:root {
  --brand-primary: #1a0b2e;
  --brand-secondary: #3d1e6d;
  --brand-accent: #e6b800;
  --brand-accent-dark: #cc9900;
  --text-primary: #1e1e2f;
  --text-secondary: #4a4a5e;
  --text-light: #6b6b80;
  --bg-page: #f8f6fc;
  --bg-card: #ffffff;
  --bg-dark-card: #1e1e2f;
  --border-light: #e0dce8;
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.35);
  --glass-blur: blur(18px) saturate(180%);
  --shadow-sm: 0 2px 8px rgba(26, 11, 46, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 11, 46, 0.10);
  --shadow-lg: 0 16px 48px rgba(26, 11, 46, 0.14);
  --shadow-glow: 0 8px 32px rgba(230, 184, 0, 0.35);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-bounce: 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] {
  --brand-primary: #0d0618;
  --brand-secondary: #241040;
  --brand-accent: #f0c93a;
  --brand-accent-dark: #d4a800;
  --text-primary: #f0edf5;
  --text-secondary: #c5c0d0;
  --text-light: #9a94a8;
  --bg-page: #0d0618;
  --bg-card: #1a0b2e;
  --bg-dark-card: #241040;
  --border-light: #2e1f4a;
  --glass-bg: rgba(26, 11, 46, 0.72);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 8px 32px rgba(240, 201, 58, 0.25);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--brand-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--brand-accent-dark);
}

[data-theme="dark"] a {
  color: var(--brand-accent);
}

[data-theme="dark"] a:hover {
  color: #fff;
}

::selection {
  background-color: var(--brand-accent);
  color: #1a0b2e;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 8px;
  border: 2px solid var(--bg-page);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

[data-theme="dark"] .site-header {
  background-color: var(--glass-bg);
  border-bottom-color: var(--glass-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--brand-primary);
  white-space: nowrap;
  transition: transform var(--transition-bounce);
}

.logo:hover {
  transform: scale(1.03);
}

[data-theme="dark"] .logo {
  color: var(--text-primary);
}

.logo svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 12px rgba(230, 184, 0, 0.3));
  transition: filter var(--transition);
}

.logo:hover svg {
  filter: drop-shadow(0 6px 18px rgba(230, 184, 0, 0.5));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  position: relative;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-accent), var(--brand-accent-dark));
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width var(--transition);
}

.nav-links a:hover {
  background-color: var(--bg-page);
  color: var(--brand-primary);
}

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

[data-theme="dark"] .nav-links a:hover {
  background-color: var(--brand-primary);
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-box {
  display: flex;
  align-items: center;
  background-color: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-radius: 40px;
  padding: 4px 4px 4px 16px;
  border: 1px solid var(--border-light);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box:focus-within {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(230, 184, 0, 0.15);
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.9rem;
  color: var(--text-primary);
  width: 140px;
  font-family: inherit;
}

.search-box input::placeholder {
  color: var(--text-light);
}

.search-box button {
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent-dark));
  border: none;
  border-radius: 40px;
  padding: 6px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a0b2e;
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.search-box button:active {
  transform: scale(0.96);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-light);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition-bounce);
}

.theme-toggle:hover {
  background-color: var(--bg-page);
  color: var(--brand-accent);
  border-color: var(--brand-accent);
  transform: rotate(20deg) scale(1.1);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition);
}

.mobile-menu-btn:hover {
  background-color: var(--bg-page);
}

.breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--text-light);
}

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

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb li:not(:last-child)::after {
  content: "›";
  color: var(--text-light);
  font-size: 1rem;
}

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

.breadcrumb a:hover {
  color: var(--brand-accent-dark);
}

main {
  padding-bottom: 40px;
}

.section {
  padding: 48px 0;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.3;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 700px;
}

.section-title .accent {
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--brand-accent-dark);
}

.hero {
  position: relative;
  background: linear-gradient(135deg, #1a0b2e 0%, #3d1e6d 45%, #5a2d9e 100%);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  margin: 24px 0 16px;
  overflow: hidden;
  color: #fff;
  min-height: 320px;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-lg);
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(230, 184, 0, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -60%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(230, 184, 0, 0.10) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: heroGlow 10s ease-in-out infinite alternate-reverse;
}

@keyframes heroGlow {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0.7;
  }
  100% {
    transform: translate(-30px, 20px) scale(1.15);
    opacity: 1;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.12);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: 40px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: background-color var(--transition), transform var(--transition-bounce);
}

.hero-badge:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero h1 .highlight {
  color: var(--brand-accent);
  position: relative;
}

.hero h1 .highlight::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--brand-accent), transparent);
  opacity: 0.3;
  border-radius: 3px;
}

.hero p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 24px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 40px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: inherit;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s ease, height 0.5s ease;
}

.btn:active::after {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent-dark));
  color: #1a0b2e;
  box-shadow: 0 4px 16px rgba(230, 184, 0, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--brand-accent-dark), var(--brand-accent));
  color: #1a0b2e;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background-color: rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  border-color: #fff;
  background-color: rgba(255, 255, 255, 0.18);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
}

.hero-visual {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 45%;
  opacity: 0.15;
  pointer-events: none;
}

.hero-visual svg {
  width: 100%;
  height: 100%;
  animation: heroRotate 30s linear infinite;
}

@keyframes heroRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: -32px;
  position: relative;
  z-index: 10;
}

.stat-card {
  background-color: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--glass-border);
  transition: transform var(--transition-bounce), box-shadow var(--transition), border-color var(--transition);
}

