:root {
  --brand: #d94f2b;
  --brand-dark: #b83d1f;
  --brand-light: #ff7a52;
  --accent: #ffd166;
  --teal: #2a9d8f;
  --coral: #e76f51;
  --navy: #264653;
  --bg: #fdf8f5;
  --bg-alt: #fff;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --text: #2b2118;
  --text-soft: #6b5d52;
  --text-muted: #9a8d82;
  --border: rgba(217, 79, 43, 0.14);
  --shadow-sm: 0 2px 8px rgba(120, 60, 30, 0.06);
  --shadow-md: 0 8px 28px rgba(120, 60, 30, 0.1);
  --shadow-lg: 0 16px 48px rgba(120, 60, 30, 0.16);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 26px;
  --header-h: 72px;
  --gradient-hero: linear-gradient(135deg, #fff1e8 0%, #ffe0cf 40%, #ffd6c2 100%);
  --gradient-brand: linear-gradient(135deg, #d94f2b 0%, #ff7a52 100%);
  --gradient-soft: linear-gradient(135deg, #fff7f2 0%, #ffece0 100%);
  --glass-blur: 16px;
  --transition: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

html[data-theme="dark"] {
  --brand: #ff7a52;
  --brand-dark: #e85e36;
  --brand-light: #ff9a78;
  --accent: #ffd166;
  --teal: #4ecdc4;
  --coral: #ff8a6b;
  --navy: #a8c6d8;
  --bg: #14100e;
  --bg-alt: #1c1714;
  --surface: rgba(40, 32, 28, 0.72);
  --surface-solid: #241d19;
  --text: #f5ede7;
  --text-soft: #c9bcb2;
  --text-muted: #948a82;
  --border: rgba(255, 122, 82, 0.18);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.42);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.55);
  --gradient-hero: linear-gradient(135deg, #2a1a14 0%, #3a2219 45%, #4a2a1d 100%);
  --gradient-brand: linear-gradient(135deg, #ff7a52 0%, #ff9a78 100%);
  --gradient-soft: linear-gradient(135deg, #241d19 0%, #2d231d 100%);
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  background-image: radial-gradient(circle at 12% 8%, rgba(217, 79, 43, 0.06), transparent 42%),
    radial-gradient(circle at 88% 22%, rgba(42, 157, 143, 0.05), transparent 40%);
  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(--brand);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

h1 { font-size: clamp(1.8rem, 4.2vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.5rem); }
h4 { font-size: 1.1rem; }

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

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.3em;
  color: var(--text-soft);
}

li { margin-bottom: 0.4em; }

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

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

blockquote {
  margin: 0 0 1em;
  padding: 1em 1.4em;
  border-left: 4px solid var(--brand);
  background: var(--gradient-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-soft);
  font-style: italic;
}

blockquote p { margin: 0; }

address { font-style: normal; }

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

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

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

/* ============ HEADER ============ */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--surface);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), box-shadow var(--transition);
}

.header-inner {
  max-width: 1240px;
  height: 100%;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 32px);
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text);
  font-weight: 800;
}

.brand-logo svg {
  flex-shrink: 0;
  transition: transform var(--transition);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(217, 79, 43, 0.3);
}

.brand-logo:hover svg {
  transform: rotate(-8deg) scale(1.06);
}

.brand-name {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

#main-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.2vw, 18px);
  margin: 0;
  padding: 0;
  list-style: none;
  flex-wrap: nowrap;
  justify-content: center;
}

#main-nav li { margin: 0; }

#main-nav a {
  position: relative;
  display: inline-block;
  padding: 8px 4px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-soft);
  white-space: nowrap;
}

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

#main-nav a:hover,
#main-nav a:focus-visible {
  color: var(--brand);
}

#main-nav a:hover::after,
#main-nav a:focus-visible::after {
  width: 100%;
}

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

#search-form {
  display: flex;
  align-items: center;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 3px 3px 14px;
  transition: box-shadow var(--transition), border-color var(--transition);
}

#search-form:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(217, 79, 43, 0.14);
}

#search-input {
  width: 150px;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
  padding: 6px 4px;
  outline: none;
  transition: width var(--transition);
}

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

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

#search-form button {
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-brand);
  border-radius: 999px;
  padding: 7px 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}

