:root {
  --primary: #7c5cff;
  --primary-dark: #6847e0;
  --primary-light: #b89eff;
  --primary-soft: #f0ebff;
  --primary-lighter: #d8ccff;
  --bg: #f8f6fc;
  --bg-card: #ffffff;
  --bg-elevated: #ffffff;
  --bg-nav: rgba(255, 255, 255, 0.92);
  --text: #1e1b2b;
  --text-heading: #1a0b2e;
  --text-body: #3d3550;
  --text-muted: #6b6080;
  --text-faint: #9a91b0;
  --border: #ede8f5;
  --border-strong: #e0d8f0;
  --shadow-sm: 0 4px 16px rgba(90, 62, 200, 0.04);
  --shadow-md: 0 12px 32px rgba(90, 62, 200, 0.1);
  --shadow-lg: 0 20px 60px rgba(90, 62, 200, 0.15);
  --shadow-btn: 0 4px 18px rgba(124, 92, 255, 0.3);
  --shadow-btn-hover: 0 8px 26px rgba(124, 92, 255, 0.4);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-pill: 40px;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
  --nav-height: 68px;
}

body.dark-mode {
  --bg: #0f0d17;
  --bg-card: #1c1828;
  --bg-elevated: #252033;
  --bg-nav: rgba(15, 13, 23, 0.92);
  --text: #e8e5f0;
  --text-heading: #f0ecff;
  --text-body: #c8c0dc;
  --text-muted: #a89ec0;
  --text-faint: #8a82a0;
  --border: #2f2a3c;
  --border-strong: #3d3550;
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
  --shadow-btn: 0 4px 18px rgba(124, 92, 255, 0.25);
  --shadow-btn-hover: 0 8px 26px rgba(124, 92, 255, 0.35);
  --primary-soft: #2a2338;
}

* {
  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);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background-color var(--transition-base), color var(--transition-base);
  padding: 0;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.dark-mode .card,
body.dark-mode .section-bg,
body.dark-mode .faq-item,
body.dark-mode .article-card,
body.dark-mode .howto-step,
body.dark-mode .contact-info,
body.dark-mode .footer {
  background-color: var(--bg-card);
  color: var(--text);
  border-color: var(--border);
}

body.dark-mode .navbar {
  background-color: var(--bg-nav);
  border-bottom-color: var(--border);
}

body.dark-mode .navbar a {
  color: var(--text-body);
}

body.dark-mode .navbar a:hover {
  color: var(--primary-light);
}

body.dark-mode .btn-primary {
  background-color: var(--primary);
  color: #fff;
}

body.dark-mode .btn-outline {
  border-color: var(--primary);
  color: var(--primary-light);
}

body.dark-mode .tag {
  background-color: var(--primary-soft);
  color: #cbbdff;
}

body.dark-mode .search-input {
  background-color: var(--bg-card);
  border-color: var(--border-strong);
  color: var(--text);
}

body.dark-mode .faq-question {
  color: var(--text-heading);
}

body.dark-mode .footer a {
  color: #b0a8c8;
}

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

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.35rem;
  color: #2c1e5c;
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.85;
}

body.dark-mode .logo {
  color: var(--text-heading);
}

.logo svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-body);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.nav-links a:hover {
  background-color: var(--primary-soft);
  color: #5a3ec8;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 4px;
  background-color: #f4f1fa;
  border-radius: var(--radius-pill);
  padding: 4px 6px 4px 14px;
  border: 1px solid var(--border-strong);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

body.dark-mode .search-box {
  background-color: var(--bg-card);
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.15);
}

.search-input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.88rem;
  width: 140px;
  color: var(--text);
  padding: 6px 0;
  font-family: inherit;
}

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

.search-btn {
  background-color: var(--primary);
  border: none;
  border-radius: 30px;
  padding: 6px 14px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  font-family: inherit;
  white-space: nowrap;
}

.search-btn:hover {
  background-color: var(--primary-dark);
  transform: scale(1.03);
}

