157, 143, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

#faq h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.8em;
  position: relative;
  display: inline-block;
}

#faq h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--gradient-teal);
  border-radius: var(--radius-full);
}

#faq dl {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#faq dt {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  position: relative;
  padding-right: 48px;
  line-height: 1.5;
}

#faq dt::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--accent-gold);
  transition: transform var(--transition-base), color var(--transition-fast);
  line-height: 1;
}

#faq dt:hover {
  background: var(--bg-glass);
  border-color: var(--accent-gold);
  transform: translateX(4px);
}

#faq dt:hover::after {
  color: var(--accent-coral);
}

#faq dt strong {
  font-weight: 600;
}

#faq dd {
  margin: 0;
  padding: 20px 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-secondary);
  animation: fadeInUp 0.3s ease both;
}

#faq dd:last-of-type {
  margin-bottom: 0;
}

#contact {
  padding: 56px 0 !important;
}

#contact h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.8em;
  position: relative;
  display: inline-block;
}

#contact h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--gradient-warm);
  border-radius: var(--radius-full);
}

#contact .grid-2 > div {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

#contact .grid-2 > div:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

#contact h3 {
  margin-top: 0;
  font-size: 1.15rem;
  color: var(--text-primary);
}

#contact h4 {
  color: var(--accent-gold);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 1.8em;
  margin-bottom: 0.6em;
}

#contact address p {
  font-size: 0.92rem;
  margin-bottom: 6px;
}

#contact ul {
  list-style: none;
  padding-left: 0;
}

#contact ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  font-size: 0.92rem;
  line-height: 1.7;
}

#contact ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-teal);
  font-weight: 700;
  font-size: 0.85em;
}

#sitemap {
  padding: 56px 24px !important;
  background: var(--bg-tertiary) !important;
  border-radius: var(--radius-xl) !important;
}

#sitemap h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.8em;
  position: relative;
  display: inline-block;
}

#sitemap h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--gradient-warm);
  border-radius: var(--radius-full);
}

#sitemap .grid-2 > div {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

#sitemap .grid-2 > div:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

#sitemap h3 {
  margin-top: 0;
  font-size: 1.15rem;
  color: var(--text-primary);
}

#sitemap ul {
  list-style: none;
  padding-left: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

#sitemap ul li {
  margin-bottom: 0;
}

#sitemap ul li a {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

#sitemap ul li a:hover {
  color: var(--accent-gold);
  background: rgba(233, 196, 106, 0.08);
  transform: translateX(4px);
  text-decoration: none;
}

footer {
  background: var(--gradient-hero) !important;
  color: #b8b8cc !important;
  padding: 56px 0 32px !important;
  margin-top: 56px !important;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-warm);
}

footer::after {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(233, 196, 106, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

footer h3 {
  color: #ffffff !important;
  font-size: 1.1rem;
  margin-top: 0;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

footer h3::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 32px;
  height: 3px;
  background: var(--gradient-warm);
  border-radius: var(--radius-full);
}

footer p {
  color: #b8b8cc;
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 8px;
}

footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

footer ul li {
  margin-bottom: 8px;
}

footer ul li a {
  color: #b8b8cc !important;
  font-size: 0.9rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: inline-block;
  position: relative;
  padding-left: 0;
}

footer ul li a::before {
  content: '→';
  position: absolute;
  left: -16px;
  opacity: 0;
  transition: opacity var(--transition-fast), left var(--transition-fast);
  color: var(--accent-gold);
}

footer ul li a:hover {
  color: var(--accent-gold) !important;
  padding-left: 8px;
  text-decoration: none;
}

footer ul li a:hover::before {
  opacity: 1;
  left: -8px;
}

footer hr {
  border-color: rgba(255, 255, 255, 0.08) !important;
  margin: 32px 0 !important;
}

footer > .container > p:last-of-type {
  text-align: center;
  font-size: 0.85rem;
  color: #8888a0;
  line-height: 1.8;
}

footer a[href="#"] {
  color: var(--accent-gold) !important;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border: 1px solid rgba(233, 196, 106, 0.3);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

footer a[href="#"]:hover {
  background: rgba(233, 196, 106, 0.1);
  border-color: var(--accent-gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(233, 196, 106, 0.2);
  text-decoration: none;
}

.svg-placeholder {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  min-height: 180px;
  width: 100%;
  border: 1px dashed var(--border-color);
}