#search-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(217, 79, 43, 0.34);
}

#theme-toggle,
#menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg-alt);
  color: var(--text);
  font-size: 1.05rem;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

#theme-toggle:hover,
#menu-toggle:hover {
  transform: translateY(-2px) rotate(6deg);
  box-shadow: var(--shadow-md);
}

#menu-toggle { display: none; }

/* ============ BREADCRUMB ============ */
.breadcrumb {
  max-width: 1240px;
  margin: 0 auto;
  padding: 18px clamp(16px, 3vw, 32px) 0;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.breadcrumb li { margin: 0; display: flex; align-items: center; }

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

.breadcrumb a { color: var(--text-soft); }
.breadcrumb a:hover { color: var(--brand); }

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

/* ============ HERO ============ */
.hero {
  position: relative;
  max-width: 1240px;
  margin: 20px auto 0;
  padding: 0 clamp(16px, 3vw, 32px);
}

.hero-slider {
  position: relative;
  min-height: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gradient-hero);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.hero-slider::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 15%, rgba(255, 209, 102, 0.35), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(42, 157, 143, 0.18), transparent 50%);
  pointer-events: none;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  gap: clamp(20px, 4vw, 48px);
  padding: clamp(28px, 5vw, 56px);
  opacity: 0;
  visibility: hidden;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease, visibility 0.6s;
  pointer-events: none;
}

.slide.active {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
}

.slide-text { flex: 1 1 55%; min-width: 0; }

.slide-text h1,
.slide-text h2 {
  margin-bottom: 0.5em;
  text-shadow: 0 2px 20px rgba(255, 255, 255, 0.35);
}

.slide-text p {
  font-size: clamp(0.92rem, 1.5vw, 1.05rem);
  max-width: 56ch;
  color: var(--text-soft);
}

.slide-media {
  flex: 0 1 40%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.slide-media svg {
  width: 100%;
  max-width: 440px;
  filter: drop-shadow(0 20px 40px rgba(217, 79, 43, 0.22));
  border-radius: var(--radius);
  animation: floatY 6s ease-in-out infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  background: var(--gradient-brand);
  box-shadow: 0 8px 24px rgba(217, 79, 43, 0.34);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.btn-primary::after {
  content: "→";
  transition: transform var(--transition);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(217, 79, 43, 0.44);
  filter: brightness(1.05);
}

.btn-primary:hover::after { transform: translateX(4px); }

.slider-controls {
  position: absolute;
  right: clamp(20px, 4vw, 48px);
  bottom: clamp(18px, 3vw, 32px);
  display: flex;
  gap: 10px;
  z-index: 5;
}

.slider-controls button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--brand-dark);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.slider-controls button:hover {
  background: var(--brand);
  color: #fff;
  transform: scale(1.12);
  box-shadow: 0 8px 20px rgba(217, 79, 43, 0.4);
}

/* ============ STATS ============ */
.stats {
  max-width: 1240px;
  margin: 40px auto 0;
  padding: 0 clamp(16px, 3vw, 32px);
}

.stats h2 {
  text-align: center;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  margin-bottom: 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 2vw, 24px);
}

.stat-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(20px, 3vw, 32px) 12px;
  border-radius: var(--radius);
  background: var(--surface);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.stat-item::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.stat-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand);
}

.stat-item:hover::before { transform: scaleX(1); }

.stat-number {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  font-weight: 900;
  line-height: 1.1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

/* ============ SECTION BASE ============ */
.section {
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(48px, 7vw, 80px) clamp(16px, 3vw, 32px);
}

.section > h2 {
  position: relative;
  padding-left: 18px;
  margin-bottom: 1em;
}

.section > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 6px;
  border-radius: 6px;
  background: var(--gradient-brand);
}

.section h3 {
  margin-top: 1.6em;
  color: var(--text);
}

.section h3:first-of-type { margin-top: 0.6em; }

/* ============ TIMELINE ============ */
.timeline {
  list-style: none;
  padding: 0;
  margin: 1em 0;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(var(--brand), var(--accent));
  border-radius: 2px;
}

.timeline li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 0.9em;
  transition: transform var(--transition);
}

