:root {
  --brand: #E8A33D;
  --brand-strong: #D98E22;
  --brand-soft: #F7D9A8;
  --brand-glow: rgba(232, 163, 61, 0.35);
  --accent: #FF6F91;
  --accent-2: #7C5CFF;
  --success: #2FBF71;

  --bg: #FFF9F1;
  --bg-alt: #FFF3E3;
  --surface: #FFFFFF;
  --surface-glass: rgba(255, 255, 255, 0.62);
  --surface-glass-strong: rgba(255, 255, 255, 0.82);
  --border: rgba(232, 163, 61, 0.22);
  --border-strong: rgba(232, 163, 61, 0.4);

  --text: #2B2118;
  --text-soft: #5C4E40;
  --text-muted: #8A7A68;
  --text-invert: #FFFDF9;

  --shadow-sm: 0 2px 8px rgba(120, 82, 30, 0.08);
  --shadow-md: 0 10px 30px rgba(120, 82, 30, 0.12);
  --shadow-lg: 0 24px 60px rgba(120, 82, 30, 0.16);
  --shadow-brand: 0 12px 32px var(--brand-glow);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;

  --container: 1180px;
  --gutter: clamp(16px, 4vw, 40px);

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: "Songti SC", "Noto Serif SC", Georgia, "Times New Roman", serif;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur: 0.35s;
}

html[data-theme="dark"] {
  --bg: #14100C;
  --bg-alt: #1B1610;
  --surface: #221B14;
  --surface-glass: rgba(34, 27, 20, 0.62);
  --surface-glass-strong: rgba(34, 27, 20, 0.86);
  --border: rgba(232, 163, 61, 0.22);
  --border-strong: rgba(232, 163, 61, 0.45);

  --text: #F6EBDC;
  --text-soft: #D8C7B2;
  --text-muted: #A5937E;
  --text-invert: #1A140E;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.6);
  --shadow-brand: 0 12px 32px rgba(232, 163, 61, 0.28);
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --bg: #14100C;
    --bg-alt: #1B1610;
    --surface: #221B14;
    --surface-glass: rgba(34, 27, 20, 0.62);
    --surface-glass-strong: rgba(34, 27, 20, 0.86);
    --border: rgba(232, 163, 61, 0.22);
    --border-strong: rgba(232, 163, 61, 0.45);
    --text: #F6EBDC;
    --text-soft: #D8C7B2;
    --text-muted: #A5937E;
    --text-invert: #1A140E;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.6);
    --shadow-brand: 0 12px 32px rgba(232, 163, 61, 0.28);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

@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;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(1200px 600px at 8% -10%, rgba(232, 163, 61, 0.16), transparent 60%),
    radial-gradient(900px 520px at 100% 0%, rgba(124, 92, 255, 0.12), transparent 55%),
    radial-gradient(800px 500px at 50% 110%, rgba(255, 111, 145, 0.1), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

a {
  color: var(--brand-strong);
  text-decoration: none;
  transition: color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 3px;
  border-radius: 6px;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  line-height: 1.35;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

h1 { font-size: clamp(1.75rem, 4.2vw, 2.85rem); }
h2 { font-size: clamp(1.45rem, 3.2vw, 2.1rem); }
h3 { font-size: clamp(1.15rem, 2.4vw, 1.45rem); }
h4 { font-size: clamp(1.02rem, 1.8vw, 1.18rem); color: var(--text-soft); }

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

ul, ol {
  margin: 0 0 1.2em;
  padding-left: 1.35em;
  color: var(--text-soft);
}

li {
  margin-bottom: 0.45em;
}

li::marker {
  color: var(--brand);
}

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

blockquote {
  margin: 1.2em 0;
  padding: 1.1em 1.4em;
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

blockquote p {
  margin: 0;
  color: var(--text-soft);
  font-style: italic;
}

address {
  font-style: normal;
}

address p {
  margin-bottom: 0.5em;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

