:root {
  --color-primary: #1f3a5f;
  --color-primary-light: #2b4a6f;
  --color-primary-dark: #14283f;
  --color-accent: #f2b134;
  --color-accent-soft: #f7cd6e;
  --color-bg: #f4f7fb;
  --color-bg-alt: #e7eef7;
  --color-surface: rgba(255, 255, 255, 0.72);
  --color-surface-solid: #ffffff;
  --color-text: #1c2733;
  --color-text-soft: #4a5a6b;
  --color-text-muted: #6b7c8f;
  --color-border: rgba(31, 58, 95, 0.14);
  --color-shadow: rgba(20, 40, 63, 0.12);
  --color-shadow-strong: rgba(20, 40, 63, 0.22);
  --gradient-hero: linear-gradient(135deg, #1f3a5f 0%, #2b4a6f 45%, #3a2f5f 100%);
  --gradient-accent: linear-gradient(135deg, #f2b134 0%, #f7cd6e 100%);
  --gradient-card: linear-gradient(160deg, rgba(255,255,255,0.85) 0%, rgba(231,238,247,0.65) 100%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --space-xs: 0.4rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.25rem;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --transition: 0.32s cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-height: 72px;
}

html[data-theme="dark"],
html.dark {
  --color-primary: #7fa7d6;
  --color-primary-light: #9dc0e8;
  --color-primary-dark: #0d1a29;
  --color-accent: #f2b134;
  --color-accent-soft: #f7cd6e;
  --color-bg: #0d1620;
  --color-bg-alt: #132131;
  --color-surface: rgba(23, 38, 54, 0.72);
  --color-surface-solid: #172636;
  --color-text: #e8eef6;
  --color-text-soft: #b7c6d6;
  --color-text-muted: #8ea0b3;
  --color-border: rgba(157, 192, 232, 0.18);
  --color-shadow: rgba(0, 0, 0, 0.4);
  --color-shadow-strong: rgba(0, 0, 0, 0.6);
  --gradient-hero: linear-gradient(135deg, #0d1a29 0%, #16283c 45%, #241d3d 100%);
  --gradient-card: linear-gradient(160deg, rgba(23,38,54,0.85) 0%, rgba(19,33,49,0.65) 100%);
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]):not(.light) {
    --color-primary: #7fa7d6;
    --color-primary-light: #9dc0e8;
    --color-primary-dark: #0d1a29;
    --color-bg: #0d1620;
    --color-bg-alt: #132131;
    --color-surface: rgba(23, 38, 54, 0.72);
    --color-surface-solid: #172636;
    --color-text: #e8eef6;
    --color-text-soft: #b7c6d6;
    --color-text-muted: #8ea0b3;
    --color-border: rgba(157, 192, 232, 0.18);
    --color-shadow: rgba(0, 0, 0, 0.4);
    --color-shadow-strong: rgba(0, 0, 0, 0.6);
    --gradient-hero: linear-gradient(135deg, #0d1a29 0%, #16283c 45%, #241d3d 100%);
    --gradient-card: linear-gradient(160deg, rgba(23,38,54,0.85) 0%, rgba(19,33,49,0.65) 100%);
  }
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(242, 177, 52, 0.10), transparent 42%),
    radial-gradient(circle at 88% 0%, rgba(43, 74, 111, 0.14), transparent 46%),
    radial-gradient(circle at 50% 100%, rgba(58, 47, 95, 0.10), transparent 55%);
  background-attachment: fixed;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

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

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

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

html[data-theme="dark"] a,
html.dark a {
  color: var(--color-primary-light);
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  margin: 0 0 var(--space-sm);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(1.7rem, 4.2vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.95rem); }
h3 { font-size: clamp(1.12rem, 2.2vw, 1.35rem); }
h4 { font-size: 1.05rem; }

p { margin: 0 0 var(--space-md); }

ul, ol {
  margin: 0 0 var(--space-md);
  padding-left: 1.4rem;
}

li { margin-bottom: 0.4rem; }

blockquote {
  margin: var(--space-md) 0;
  padding: var(--space-md) var(--space-lg);
  border-left: 4px solid var(--color-accent);
  background: var(--gradient-card);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 6px 20px var(--color-shadow);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0 var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 8px 28px var(--color-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.95rem;
}

caption {
  caption-side: top;
  text-align: left;
  padding: var(--space-sm) 0;
  font-weight: 600;
  color: var(--color-text-soft);
}