.stat-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-accent);
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.card {
  background-color: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--glass-border);
  transition: transform var(--transition-bounce), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(230, 184, 0, 0.4);
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.brand-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.brand-intro-text h2 {
  font-size: 1.75rem;
  margin-bottom: 16px;
  line-height: 1.3;
}

.brand-intro-text h3 {
  font-size: 1.15rem;
  margin: 20px 0 10px;
  color: var(--brand-secondary);
}

[data-theme="dark"] .brand-intro-text h3 {
  color: var(--brand-accent);
}

.brand-intro-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.9;
}

.brand-intro-visual {
  background: linear-gradient(135deg, var(--brand-secondary), var(--brand-primary));
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.brand-intro-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(230, 184, 0, 0.2), transparent 60%);
  pointer-events: none;
}

.brand-intro-visual svg {
  animation: floatY 5s ease-in-out infinite;
}

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

.advantage-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.advantage-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  background-color: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  transition: border-color var(--transition), transform var(--transition-bounce), box-shadow var(--transition);
}

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

.advantage-list .icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--brand-accent-dark);
  transition: transform var(--transition-bounce);
}

.advantage-list li:hover .icon {
  transform: scale(1.15) rotate(-5deg);
}

.advantage-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.advantage-list span {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.article-card {
  background-color: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-bounce), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(230, 184, 0, 0.4);
}

.article-meta {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 10px;
}

.article-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  line-height: 1.4;
}

.article-card h3 a {
  color: var(--text-primary);
  transition: color var(--transition);
}

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

.article-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  flex-grow: 1;
}

.read-more {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--brand-accent-dark);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  align-self: flex-start;
  transition: gap var(--transition), color var(--transition);
}

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

[data-theme="dark"] .read-more:hover {
  color: var(--brand-accent);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

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

.faq-item.open {
  border-color: var(--brand-accent);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: inherit;
  transition: background-color var(--transition);
}

.faq-question:hover {
  background-color: rgba(230, 184, 0, 0.05);
}

.faq-question .arrow {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform var(--transition);
  color: var(--brand-accent-dark);
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding: 0 24px 20px;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.howto-steps {
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.howto-step {
  display: flex;
  gap: 20px;
  background-color: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--glass-border);
  position: relative;
  transition: transform var(--transition-bounce), box-shadow var(--transition), border-color var(--transition);
}

.howto-step:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(230, 184, 0, 0.4);
}

.howto-step::before {
  counter-increment: step;
  content: counter(step);
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent-dark));
  color: #1a0b2e;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(230, 184, 0, 0.3);
}

.howto-step-content h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.howto-step-content p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-card {
  background-color: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform var(--transition-bounce), box-shadow var(--transition), border-color var(--transition);
}

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

.contact-card .icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--brand-accent-dark);
  transition: transform var(--transition-bounce);
}

.contact-card:hover .icon {
  transform: scale(1.15) rotate(-5deg);
}

.contact-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.site-footer {
  background: linear-gradient(135deg, #1a0b2e 0%, #2a1550 100%);
  color: rgba(255, 255, 255, 0.8);
  padding: 48px 0 24px;
  margin-top: 40px;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-accent), transparent);
  opacity: 0.5;
}

[data-theme="dark"] .site-footer {
  background: linear-gradient(135deg, #08040f 0%, #150a28 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
}

.footer-col a:hover {
  color: var(--brand-accent);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a:hover {
  color: var(--brand-accent);
}

.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-accent), var(--brand-accent-dark));
  color: #1a0b2e;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.8);
  transition: all var(--transition-bounce);
  z-index: 999;
}

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

.back-to-top:hover {
  background: linear-gradient(135deg, var(--brand-accent-dark), var(--brand-accent));
  transform: translateY(-6px) scale(1.1);
  box-shadow: var(--shadow-glow);
}

.back-to-top:active {
  transform: translateY(-2px) scale(0.95);
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@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;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

  .hero {
    padding: 40px 32px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--glass-bg);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--glass-border);
    gap: 4px;
  }

  [data-theme="dark"] .nav-links {
    background-color: var(--glass-bg);
  }

  .nav-links.open {
    display: flex;
    animation: slideDown 0.3s ease;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .nav-links a {
    width: 100%;
    padding: 12px 16px;
  }

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

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

  .search-box input {
    width: 100px;
  }

  .two-col,
  .brand-intro,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .three-col,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding: 32px 24px;
    min-height: auto;
  }

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

  .hero-visual {
    display: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: -20px;
  }

  .stat-card {
    padding: 18px 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .section {
    padding: 32px 0;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .brand-intro-visual {
    min-height: 220px;
    padding: 28px;
  }
}

@media (max-width: 480px) {
  .header-inner {
    gap: 8px;
  }

  .logo span {
    display: none;
  }

  .search-box {
    padding: 4px 4px 4px 12px;
  }

  .search-box input {
    width: 80px;
    font-size: 0.85rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .hero-actions {
    flex-direction: column;
  }

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

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }

  .howto-step {
    padding: 18px;
    gap: 14px;
  }

  .howto-step::before {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 0.95rem;
  }

  .faq-answer {
    padding: 0 18px;
  }

  .faq-item.open .faq-answer {
    padding: 0 18px 16px;
  }
}

@media print {
  .site-header,
  .back-to-top,
  .theme-toggle,
  .mobile-menu-btn,
  .search-box {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .hero {
    background: #f0f0f0;
    color: #000;
  }
}