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

#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 12px var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.5vw, 28px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text);
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.logo svg {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow-brand);
  transition: transform var(--dur) var(--ease-spring), box-shadow var(--dur) var(--ease);
}

.logo:hover svg,
.logo:focus-visible svg {
  transform: rotate(-6deg) scale(1.08);
  box-shadow: 0 16px 36px var(--brand-glow);
}

.logo-text {
  background: linear-gradient(120deg, var(--brand-strong), var(--accent) 70%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}

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

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

#main-nav li {
  margin: 0;
}

#main-nav a {
  display: inline-block;
  padding: 7px 12px;
  border-radius: var(--radius-pill);
  color: var(--text-soft);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

#main-nav a:hover,
#main-nav a:focus-visible {
  color: var(--brand-strong);
  background: rgba(232, 163, 61, 0.14);
  transform: translateY(-1px);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

#site-search {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 4px 4px 4px 14px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

#site-search:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-glow);
}

#search-input {
  width: clamp(110px, 14vw, 180px);
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.88rem;
  padding: 6px 0;
  outline: none;
}

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

#site-search button {
  border: 0;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-invert);
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  transition: filter var(--dur) var(--ease), transform var(--dur) var(--ease);
}

#site-search button:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

#theme-toggle,
#menu-toggle {
  border: 1px solid var(--border);
  background: var(--surface-glass-strong);
  color: var(--text-soft);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

#theme-toggle:hover,
#menu-toggle:hover {
  color: var(--brand-strong);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

#menu-toggle {
  display: none;
}

#breadcrumb {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px var(--gutter) 0;
}

#breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.84rem;
  color: var(--text-muted);
}

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

#breadcrumb li + li::before {
  content: "/";
  color: var(--border-strong);
}

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

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

#breadcrumb [aria-current="page"] {
  color: var(--brand-strong);
  font-weight: 700;
}

main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(40px, 8vw, 80px);
}

main > section {
  margin-top: clamp(28px, 5vw, 56px);
  padding: clamp(22px, 4vw, 44px);
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

main > section::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent), var(--accent-2), var(--brand));
  background-size: 300% 100%;
  opacity: 0.75;
  animation: brandShift 9s linear infinite;
}

main > section:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
}

@keyframes brandShift {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

#hero {
  margin-top: clamp(20px, 3vw, 32px);
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  border-radius: var(--radius-xl);
  overflow: visible;
}

#hero::before {
  display: none;
}

#hero:hover {
  box-shadow: none;
}

.hero-slides {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: clamp(28px, 5vw, 64px);
  background:
    linear-gradient(135deg, rgba(232, 163, 61, 0.95) 0%, rgba(255, 111, 145, 0.9) 52%, rgba(124, 92, 255, 0.92) 100%);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.18) inset;
  isolation: isolate;
}

.hero-slides::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(closest-side, rgba(255, 255, 255, 0.55), transparent 70%) 12% 18% / 46% 46% no-repeat,
    radial-gradient(closest-side, rgba(255, 255, 255, 0.35), transparent 70%) 88% 82% / 52% 52% no-repeat;
  animation: heroFloat 16s ease-in-out infinite alternate;
  z-index: -1;
  opacity: 0.85;
}

.hero-slides::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 30% 20%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 30% 20%, #000 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

@keyframes heroFloat {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(3%, -4%, 0) scale(1.08); }
}

.slide {
  display: none;
  animation: slideIn 0.6s var(--ease) both;
}

.slide.is-active {
  display: block;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide h1,
.slide h2 {
  color: #FFFDF9;
  text-shadow: 0 2px 20px rgba(60, 30, 0, 0.28);
  margin-bottom: 0.5em;
}