.search-btn:active {
  transform: scale(0.97);
}

.theme-toggle {
  background: none;
  border: 1px solid #d8d0e8;
  border-radius: var(--radius-pill);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  color: var(--text-body);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background-color: var(--primary-soft);
  border-color: #b8a8e0;
  transform: rotate(15deg);
}

body.dark-mode .theme-toggle {
  border-color: var(--border-strong);
  color: var(--text-body);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid #d8d0e8;
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-body);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
}

.mobile-menu-btn:hover {
  background-color: var(--primary-soft);
}

body.dark-mode .mobile-menu-btn {
  border-color: var(--border-strong);
  color: var(--text-body);
}

.breadcrumb {
  padding: 16px 0 8px;
  font-size: 0.85rem;
  color: var(--text-faint);
}

.breadcrumb a {
  color: #5a3ec8;
  text-decoration: none;
  transition: color var(--transition-fast);
}

body.dark-mode .breadcrumb a {
  color: var(--primary-light);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb span {
  margin: 0 6px;
}

.hero {
  padding: 20px 0 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.hero-content {
  flex: 1 1 420px;
}

.hero-content h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-heading);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-content h1 span {
  background: linear-gradient(135deg, #7c5cff, #b89eff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.08rem;
  color: var(--text-body);
  margin-bottom: 24px;
  max-width: 560px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #7c5cff, #6847e0);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), transform 0.15s ease, box-shadow var(--transition-fast);
  font-family: inherit;
  box-shadow: var(--shadow-btn);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-btn-hover);
}

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

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #5a3ec8;
  border: 2px solid #b8a8e0;
  border-radius: var(--radius-pill);
  padding: 12px 30px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform 0.15s ease;
  font-family: inherit;
}

.btn-outline:hover {
  background-color: var(--primary-soft);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: translateY(0);
}

body.dark-mode .btn-outline {
  color: var(--primary-light);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  background: linear-gradient(135deg, #7c5cff, #b89eff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-faint);
  margin-top: 2px;
}

.hero-visual {
  flex: 1 1 380px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual svg {
  width: 100%;
  max-width: 460px;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base);
}

.hero-visual svg:hover {
  transform: scale(1.02);
}

.carousel-section {
  padding: 20px 0 40px;
}

.carousel-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(135deg, #1a0b2e, #2c1e5c);
  box-shadow: 0 12px 40px rgba(26, 11, 46, 0.25);
}

.carousel-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.carousel-slide {
  min-width: 100%;
  padding: 48px 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 30px;
  color: #fff;
  box-sizing: border-box;
}

.carousel-slide h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.carousel-slide p {
  font-size: 1rem;
  opacity: 0.85;
  line-height: 1.7;
  max-width: 480px;
}

.carousel-slide svg {
  flex-shrink: 0;
  width: 180px;
  height: 180px;
  opacity: 0.9;
  transition: transform var(--transition-base);
}

.carousel-slide:hover svg {
  transform: scale(1.05) rotate(3deg);
}

.carousel-dots {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-base), transform var(--transition-fast);
  padding: 0;
}

.carousel-dot:hover {
  background-color: rgba(255, 255, 255, 0.7);
}

.carousel-dot.active {
  background-color: #fff;
  transform: scale(1.25);
}

.section {
  padding: 48px 0;
}

.section-title {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, #7c5cff, #b89eff);
  margin-top: 10px;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 720px;
  line-height: 1.7;
}

.card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.brand-intro {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
}

.brand-intro-text {
  flex: 1 1 500px;
}

.brand-intro-text p {
  margin-bottom: 16px;
  color: var(--text-body);
  line-height: 1.85;
}

.brand-intro-text strong {
  color: var(--text-heading);
}

.brand-intro-visual {
  flex: 1 1 300px;
  display: flex;
  justify-content: center;
}

.brand-intro-visual svg {
  width: 100%;
  max-width: 320px;
  height: auto;
  transition: transform var(--transition-base);
}

.brand-intro-visual svg:hover {
  transform: translateY(-6px);
}

.product-card {
  text-align: center;
}

.product-card svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  transition: transform var(--transition-base);
}

