:root {
  --color-bg: #f5f6fa;
  --color-bg-alt: #ffffff;
  --color-bg-elevated: rgba(255, 255, 255, 0.72);
  --color-bg-glass: rgba(255, 255, 255, 0.55);
  --color-bg-glass-strong: rgba(255, 255, 255, 0.82);
  --color-text: #1a1a2e;
  --color-text-secondary: #4a4a6a;
  --color-text-muted: #7a7a9a;
  --color-heading: #12122a;
  --color-primary: #e94560;
  --color-primary-dark: #c9304a;
  --color-primary-light: #ff6b82;
  --color-accent: #f9a826;
  --color-accent-dark: #d98a0e;
  --color-navy: #1a1a2e;
  --color-navy-light: #16213e;
  --color-blue: #0f3460;
  --color-border: rgba(26, 26, 46, 0.1);
  --color-border-strong: rgba(26, 26, 46, 0.18);
  --color-shadow: rgba(26, 26, 46, 0.08);
  --color-shadow-lg: rgba(26, 26, 46, 0.14);
  --color-overlay: rgba(26, 26, 46, 0.5);
  --gradient-primary: linear-gradient(135deg, #e94560 0%, #f9a826 100%);
  --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 55%, #0f3460 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.6) 100%);
  --gradient-footer: linear-gradient(180deg, #1a1a2e 0%, #12122a 100%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px var(--color-shadow);
  --shadow-md: 0 6px 24px var(--color-shadow);
  --shadow-lg: 0 14px 48px var(--color-shadow-lg);
  --shadow-glow: 0 0 24px rgba(233, 69, 96, 0.28);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Georgia", "Songti SC", "SimSun", serif;
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 68px;
  --max-width: 1200px;
}

[data-theme="dark"] {
  --color-bg: #0d0d1a;
  --color-bg-alt: #14142a;
  --color-bg-elevated: rgba(26, 26, 46, 0.78);
  --color-bg-glass: rgba(26, 26, 46, 0.55);
  --color-bg-glass-strong: rgba(26, 26, 46, 0.85);
  --color-text: #e4e4f0;
  --color-text-secondary: #b0b0cc;
  --color-text-muted: #8080a0;
  --color-heading: #f0f0ff;
  --color-primary: #ff5c78;
  --color-primary-dark: #e94560;
  --color-primary-light: #ff8a9e;
  --color-accent: #ffb84d;
  --color-accent-dark: #f9a826;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-strong: rgba(255, 255, 255, 0.18);
  --color-shadow: rgba(0, 0, 0, 0.3);
  --color-shadow-lg: rgba(0, 0, 0, 0.5);
  --color-overlay: rgba(0, 0, 0, 0.65);
  --gradient-card: linear-gradient(145deg, rgba(26,26,46,0.9) 0%, rgba(20,20,42,0.7) 100%);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  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(233, 69, 96, 0.06) 0%, transparent 42%),
    radial-gradient(circle at 88% 18%, rgba(249, 168, 38, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 88%, rgba(15, 52, 96, 0.05) 0%, transparent 45%);
  background-attachment: fixed;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-primary-light);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin-bottom: 0.75em; }
h2 { font-size: clamp(1.35rem, 3vw, 1.9rem); margin: 2em 0 0.7em; position: relative; padding-left: 0.75em; }
h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 5px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
}
h3 { font-size: clamp(1.1rem, 2.4vw, 1.35rem); margin: 1.5em 0 0.6em; }
p { margin-bottom: 1em; color: var(--color-text-secondary); }
ul, ol { margin: 0 0 1.2em 1.4em; color: var(--color-text-secondary); }
li { margin-bottom: 0.45em; }
strong { color: var(--color-heading); font-weight: 600; }
blockquote {
  margin: 1.4em 0;
  padding: 1.2em 1.5em;
  border-left: 4px solid var(--color-primary);
  background: var(--color-bg-glass);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
blockquote p { margin-bottom: 0; font-style: italic; color: var(--color-text); }