@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  #hero h1 {
    font-size: 2rem;
  }

  nav[aria-label="主导航"] ul {
    gap: 2px !important;
  }

  nav[aria-label="主导航"] a {
    padding: 6px 10px;
    font-size: 0.85rem;
  }

  form[role="search"] input[type="search"] {
    width: 150px;
  }

  form[role="search"] input[type="search"]:focus {
    width: 180px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: auto;
  }

  .container {
    padding: 0 16px;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  header .container {
    flex-direction: column;
    gap: 12px;
    padding: 12px 16px;
  }

  header .container > div:first-child {
    width: 100%;
    justify-content: center;
  }

  nav[aria-label="主导航"] {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  nav[aria-label="主导航"]::-webkit-scrollbar {
    display: none;
  }

  nav[aria-label="主导航"] ul {
    flex-wrap: nowrap !important;
    justify-content: flex-start;
    padding-bottom: 4px;
    gap: 0 !important;
  }

  nav[aria-label="主导航"] a {
    white-space: nowrap;
    padding: 6px 12px;
    font-size: 0.82rem;
  }

  form[role="search"] {
    width: 100%;
    justify-content: center;
  }

  form[role="search"] input[type="search"] {
    flex: 1;
    width: auto;
    max-width: 260px;
  }

  form[role="search"] input[type="search"]:focus {
    width: auto;
    max-width: 260px;
  }

  nav[aria-label="面包屑"] {
    padding: 10px 16px !important;
    font-size: 0.82rem;
  }

  #hero {
    padding: 32px 0 20px !important;
  }

  #hero h1 {
    font-size: 1.6rem;
  }

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

  #hero > div[style*="border-radius: 16px"] {
    margin-top: 24px !important;
  }

  #hero svg {
    height: 180px;
  }

  #brand-intro,
  #solutions,
  #news,
  #howto,
  #contact {
    padding: 36px 0 !important;
  }

  #products,
  #cases,
  #articles,
  #faq,
  #sitemap {
    padding: 36px 16px !important;
  }

  #brand-intro .grid-2 > div,
  #solutions .grid-2 > div,
  #cases .grid-2 > div,
  #contact .grid-2 > div,
  #sitemap .grid-2 > div {
    padding: 24px;
  }

  #products article,
  #articles article {
    padding: 22px;
  }

  #news ul li {
    padding: 20px;
  }

  #howto ol > li {
    padding: 16px 18px 16px 60px;
  }

  #howto ol > li::before {
    left: 16px;
    width: 28px;
    height: 28px;
    font-size: 0.82rem;
  }

  #faq dt {
    padding: 16px 44px 16px 20px;
    font-size: 0.92rem;
  }

  #faq dd {
    padding: 16px 20px;
    font-size: 0.88rem;
  }

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

  footer {
    padding: 40px 0 24px !important;
    margin-top: 40px !important;
  }

  footer .grid-3 {
    gap: 28px;
  }

  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.35rem; }
  h3 { font-size: 1.15rem; }

  blockquote {
    padding: 16px 20px;
    margin: 1em 0;
  }

  table {
    font-size: 0.85rem;
  }

  th, td {
    padding: 8px 10px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }

  #hero h1 {
    font-size: 1.4rem;
  }

  #hero > p {
    font-size: 0.9rem;
  }

  #hero svg {
    height: 140px;
  }

  #brand-intro .grid-2 > div,
  #solutions .grid-2 > div,
  #cases .grid-2 > div,
  #contact .grid-2 > div,
  #sitemap .grid-2 > div {
    padding: 20px;
  }

  #products article,
  #articles article {
    padding: 18px;
  }

  #news ul li {
    padding: 16px;
  }

  #howto ol > li {
    padding: 14px 16px 14px 54px;
  }

  #howto ol > li::before {
    left: 14px;
    width: 26px;
    height: 26px;
    font-size: 0.78rem;
  }

  #faq dt {
    padding: 14px 40px 14px 16px;
    font-size: 0.88rem;
  }

  #faq dd {
    padding: 14px 16px;
    font-size: 0.85rem;
  }

  #sitemap ul li a {
    padding: 5px 10px;
    font-size: 0.85rem;
  }

  footer a[href="#"] {
    padding: 6px 16px;
    font-size: 0.85rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  section {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

@media print {
  header,
  footer,
  nav,
  form[role="search"],
  #hero > div[style*="border-radius: 16px"],
  a[href="#"] {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 12pt;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 0.8em;
    color: #666;
  }

  section {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  h1, h2, h3 {
    break-after: avoid;
    page-break-after: avoid;
  }
}