.timeline li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.55em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--brand);
  box-shadow: 0 0 0 3px rgba(217, 79, 43, 0.12);
  transition: background var(--transition), transform var(--transition);
}

.timeline li:hover { transform: translateX(4px); }
.timeline li:hover::before { background: var(--brand); transform: scale(1.15); }

/* ============ PRODUCT GRID ============ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: clamp(16px, 2.4vw, 26px);
  margin: 1.4em 0;
}

.product-card {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--radius);
  background: var(--surface);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.product-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-soft);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
  z-index: 0;
}

.product-card > * { position: relative; z-index: 1; }

.product-card svg {
  margin-bottom: 16px;
  border-radius: 12px;
  transition: transform var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand);
}

.product-card:hover::after { opacity: 1; }
.product-card:hover svg { transform: scale(1.08) rotate(-4deg); }

.product-card h4 {
  margin-bottom: 0.5em;
  color: var(--text);
}

.product-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-soft);
}

/* ============ ADVANTAGE LIST ============ */
.advantage-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px 24px;
  list-style: none;
  padding: 0;
  margin: 1.2em 0;
}

.advantage-list li {
  position: relative;
  padding: 14px 18px 14px 44px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.advantage-list li::before {
  content: "✓";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 900;
}

.advantage-list li:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand);
}

/* ============ CASES / QUOTES ============ */
#cases blockquote {
  border-left-color: var(--teal);
  background: linear-gradient(135deg, rgba(42, 157, 143, 0.08), rgba(42, 157, 143, 0.02));
}

#cases blockquote:nth-of-type(2) { border-left-color: var(--coral); }
#cases blockquote:nth-of-type(3) { border-left-color: var(--accent); }

/* ============ NEWS LIST ============ */
.news-list {
  list-style: none;
  padding: 0;
  margin: 1em 0;
  display: grid;
  gap: 12px;
}

.news-list li {
  position: relative;
  padding: 16px 20px 16px 20px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  color: var(--text-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.news-list li time {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--gradient-soft);
  color: var(--brand);
  font-weight: 700;
  font-size: 0.78rem;
  border: 1px solid var(--border);
}

.news-list li:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand);
}

/* ============ ARTICLE GRID ============ */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: clamp(16px, 2.4vw, 26px);
  margin: 1.4em 0;
}

.article-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--radius);
  background: var(--surface);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.article-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand);
}

.article-card:hover::before { transform: scaleX(1); }

.article-card h3 {
  margin-top: 0;
  margin-bottom: 0.4em;
  font-size: 1.1rem;
  transition: color var(--transition);
}

.article-card:hover h3 { color: var(--brand); }

.article-card .meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.7em;
}

.article-card p {
  font-size: 0.9rem;
  flex: 1;
}

.article-card a {
  align-self: flex-start;
  margin-top: 6px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition), color var(--transition);
}

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

.article-card a:hover { gap: 8px; }
.article-card a:hover::after { transform: translateX(3px); }

/* ============ HOWTO ============ */
#howto ol {
  counter-reset: step;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}

#howto ol li {
  counter-increment: step;
  position: relative;
  padding: 16px 20px 16px 60px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

#howto ol li::before {
  content: counter(step);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(217, 79, 43, 0.3);
}

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

#howto ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 8px;
}

#howto ul li {
  position: relative;
  padding-left: 24px;
}

#howto ul li::before {
  content: "•";
  position: absolute;
  left: 6px;
  color: var(--brand);
  font-weight: 900;
  font-size: 1.2em;
}

/* ============ FAQ ============ */
.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 1em;
}

.faq-list details {
  border-radius: var(--radius-sm);
  background: var(--surface);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.faq-list details[open] {
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
}

.faq-list details:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.faq-list summary {
  position: relative;
  padding: 16px 52px 16px 20px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition), background var(--transition);
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-soft);
  color: var(--brand);
  font-size: 1.15rem;
  font-weight: 700;
  border: 1px solid var(--border);
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.faq-list details[open] summary {
  color: var(--brand);
  background: var(--gradient-soft);
}

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

.faq-list details p {
  margin: 0;
  padding: 0 20px 18px;
  font-size: 0.92rem;
  animation: fadeSlide 0.35s ease;
}

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

/* ============ TEAM ============ */
.team-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  margin: 1.2em 0;
}