.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;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 9999;
  padding: 12px 24px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 16px;
  color: #fff;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 72px 0;
  position: relative;
}

section:nth-of-type(even) {
  background: var(--color-bg-alt);
}

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

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

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

.logo-area a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-heading);
}

.logo-area a:hover { color: var(--color-heading); }

.logo-area svg {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.logo-area a:hover svg {
  transform: rotate(-6deg) scale(1.06);
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-heading);
}

.logo-text small {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}

.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
}

.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast);
}

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

.main-nav a:hover {
  color: var(--color-primary);
  background: rgba(233, 69, 96, 0.08);
}

.main-nav a:hover::after {
  width: 60%;
}

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

.search-form {
  display: flex;
  align-items: center;
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 4px 4px 4px 16px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.search-form:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
  background: var(--color-bg-glass-strong);
}

.search-form input {
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.88rem;
  color: var(--color-text);
  width: 170px;
  padding: 6px 0;
  outline: none;
}

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

.search-form button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: #fff;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.search-form button:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-glow);
}

.theme-toggle,
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-glass);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover,
.mobile-menu-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.mobile-menu-btn {
  display: none;
}

.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px 0;
  font-size: 0.82rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  color: var(--color-text-muted);
}

.breadcrumb li + li::before {
  content: "›";
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1;
}

.breadcrumb a {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.hero-banner {
  position: relative;
  max-width: var(--max-width);
  margin: 24px auto 0;
  padding: 0 24px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.banner-slides {
  position: relative;
  min-height: 420px;
}

.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.banner-slide.active {
  opacity: 1;
  visibility: visible;
  position: relative;
}

.banner-slide svg {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.banner-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13, 13, 26, 0.82) 0%, rgba(13, 13, 26, 0.45) 50%, rgba(13, 13, 26, 0.15) 100%);
  border-radius: var(--radius-xl);
  pointer-events: none;
}

.banner-caption {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 clamp(24px, 6vw, 72px);
  max-width: 640px;
  z-index: 2;
}

.banner-caption h2 {
  color: #fff;
  font-size: clamp(1.4rem, 3.6vw, 2.2rem);
  margin: 0 0 0.5em;
  padding-left: 0;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
  animation: fadeUp 0.7s ease both;
}

.banner-caption h2::before { display: none; }

.banner-caption p {
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(0.9rem, 1.8vw, 1.05rem);
  margin-bottom: 1.6em;
  max-width: 520px;
  animation: fadeUp 0.7s 0.1s ease both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 13px 34px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  animation: fadeUp 0.7s 0.2s ease both;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #ff6b82 0%, #ffb84d 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 32px rgba(233, 69, 96, 0.55);
}

.btn-primary:hover::before { opacity: 1; }

.btn-primary span,
.btn-primary {
  z-index: 1;
}

.banner-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}

.banner-dots .dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  border: 2px solid rgba(255, 255, 255, 0.6);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-base);
}

.banner-dots .dot:hover {
  background: rgba(255, 255, 255, 0.5);
  transform: scale(1.15);
}

.banner-dots .dot.active {
  width: 34px;
  background: var(--gradient-primary);
  border-color: transparent;
}

.brand-intro .lead {
  font-size: 1.08rem;
  line-height: 1.85;
  color: var(--color-text);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 2.5em 0;
}

.stat-item {
  text-align: center;
  padding: 28px 16px;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

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

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

.stat-num {
  display: block;
  font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  font-weight: 800;
  line-height: 1.1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.advantage-list {
  list-style: none;
  margin: 1.5em 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.advantage-list li {
  position: relative;
  padding: 20px 22px 20px 58px;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  margin: 0;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.advantage-list li::before {
  content: "✓";
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-glow);
}

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

.products h3,
.solutions h3 {
  padding-left: 14px;
  border-left: 3px solid var(--color-accent);
}