.slide h1 {
  font-size: clamp(1.7rem, 4.4vw, 2.9rem);
  line-height: 1.28;
}

.slide p {
  color: rgba(255, 253, 249, 0.94);
  font-size: clamp(0.95rem, 1.6vw, 1.08rem);
  max-width: 62ch;
  text-shadow: 0 1px 12px rgba(60, 30, 0, 0.22);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 1.4em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: #3A2408;
  background: #FFFDF9;
  border: 1px solid transparent;
  box-shadow: 0 10px 26px rgba(60, 30, 0, 0.22);
  transition: transform var(--dur) var(--ease-spring), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.btn:hover,
.btn:focus-visible {
  color: #3A2408;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 18px 38px rgba(60, 30, 0, 0.3);
}

.btn:active {
  transform: translateY(-1px) scale(0.99);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.14);
  color: #FFFDF9;
  border-color: rgba(255, 255, 255, 0.6);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: none;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  color: #3A2408;
  background: #FFFDF9;
  border-color: #FFFDF9;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}

.carousel-dots button {
  width: 34px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-pill);
  cursor: pointer;
  background: var(--border-strong);
  transition: background var(--dur) var(--ease), width var(--dur) var(--ease-spring), box-shadow var(--dur) var(--ease);
}

.carousel-dots button:hover {
  background: var(--brand);
}

.carousel-dots button[aria-selected="true"] {
  width: 52px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  box-shadow: 0 6px 18px var(--brand-glow);
}

#stats {
  text-align: center;
}

#stats h2 {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.stat-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(12px, 2vw, 22px);
  margin: 0 0 1em;
  padding: 0;
  list-style: none;
}

.stat-list li {
  margin: 0;
  padding: clamp(16px, 2.6vw, 26px) 12px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--surface-glass-strong), rgba(232, 163, 61, 0.12));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease-spring), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.stat-list li:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md), var(--shadow-brand);
}

.stat-num {
  display: block;
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--brand-strong), var(--accent) 60%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}

.stat-num::after {
  content: "+";
  font-size: 0.55em;
  vertical-align: super;
  margin-left: 2px;
  -webkit-text-fill-color: var(--brand);
  color: var(--brand);
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.stats-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

main > section > h2 {
  display: inline-block;
  position: relative;
  padding-bottom: 10px;
}

main > section > h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--brand), var(--accent));
}

main > section > h3 {
  margin-top: 1.6em;
  padding-left: 14px;
  border-left: 4px solid var(--brand);
  border-radius: 2px;
}

main > section > h4 {
  margin-top: 1.4em;
}

#brand ul,
#solutions ul,
#knowledge ul,
#howto ul {
  display: grid;
  gap: 8px;
  padding-left: 0;
  list-style: none;
}

#brand ul li,
#solutions ul li,
#knowledge ul li,
#howto ul li {
  position: relative;
  padding: 10px 14px 10px 38px;
  border-radius: var(--radius-md);
  background: var(--surface-glass-strong);
  border: 1px solid var(--border);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

#brand ul li::before,
#solutions ul li::before,
#knowledge ul li::before,
#howto ul li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 1.15em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: 0 0 0 4px rgba(232, 163, 61, 0.16);
  transition: transform var(--dur) var(--ease-spring);
}

#brand ul li:hover,
#solutions ul li:hover,
#knowledge ul li:hover,
#howto ul li:hover {
  transform: translateX(4px);
  border-color: var(--border-strong);
  background: var(--surface-glass);
}

#brand ul li:hover::before,
#solutions ul li:hover::before,
#knowledge ul li:hover::before,
#howto ul li:hover::before {
  transform: scale(1.35);
}

#about address {
  margin-top: 1em;
  padding: clamp(16px, 3vw, 24px);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(232, 163, 61, 0.14), rgba(124, 92, 255, 0.1));
  border: 1px solid var(--border);
}

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

.news-list {
  display: grid;
  gap: 16px;
  margin: 0 0 1em;
  padding: 0;
  list-style: none;
}