th, td {
  padding: 0.8rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

thead th {
  background: var(--gradient-hero);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.02em;
}

tbody tr {
  transition: background var(--transition);
}

tbody tr:hover {
  background: rgba(242, 177, 52, 0.10);
}

tbody tr:last-child td { border-bottom: none; }

details {
  margin-bottom: var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.25rem 1.1rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 16px var(--color-shadow);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

details:hover {
  box-shadow: 0 10px 30px var(--color-shadow-strong);
  border-color: rgba(242, 177, 52, 0.45);
}

details[open] {
  border-color: rgba(242, 177, 52, 0.55);
}

summary {
  cursor: pointer;
  padding: 0.9rem 0;
  font-weight: 600;
  color: var(--color-text);
  list-style: none;
  position: relative;
  padding-right: 2rem;
  transition: color var(--transition);
}

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

summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-accent);
  transition: transform var(--transition);
}

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

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

details p {
  color: var(--color-text-soft);
  padding-bottom: 0.4rem;
}

time {
  font-variant-numeric: tabular-nums;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

address {
  font-style: normal;
  background: var(--gradient-card);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 26px var(--color-shadow);
}

.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;
}

#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 24px var(--color-shadow);
  transition: background var(--transition), box-shadow var(--transition);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.6rem var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.brand:hover {
  transform: translateY(-2px) scale(1.02);
  color: var(--color-text);
}

.brand svg {
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px rgba(31, 58, 95, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
}

.brand:hover svg {
  transform: rotate(-6deg);
  box-shadow: 0 8px 22px rgba(242, 177, 52, 0.4);
}

.brand-text {
  background: linear-gradient(120deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

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

#main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
}

#main-nav li { margin: 0; }

#main-nav a {
  display: inline-block;
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  color: var(--color-text-soft);
  position: relative;
  transition: color var(--transition), background var(--transition), transform var(--transition);
}

#main-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width var(--transition);
}

#main-nav a:hover,
#main-nav a:focus-visible {
  color: var(--color-text);
  background: rgba(242, 177, 52, 0.14);
  transform: translateY(-1px);
}

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

#menu-toggle,
#theme-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface-solid);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 2px 10px var(--color-shadow);
}

#menu-toggle:hover,
#theme-toggle:hover {
  background: var(--gradient-accent);
  color: #1c2733;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(242, 177, 52, 0.45);
}

#theme-toggle {
  display: inline-block;
}

#site-search {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.3rem 0.25rem 0.9rem;
  box-shadow: 0 2px 12px var(--color-shadow);
  transition: box-shadow var(--transition), border-color var(--transition);
}

#site-search:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(242, 177, 52, 0.22);
}

#site-search input {
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--color-text);
  width: 170px;
  padding: 0.35rem 0;
}

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

#site-search button {
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: #1c2733;
  background: var(--gradient-accent);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  transition: transform var(--transition), box-shadow var(--transition);
}

#site-search button:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 14px rgba(242, 177, 52, 0.5);
}

#breadcrumb {
  max-width: 1240px;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md) 0;
}

#breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

#breadcrumb li {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

#breadcrumb li + li::before {
  content: "›";
  color: var(--color-accent);
  font-weight: 700;
}

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

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

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

main {
  max-width: 1240px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-md) var(--space-xl);
}

main > section {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 36px var(--color-shadow);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

main > section:hover {
  box-shadow: 0 18px 52px var(--color-shadow-strong);
  border-color: rgba(242, 177, 52, 0.3);
}

main > section > h2 {
  position: relative;
  padding-bottom: 0.6rem;
  margin-bottom: var(--space-md);
}

main > section > h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 4px;
  border-radius: 4px;
  background: var(--gradient-accent);
  transition: width var(--transition);
}

main > section:hover > h2::after {
  width: 120px;
}

#hero {
  background: var(--gradient-hero);
  color: #eef4fb;
  border: none;
  position: relative;
  overflow: hidden;
  padding: var(--space-xl) var(--space-lg);
}

#hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(242, 177, 52, 0.35), transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatGlow 12s ease-in-out infinite;
}

#hero::after {
  content: "";
  position: absolute;
  inset: auto auto -30% -15%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(127, 167, 214, 0.30), transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  animation: floatGlow 16s ease-in-out infinite reverse;
}

@keyframes floatGlow {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-24px, 24px, 0) scale(1.08); }
}

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

#hero h1 {
  color: #ffffff;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
  margin-bottom: var(--space-md);
}