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

.cases blockquote::before {
  content: "\201C";
  position: absolute;
  left: 18px;
  top: 8px;
  font-size: 3rem;
  line-height: 1;
  font-family: var(--font-serif);
  color: var(--color-primary);
  opacity: 0.5;
}

.news-item {
  padding: 24px 26px;
  margin-bottom: 18px;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

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

.news-item h3 {
  margin: 0 0 0.4em;
  font-size: 1.12rem;
}

.news-item h3 a {
  color: var(--color-heading);
  transition: color var(--transition-fast);
}

.news-item h3 a:hover {
  color: var(--color-primary);
}

.news-item time {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.6em;
  padding: 3px 12px;
  background: rgba(233, 69, 96, 0.08);
  border-radius: var(--radius-full);
  font-weight: 500;
}

.news-item p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.articles {
  display: block;
}

.articles > .section-inner > p {
  max-width: 820px;
}

.article-card {
  padding: 26px 28px;
  margin-bottom: 18px;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.article-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-base);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.article-card:hover::after {
  transform: scaleY(1);
}

.article-card h3 {
  margin: 0 0 0.5em;
  font-size: 1.15rem;
}

.article-card time {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 0.7em;
  padding: 3px 12px;
  background: rgba(249, 168, 38, 0.12);
  border-radius: var(--radius-full);
  font-weight: 500;
}

.article-summary {
  font-size: 0.94rem;
  margin-bottom: 1em;
  color: var(--color-text-secondary);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.read-more::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.read-more:hover {
  gap: 10px;
  color: var(--color-primary-light);
}

.read-more:hover::after {
  transform: translateX(3px);
}

.faq-item {
  margin-bottom: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  margin: 0;
  font-size: 1rem;
}

.faq-question button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-heading);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.faq-question button::after {
  content: "+";
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-primary);
  background: rgba(233, 69, 96, 0.1);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), background var(--transition-base);
}

.faq-question button[aria-expanded="true"] {
  color: var(--color-primary);
}

.faq-question button[aria-expanded="true"]::after {
  content: "−";
  transform: rotate(180deg);
  background: var(--gradient-primary);
  color: #fff;
}

.faq-question button:hover {
  background: rgba(233, 69, 96, 0.05);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base), opacity var(--transition-base);
  opacity: 0;
  padding: 0 22px;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  opacity: 1;
  padding: 0 22px 20px;
}

.faq-answer p {
  margin: 0;
  font-size: 0.94rem;
  padding-top: 4px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.howto ol,
.howto ul {
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px 26px 22px 46px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.howto ol li::marker {
  color: var(--color-primary);
  font-weight: 700;
}

.eeat h3 {
  position: relative;
  padding-left: 16px;
}

.eeat h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3em;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
}

.contact address {
  font-style: normal;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.contact address:hover {
  box-shadow: var(--shadow-md);
}

.contact address p {
  margin-bottom: 0.7em;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

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

.sitemap-list,
.friend-links {
  list-style: none;
  margin: 1em 0 2em;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

.sitemap-list a,
.friend-links a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}

.sitemap-list a:hover,
.friend-links a:hover {
  color: #fff;
  background: var(--gradient-primary);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.legal {
  background: var(--color-bg-alt);
}

.legal h3 {
  margin-top: 1.8em;
}

.site-footer {
  background: var(--gradient-footer);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
  gap: 40px;
}

.footer-col h3 {
  color: #fff;
  font-size: 1.02rem;
  margin: 0 0 1.1em;
  position: relative;
  padding-bottom: 0.6em;
}

.footer-col h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.footer-col p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 0.7em;
}

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

.footer-col li {
  margin-bottom: 0.6em;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.88rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  position: relative;
}

.footer-col a:hover {
  color: var(--color-accent);
  padding-left: 6px;
}

.footer-col address {
  font-style: normal;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px;
  text-align: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.8rem;
  margin-bottom: 0.5em;
  line-height: 1.7;
}