.product-card:hover svg {
  transform: scale(1.12) rotate(-4deg);
}

.product-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-heading);
}

.product-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.article-card {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-card);
  border-radius: 18px;
  padding: 24px;
  border: 1px solid var(--border);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color var(--transition-base), border-color var(--transition-base);
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.article-card .article-meta {
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: 8px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.article-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-heading);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

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

.article-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 14px;
}

.article-card .read-more {
  font-size: 0.86rem;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.article-card .read-more:hover {
  text-decoration: underline;
  gap: 8px;
}

.faq-item {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 12px;
  overflow: hidden;
  transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-fast);
}

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

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

.faq-question:hover {
  background-color: #faf8ff;
}

body.dark-mode .faq-question:hover {
  background-color: var(--bg-elevated);
}

.faq-question .faq-icon {
  font-size: 1.3rem;
  transition: transform var(--transition-base), color var(--transition-fast);
  color: var(--primary);
  flex-shrink: 0;
  font-weight: 300;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding var(--transition-base);
  padding: 0 24px;
  color: var(--text-body);
  font-size: 0.94rem;
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding: 0 24px 22px;
}

.howto-step {
  background-color: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--border);
  position: relative;
  transition: background-color var(--transition-base), border-color var(--transition-base), transform 0.25s ease, box-shadow 0.25s ease;
}

.howto-step:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.howto-step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c5cff, #6847e0);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 12px;
  box-shadow: 0 4px 12px rgba(124, 92, 255, 0.3);
}

.howto-step h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-heading);
}

.howto-step p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.contact-info {
  background-color: var(--bg-card);
  border-radius: 18px;
  padding: 26px;
  border: 1px solid var(--border);
  transition: background-color var(--transition-base), border-color var(--transition-base), transform 0.25s ease, box-shadow 0.25s ease;
}

.contact-info:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.contact-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-heading);
}

.contact-info p {
  font-size: 0.92rem;
  color: var(--text-body);
  margin-bottom: 6px;
  line-height: 1.7;
}

.contact-info a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-info a:hover {
  text-decoration: underline;
  color: var(--primary-dark);
}

.footer {
  background-color: #1a0b2e;
  color: #c8c0dc;
  padding: 48px 0 28px;
  margin-top: 40px;
  transition: background-color var(--transition-base);
}

body.dark-mode .footer {
  background-color: #0a0812;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 36px;
}

.footer h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: 8px;
}

.footer a {
  color: #b0a8c8;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid #2f2a3c;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
  color: #8a82a0;
}

.footer-bottom a {
  color: #b0a8c8;
}

.footer-bottom a:hover {
  color: #fff;
}

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c5cff, #6847e0);
  color: #fff;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(124, 92, 255, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), box-shadow var(--transition-fast);
  z-index: 999;
}

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

.back-to-top:hover {
  box-shadow: 0 8px 28px rgba(124, 92, 255, 0.55);
  transform: translateY(-3px);
}

.back-to-top:active {
  transform: translateY(0);
}

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

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

.tag {
  display: inline-block;
  background-color: var(--primary-soft);
  color: #5a3ec8;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-right: 6px;
  margin-bottom: 6px;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.tag:hover {
  transform: translateY(-2px);
  background-color: var(--primary-lighter);
}

body.dark-mode .tag {
  color: #cbbdff;
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--bg-card);
    flex-direction: column;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    gap: 4px;
    z-index: 999;
    animation: slideDown 0.25s ease;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 14px;
  }

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

  .search-box {
    display: none;
  }

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

  .carousel-slide {
    padding: 32px 24px;
  }

  .carousel-slide h3 {
    font-size: 1.4rem;
  }

  .carousel-slide svg {
    width: 120px;
    height: 120px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-number {
    font-size: 1.4rem;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.65rem;
  }

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

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

  .carousel-slide {
    flex-direction: column;
    text-align: center;
    padding: 28px 18px;
  }

  .carousel-slide svg {
    width: 100px;
    height: 100px;
  }

  .section {
    padding: 32px 0;
  }

  .back-to-top {
    bottom: 18px;
    right: 18px;
    width: 42px;
    height: 42px;
  }

  .section-title {
    font-size: 1.35rem;
  }

  .card {
    padding: 22px 18px;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 0.94rem;
  }

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

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

@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;
  }
}