.news-list li {
  margin: 0;
  padding: clamp(16px, 3vw, 24px);
  border-radius: var(--radius-lg);
  background: var(--surface-glass-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.news-list li:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.news-list h3 {
  margin: 0 0 6px;
  border: 0;
  padding: 0;
  font-size: clamp(1.02rem, 1.9vw, 1.2rem);
}

.news-list h3 a {
  color: var(--text);
}

.news-list h3 a:hover {
  color: var(--brand-strong);
}

.news-list p:last-child {
  margin-bottom: 0;
}

.meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  margin-bottom: 0.6em;
}

.update-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
}

#articles > article {
  margin-bottom: 18px;
  padding: clamp(16px, 3vw, 26px);
  border-radius: var(--radius-lg);
  background: var(--surface-glass-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

#articles > article:hover {
  transform: translateY(-5px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

#articles > article h3 {
  margin-top: 0;
  border: 0;
  padding: 0;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

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

#articles > article h3 a:hover {
  color: var(--brand-strong);
}

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

#articles > article p:last-child a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(232, 163, 61, 0.14);
  color: var(--brand-strong);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

#articles > article p:last-child a::after {
  content: "→";
  transition: transform var(--dur) var(--ease);
}

#articles > article p:last-child a:hover {
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff;
}

#articles > article p:last-child a:hover::after {
  transform: translateX(4px);
}

#faq details {
  margin-bottom: 12px;
  border-radius: var(--radius-lg);
  background: var(--surface-glass-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

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

#faq details[open] {
  border-color: var(--brand);
  box-shadow: var(--shadow-md), 0 0 0 4px var(--brand-glow);
}

#faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 52px 16px 20px;
  position: relative;
  font-weight: 700;
  color: var(--text);
  font-size: clamp(0.95rem, 1.7vw, 1.05rem);
  line-height: 1.6;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

#faq summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-strong);
  background: rgba(232, 163, 61, 0.16);
  transition: transform var(--dur) var(--ease-spring), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

#faq details[open] summary {
  background: rgba(232, 163, 61, 0.1);
  color: var(--brand-strong);
}

#faq details[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: #fff;
}

#faq summary:hover {
  background: rgba(232, 163, 61, 0.08);
}

#faq details > p {
  margin: 0;
  padding: 4px 20px 20px;
  animation: fadeIn 0.4s var(--ease) both;
}

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

#cases blockquote {
  position: relative;
  padding-left: 3.2em;
}

#cases blockquote::before {
  content: "“";
  position: absolute;
  left: 0.4em;
  top: 0.05em;
  font-family: var(--font-serif);
  font-size: 3.4rem;
  line-height: 1;
  color: var(--brand);
  opacity: 0.55;
}

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

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

#sitemap a,
#links a {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--surface-glass-strong);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 0.88rem;
  font-weight: 600;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease-spring);
}

#sitemap a:hover,
#links a:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  border-color: transparent;
  transform: translateY(-2px);
}

#privacy p,
#disclaimer p {
  font-size: 0.94rem;
}

#site-footer {
  margin-top: clamp(30px, 6vw, 70px);
  background:
    linear-gradient(160deg, rgba(232, 163, 61, 0.16), rgba(124, 92, 255, 0.12)),
    var(--bg-alt);
  border-top: 1px solid var(--border);
  position: relative;
}

#site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent), var(--accent-2));
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(28px, 5vw, 52px) var(--gutter);
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(20px, 4vw, 44px);
  align-items: start;
}

.footer-brand p {
  margin: 0 0 6px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-brand p:first-child {
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 12px;
}

.footer-brand strong {
  background: linear-gradient(120deg, var(--brand-strong), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 900;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-content: start;
}

.footer-links a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-soft);
  position: relative;
  padding-bottom: 2px;
}

.footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  transition: width var(--dur) var(--ease);
}