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

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.8);
  transition: all var(--transition-base);
}

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

.back-to-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 12px 32px rgba(233, 69, 96, 0.55);
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

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

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

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@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 (max-width: 1024px) {
  .header-inner {
    gap: 12px;
  }

  .main-nav ul {
    gap: 2px;
  }

  .main-nav a {
    padding: 8px 10px;
    font-size: 0.84rem;
  }

  .search-form input {
    width: 120px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 60px;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg-glass-strong);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-base);
    margin-left: 0;
  }

  .main-nav.open {
    max-height: 520px;
    padding: 12px 0;
  }

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

  .main-nav a {
    padding: 13px 16px;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
  }

  .main-nav a::after {
    display: none;
  }

  .search-form {
    display: none;
  }

  .header-inner {
    justify-content: space-between;
  }

  .logo-text {
    font-size: 1.1rem;
  }

  .logo-text small {
    font-size: 0.62rem;
  }

  section {
    padding: 52px 0;
  }

  .section-inner {
    padding: 0 18px;
  }

  .breadcrumb {
    padding: 12px 18px 0;
  }

  .hero-banner {
    margin: 16px 18px 0;
    padding: 0;
    border-radius: var(--radius-lg);
  }

  .banner-slide,
  .banner-slide svg {
    height: 320px;
    min-height: 320px;
  }

  .banner-slides {
    min-height: 320px;
  }

  .banner-slide::after {
    background: linear-gradient(180deg, rgba(13, 13, 26, 0.35) 0%, rgba(13, 13, 26, 0.85) 100%);
    border-radius: var(--radius-lg);
  }

  .banner-caption {
    justify-content: flex-end;
    padding: 0 24px 56px;
    max-width: 100%;
  }

  .banner-caption h2 {
    font-size: 1.3rem;
  }

  .banner-caption p {
    font-size: 0.86rem;
    margin-bottom: 1.1em;
  }

  .btn-primary {
    padding: 11px 26px;
    font-size: 0.92rem;
  }

  .banner-dots {
    bottom: 16px;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .stat-item {
    padding: 22px 12px;
  }

  .advantage-list {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 0 18px 36px;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  h2 {
    padding-left: 0.6em;
  }

  h2::before {
    width: 4px;
  }

  .logo-area svg {
    width: 38px;
    height: 38px;
  }

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

  .logo-text small {
    display: none;
  }

  .theme-toggle,
  .mobile-menu-btn {
    width: 38px;
    height: 38px;
  }

  .hero-banner {
    margin: 12px 12px 0;
    border-radius: var(--radius-md);
  }

  .banner-slide,
  .banner-slide svg {
    height: 280px;
    min-height: 280px;
  }

  .banner-slides {
    min-height: 280px;
  }

  .banner-slide::after {
    border-radius: var(--radius-md);
  }

  .banner-caption {
    padding: 0 18px 48px;
  }

  .banner-caption h2 {
    font-size: 1.15rem;
  }

  .banner-caption p {
    font-size: 0.8rem;
  }

  .stat-num {
    font-size: 1.5rem;
  }

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

  .news-item,
  .article-card {
    padding: 20px 18px;
  }

  .faq-question button {
    padding: 15px 16px;
    font-size: 0.94rem;
  }

  .faq-answer {
    padding: 0 16px;
  }

  .faq-item.open .faq-answer {
    padding: 0 16px 16px;
  }

  .contact address {
    padding: 22px 18px;
  }

  .howto ol,
  .howto ul {
    padding: 18px 18px 18px 38px;
  }

  .sitemap-list a,
  .friend-links a {
    padding: 7px 14px;
    font-size: 0.82rem;
  }
}

@media (hover: none) {
  .stat-item:hover,
  .news-item:hover,
  .article-card:hover,
  .advantage-list li:hover {
    transform: none;
  }
}