.team-list li {
  position: relative;
  padding: 18px 20px 18px 58px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  font-size: 0.92rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.team-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gradient-brand);
  box-shadow: 0 0 0 4px rgba(217, 79, 43, 0.12);
}

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

/* ============ CONTACT ============ */
#contact address {
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--radius);
  background: var(--surface);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.4em;
}

#contact address p {
  margin-bottom: 0.6em;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

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

#contact address a {
  font-weight: 700;
  border-bottom: 1px dashed var(--brand);
}

#contact address a:hover { border-bottom-style: solid; }

/* ============ SITEMAP ============ */
.sitemap-list,
.friend-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 1em 0;
}

.sitemap-list li,
.friend-links li { margin: 0; }

.sitemap-list a,
.friend-links a {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
}

.sitemap-list a:hover,
.friend-links a:hover {
  color: #fff;
  background: var(--gradient-brand);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(217, 79, 43, 0.32);
}

/* ============ FOOTER ============ */
#site-footer {
  margin-top: 40px;
  padding: clamp(40px, 6vw, 64px) 0 24px;
  background: var(--gradient-soft);
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

#site-footer::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 79, 43, 0.12), transparent 70%);
  pointer-events: none;
}

.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 32px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(24px, 4vw, 40px);
}

.footer-inner section h2 {
  font-size: 1.05rem;
  margin-bottom: 0.7em;
  position: relative;
  padding-bottom: 8px;
}

.footer-inner section h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  border-radius: 3px;
  background: var(--gradient-brand);
}

.footer-inner section p {
  font-size: 0.88rem;
  color: var(--text-soft);
}

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

.footer-inner ul li { margin-bottom: 0.5em; }

.footer-inner ul a {
  font-size: 0.88rem;
  color: var(--text-soft);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition), transform var(--transition);
}

.footer-inner ul a::before {
  content: "›";
  color: var(--brand);
  font-weight: 900;
}

.footer-inner ul a:hover {
  color: var(--brand);
  transform: translateX(4px);
}

.copyright-line {
  grid-column: 1 / -1;
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: 1px dashed var(--border);
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ============ BACK TO TOP ============ */
#back-to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 900;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(217, 79, 43, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition), box-shadow var(--transition);
}

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

#back-to-top:hover {
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 14px 32px rgba(217, 79, 43, 0.5);
}

/* ============ SCROLL REVEAL ============ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}

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

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  #main-nav ul { gap: 2px; }
  #main-nav a { font-size: 0.82rem; padding: 8px 3px; }
  #search-input { width: 110px; }
  #search-input:focus { width: 140px; }
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }

  .header-inner { gap: 10px; }

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

  #main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--surface);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  #main-nav.open { max-height: 480px; overflow-y: auto; }

  #main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
  }

  #main-nav a {
    display: block;
    padding: 12px 10px;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
  }

  #main-nav a::after { display: none; }
  #main-nav a:hover { background: var(--gradient-soft); }

  #search-form { display: none; }

  .hero-slider { min-height: 0; }

  .slide {
    position: relative;
    flex-direction: column;
    text-align: center;
    padding: 32px 22px 88px;
  }

  .slide:not(.active) { display: none; }

  .slide-text { flex: 1 1 auto; }
  .slide-text p { margin-left: auto; margin-right: auto; }
  .slide-media { flex: 0 1 auto; width: 100%; }
  .slide-media svg { max-width: 320px; }

  .slider-controls {
    right: 50%;
    transform: translateX(50%);
    bottom: 20px;
  }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  body { font-size: 15px; }

  .brand-name { font-size: 1rem; }

  #theme-toggle,
  #menu-toggle { width: 36px; height: 36px; font-size: 0.95rem; }

  .brand-logo svg { width: 34px; height: 34px; }

  .stats-grid { gap: 10px; }
  .stat-item { padding: 18px 8px; }

  .product-grid,
  .article-grid { grid-template-columns: 1fr; }

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

  .btn-primary { width: 100%; justify-content: center; }

  #back-to-top { width: 42px; height: 42px; font-size: 1.1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  #site-header, #back-to-top, .slider-controls, #theme-toggle, #menu-toggle { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding: 12px 0; }
}