.footer-links a:hover {
  color: var(--brand-strong);
}

.footer-links a:hover::after {
  width: 100%;
}

.footer-copy p {
  margin: 0 0 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.7;
}

#back-to-top {
  position: fixed;
  right: clamp(14px, 3vw, 30px);
  bottom: clamp(14px, 3vw, 30px);
  z-index: 90;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-pill);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 800;
  color: #3A2408;
  cursor: pointer;
  background: linear-gradient(135deg, var(--brand-soft), var(--brand));
  box-shadow: var(--shadow-brand);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.94);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease-spring), visibility var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

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

#back-to-top:hover {
  box-shadow: 0 18px 40px var(--brand-glow);
  transform: translateY(-3px) scale(1.04);
}

#back-to-top:active {
  transform: translateY(0) scale(0.98);
}

.js-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}

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

@media (prefers-reduced-motion: reduce) {
  .js-reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  #main-nav a {
    padding: 6px 9px;
    font-size: 0.85rem;
  }
  #search-input {
    width: 120px;
  }
}

@media (max-width: 920px) {
  html {
    scroll-padding-top: 84px;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 10px;
  }

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

  #main-nav {
    order: 3;
    flex-basis: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s var(--ease), opacity 0.3s var(--ease), margin 0.3s var(--ease);
  }

  #main-nav.is-open {
    max-height: 520px;
    opacity: 1;
    margin-top: 6px;
    overflow-y: auto;
  }

  #main-nav ul {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 10px;
  }

  #main-nav a {
    display: block;
    padding: 10px 14px;
    font-size: 0.92rem;
    border-radius: var(--radius-md);
  }

  .header-tools {
    margin-left: auto;
  }

  #site-search {
    padding-left: 10px;
  }

  #search-input {
    width: clamp(90px, 24vw, 150px);
  }

  .stat-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer-copy {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
    line-height: 1.8;
  }

  .header-inner {
    padding: 10px var(--gutter);
  }

  .logo svg {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .logo-text {
    font-size: 1rem;
  }

  #site-search {
    display: none;
  }

  #theme-toggle,
  #menu-toggle {
    padding: 7px 12px;
    font-size: 0.78rem;
  }

  #breadcrumb {
    padding-top: 10px;
  }

  main > section {
    border-radius: var(--radius-lg);
    padding: 18px 16px;
  }

  #hero {
    padding: 0;
  }

  .hero-slides {
    border-radius: var(--radius-lg);
    padding: 26px 18px 30px;
  }

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

  .btn {
    width: 100%;
    padding: 13px 20px;
  }

  .carousel-dots button {
    width: 26px;
    height: 7px;
  }

  .carousel-dots button[aria-selected="true"] {
    width: 40px;
  }

  .stat-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .stat-list li {
    padding: 14px 8px;
  }

  .stat-label {
    font-size: 0.76rem;
  }

  main > section > h3 {
    padding-left: 10px;
    border-left-width: 3px;
  }

  #brand ul li,
  #solutions ul li,
  #knowledge ul li,
  #howto ul li {
    padding: 9px 12px 9px 32px;
  }

  #brand ul li::before,
  #solutions ul li::before,
  #knowledge ul li::before,
  #howto ul li::before {
    left: 11px;
    width: 8px;
    height: 8px;
  }

  #faq summary {
    padding: 14px 46px 14px 14px;
  }

  #faq summary::after {
    right: 12px;
    width: 24px;
    height: 24px;
  }

  #faq details > p {
    padding: 2px 14px 16px;
  }

  #cases blockquote {
    padding-left: 2.4em;
  }

  #cases blockquote::before {
    font-size: 2.6rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .footer-links {
    gap: 8px 16px;
  }

  #back-to-top {
    padding: 10px 14px;
    font-size: 0.78rem;
  }
}

@media (max-width: 380px) {
  .stat-list {
    grid-template-columns: 1fr;
  }
  .logo-text {
    display: none;
  }
}

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