.hero-lead {
  max-width: 860px;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  color: rgba(238, 244, 251, 0.9);
  line-height: 1.85;
}

.carousel {
  position: relative;
  margin: var(--space-lg) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.35);
}

.carousel .slide {
  display: none;
  animation: slideFade 0.6s ease both;
}

.carousel .slide:first-child {
  display: block;
}

.carousel .slide svg {
  width: 100%;
  height: auto;
  display: block;
}

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

.slide-caption {
  margin: 0;
  padding: 0.8rem var(--space-md);
  font-size: 0.95rem;
  color: #eef4fb;
  background: rgba(13, 26, 41, 0.55);
  letter-spacing: 0.02em;
}

.carousel-controls {
  position: absolute;
  right: 12px;
  bottom: 56px;
  display: flex;
  gap: 0.5rem;
}

.carousel-controls button {
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-family: inherit;
  font-size: 0.82rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all var(--transition);
}

.carousel-controls button:hover {
  background: var(--gradient-accent);
  color: #1c2733;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(242, 177, 52, 0.5);
}

.hero-stats {
  list-style: none;
  margin: var(--space-lg) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-sm);
}

.hero-stats li {
  margin: 0;
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  font-size: 0.9rem;
  color: rgba(238, 244, 251, 0.82);
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.hero-stats li:hover {
  transform: translateY(-5px);
  background: rgba(242, 177, 52, 0.16);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.hero-stats .num {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0 var(--space-lg);
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent), transparent);
}

.timeline li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-soft);
}

.timeline li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.62em;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gradient-accent);
  box-shadow: 0 0 0 4px rgba(242, 177, 52, 0.18);
  transition: transform var(--transition);
}

.timeline li:hover::before {
  transform: scale(1.25);
}

#products article,
#cases article,
#articles article {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 6px 22px var(--color-shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

#products article:hover,
#cases article:hover,
#articles article:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 44px var(--color-shadow-strong);
  border-color: rgba(242, 177, 52, 0.45);
}

#articles article h3 a {
  color: var(--color-text);
  position: relative;
}

#articles article h3 a::after {
  content: "→";
  margin-left: 0.4rem;
  color: var(--color-accent);
  opacity: 0;
  transform: translateX(-6px);
  display: inline-block;
  transition: opacity var(--transition), transform var(--transition);
}

#articles article:hover h3 a::after {
  opacity: 1;
  transform: translateX(0);
}

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

#products h4 {
  color: var(--color-primary);
  margin-top: var(--space-sm);
}

html[data-theme="dark"] #products h4,
html.dark #products h4 {
  color: var(--color-primary-light);
}

#products > ul,
#solutions ul,
#notice ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-sm);
  list-style: none;
  padding: 0;
}

#products > ul li,
#solutions ul li,
#notice ul li {
  margin: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--color-text-soft);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

#products > ul li:hover,
#solutions ul li:hover,
#notice ul li:hover {
  transform: translateY(-4px);
  border-color: rgba(242, 177, 52, 0.5);
  box-shadow: 0 12px 28px var(--color-shadow);
}

#products > ul li strong,
#solutions ul li strong,
#notice ul li strong {
  color: var(--color-accent);
}

.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.news-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.85rem var(--space-md);
  margin-bottom: var(--space-xs);
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  font-size: 0.95rem;
  color: var(--color-text-soft);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.news-list li:hover {
  transform: translateX(6px);
  border-color: rgba(242, 177, 52, 0.5);
  box-shadow: 0 8px 22px var(--color-shadow);
}

.news-list time {
  flex-shrink: 0;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(242, 177, 52, 0.14);
  padding: 0.1rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
}

#knowledge h3 {
  margin-top: var(--space-md);
  padding-left: 0.9rem;
  border-left: 4px solid var(--color-accent);
  color: var(--color-text);
}

#knowledge p {
  color: var(--color-text-soft);
}

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

#howto ol li {
  counter-increment: howto;
  position: relative;
  padding: var(--space-sm) var(--space-md) var(--space-sm) 3.2rem;
  margin-bottom: var(--space-sm);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-soft);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

#howto ol li::before {
  content: counter(howto);
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #1c2733;
  font-weight: 800;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(242, 177, 52, 0.4);
}

#howto ol li:hover {
  transform: translateX(6px);
  border-color: rgba(242, 177, 52, 0.5);
  box-shadow: 0 10px 26px var(--color-shadow);
}

#howto ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-sm);
}

#howto ul li {
  margin: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-soft);
  position: relative;
  padding-left: 2.2rem;
  transition: transform var(--transition), border-color var(--transition);
}

#howto ul li::before {
  content: "✓";
  position: absolute;
  left: 0.85rem;
  top: 0.7rem;
  color: var(--color-accent);
  font-weight: 800;
}

#howto ul li:hover {
  transform: translateY(-3px);
  border-color: rgba(242, 177, 52, 0.5);
}

#contact a {
  font-weight: 600;
}

#contact a:hover {
  text-decoration: underline;
}

#sitemap ul,
#links ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

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

#sitemap a,
#links a {
  display: inline-block;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-soft);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition);
}

#sitemap a:hover,
#links a:hover {
  background: var(--gradient-accent);
  color: #1c2733;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(242, 177, 52, 0.4);
}

#site-footer {
  background: var(--gradient-hero);
  color: rgba(238, 244, 251, 0.85);
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  margin-top: var(--space-xl);
  position: relative;
  overflow: hidden;
}

#site-footer::before {
  content: "";
  position: absolute;
  inset: -60% auto auto -10%;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(242, 177, 52, 0.18), transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.footer-meta {
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.footer-meta p {
  margin: 0 0 var(--space-sm);
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(238, 244, 251, 0.78);
}

.footer-meta a {
  color: var(--color-accent-soft);
}

.footer-meta a:hover {
  color: #ffffff;
  text-decoration: underline;
}

#privacy,
#disclaimer {
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-top: var(--space-sm);
}

#back-to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 90;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: #1c2733;
  background: var(--gradient-accent);
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px rgba(242, 177, 52, 0.45);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

#back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 14px 34px rgba(242, 177, 52, 0.6);
}

#back-to-top:active {
  transform: translateY(-1px) scale(0.98);
}

main > section,
#hero,
#products article,
#cases article,
#articles article,
.news-list li,
.hero-stats li,
.timeline li {
  animation: revealUp 0.7s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

@keyframes revealUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@media (max-width: 1024px) {
  .header-inner {
    gap: var(--space-sm);
  }
  #main-nav a {
    padding: 0.4rem 0.55rem;
    font-size: 0.88rem;
  }
  #site-search input {
    width: 130px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 64px;
  }
  .header-inner {
    padding: 0.5rem var(--space-sm);
  }
  #menu-toggle {
    display: inline-block;
    margin-left: auto;
  }
  #main-nav {
    flex-basis: 100%;
    order: 10;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }
  #main-nav.is-open {
    max-height: 520px;
    overflow-y: auto;
  }
  #main-nav ul {
    flex-direction: column;
    gap: 0.2rem;
    padding: var(--space-sm) 0;
  }
  #main-nav a {
    display: block;
    width: 100%;
    padding: 0.6rem 0.9rem;
    background: var(--color-surface-solid);
    border: 1px solid var(--color-border);
  }
  #site-search {
    order: 11;
    flex-basis: 100%;
    margin-left: 0;
    margin-top: var(--space-xs);
  }
  #site-search input {
    width: 100%;
    flex: 1 1 auto;
  }
  main > section {
    padding: var(--space-md);
  }
  #hero {
    padding: var(--space-lg) var(--space-md);
  }
  .carousel-controls {
    position: static;
    justify-content: flex-end;
    padding: 0 var(--space-md) var(--space-md);
    background: rgba(13, 26, 41, 0.55);
  }
  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 15px;
  }
  main {
    padding: var(--space-sm) var(--space-sm) var(--space-lg);
  }
  main > section {
    padding: var(--space-md) var(--space-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
  }
  #hero {
    padding: var(--space-lg) var(--space-sm);
    border-radius: var(--radius-md);
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stats li {
    padding: var(--space-sm) 0.4rem;
    font-size: 0.82rem;
  }
  #products article,
  #cases article,
  #articles article {
    padding: var(--space-sm) var(--space-md);
  }
  .news-list li {
    flex-direction: column;
    gap: 0.3rem;
  }
  blockquote {
    padding: var(--space-sm) var(--space-md);
  }
  address {
    padding: var(--space-sm) var(--space-md);
  }
  #back-to-top {
    right: 12px;
    bottom: 14px;
    padding: 0.55rem 0.9rem;
    font-size: 0.8rem;
  }
  #products > ul,
  #solutions ul,
  #notice ul,
  #howto ul {
    grid-template-columns: 1fr;
  }
}

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