/* CC Models - Main Stylesheet */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f0f5;
  --border: #e5e5ea;
  --text-primary: #1a1a2e;
  --text-secondary: #555568;
  --text-muted: #8e8e98;
  --accent: #4f6ef6;
  --accent-light: #4361e0;
  --accent-glow: rgba(79, 110, 246, 0.15);
  --gradient-1: linear-gradient(135deg, #4f6ef6 0%, #7c3aed 100%);
  --gradient-2: linear-gradient(135deg, #7c3aed 0%, #e93a82 100%);
  --gradient-hero: linear-gradient(180deg, rgba(79, 110, 246, 0.04) 0%, rgba(79, 110, 246, 0.01) 50%, transparent 100%);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Improved touch targets for mobile */
@media (max-width: 768px) {
  a, button, .btn, .faq-question {
    min-height: 44px;
  }
  .nav a { min-height: auto; }
}

a { color: var(--accent-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Section Common */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(79, 110, 246, 0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-light);
  margin-bottom: 16px;
  font-weight: 500;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Header / Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo img { height: 36px; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 4px 0;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav a:hover { color: var(--text-primary); }
.nav a:hover::after { width: 100%; }

.nav-cta {
  background: var(--gradient-1);
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: 50px;
  font-weight: 600 !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.lang-switch:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79, 110, 246, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content { position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero-title .highlight {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 480px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-1);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: var(--bg-card);
  color: var(--text-primary);
}

.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08), 0 0 0 1px var(--border);
}

.hero-visual::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-lg);
  background: var(--gradient-1);
  opacity: 0.15;
  z-index: -1;
  filter: blur(20px);
}

/* Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  margin-top: 60px;
}

.stat-item { text-align: center; }
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }

/* Why Section */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.why-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-1);
  opacity: 0;
  transition: var(--transition);
}

.why-card:hover::before { opacity: 1; }

.why-card-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.why-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.why-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

/* Features Section */
.features-section { background: var(--bg-secondary); }

.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 100px;
}

.feature-block:last-child { margin-bottom: 0; }
.feature-block.reverse { direction: rtl; }
.feature-block.reverse .feature-text { direction: ltr; }

.feature-text h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-text p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.feature-list li .check {
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-image {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.feature-image-wrapper {
  position: relative;
}

.feature-image-wrapper::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: var(--gradient-1);
  opacity: 0.1;
  z-index: -1;
  filter: blur(15px);
}

/* How It Works */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.step-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 auto 16px;
  color: #fff;
}

.step-card h4 { font-size: 1.05rem; margin-bottom: 8px; }
.step-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

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

.screenshot-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  background: var(--bg-card);
}

.screenshot-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.screenshot-card img {
  width: 100%;
  display: block;
}

.screenshot-label {
  padding: 16px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
}

/* Download Section */
.download-section { background: var(--bg-secondary); }

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

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}

.download-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.download-card .os-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.download-card h4 { font-size: 1.15rem; margin-bottom: 8px; }
.download-card .version { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 20px; }
.download-card .btn { width: 100%; justify-content: center; }

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover { border-color: rgba(79, 110, 246, 0.3); }

.faq-question {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.faq-question .arrow {
  transition: var(--transition);
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(79, 110, 246, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section .section-title { font-size: 2.5rem; }
.cta-section .btn { margin-top: 24px; }

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}

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

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--text-muted); font-size: 0.85rem; }
.footer-col ul li a:hover { color: var(--accent-light); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Page Header (for inner pages) */
.page-header {
  padding: 140px 0 60px;
  text-align: center;
  background: var(--gradient-hero);
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header p { color: var(--text-secondary); font-size: 1.1rem; }

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 60px 0;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.blog-card-content { padding: 24px; }
.blog-card-date { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; }
.blog-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.blog-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* Docs Layout */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 60px 0;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.docs-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.docs-sidebar nav { display: flex; flex-direction: column; gap: 4px; }

.docs-sidebar a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: var(--transition);
}

.docs-sidebar a:hover,
.docs-sidebar a.active {
  background: var(--bg-card);
  color: var(--accent-light);
}

.docs-content h2 {
  font-size: 1.75rem;
  margin-bottom: 16px;
  margin-top: 40px;
}

.docs-content h2:first-child { margin-top: 0; }
.docs-content h3 { font-size: 1.25rem; margin: 28px 0 12px; }
.docs-content p { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.7; }
.docs-content ul { color: var(--text-secondary); margin-bottom: 16px; padding-left: 20px; }
.docs-content ul li { margin-bottom: 8px; }
.docs-content code {
  background: var(--bg-card);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  border: 1px solid var(--border);
}

.docs-content pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 20px;
}

.docs-content pre code {
  background: none;
  padding: 0;
  border: none;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 2.5rem; }
  .hero-visual { order: -1; max-width: 500px; margin: 0 auto; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-block { grid-template-columns: 1fr; gap: 30px; }
  .feature-block.reverse { direction: ltr; }
  .feature-image { max-width: 500px; margin: 0 auto; display: block; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .download-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: static;
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 16px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
    -webkit-overflow-scrolling: touch;
  }
  .docs-sidebar a { white-space: nowrap; flex-shrink: 0; }
  .screenshots-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  html { font-size: 15px; }

  .header-inner { height: 56px; }
  .logo { font-size: 1.1rem; }
  .logo img { height: 30px; }

  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    padding: 16px 24px;
    gap: 4px;
    overflow-y: auto;
    z-index: 999;
  }
  .nav.open a {
    padding: 14px 16px;
    font-size: 1.05rem;
    border-radius: var(--radius-sm);
  }
  .nav.open a:hover { background: var(--bg-card-hover); }
  .nav.open .nav-cta {
    margin-top: 12px;
    text-align: center;
    justify-content: center;
  }

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

  /* Prevent body scroll when menu is open */
  body.menu-open { overflow: hidden; }

  .hero {
    min-height: auto;
    padding: 100px 0 40px;
  }
  .hero-title { font-size: 1.85rem; }
  .hero-desc { font-size: 1rem; margin-bottom: 28px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-badge { font-size: 0.8rem; }
  .hero-visual { max-width: 100%; }

  .stats-bar {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 24px 0;
    margin-top: 32px;
  }
  .stat-number { font-size: 1.5rem; }
  .stat-label { font-size: 0.75rem; }

  .section { padding: 56px 0; }
  .section-header { margin-bottom: 36px; }
  .section-title { font-size: 1.6rem; }
  .section-desc { font-size: 0.95rem; }
  .section-tag { font-size: 0.8rem; padding: 4px 12px; }

  .why-grid { grid-template-columns: 1fr; gap: 12px; }
  .why-card { padding: 24px; }
  .why-card-icon { width: 40px; height: 40px; font-size: 1.3rem; margin-bottom: 14px; }
  .why-card h3 { font-size: 1.05rem; }
  .why-card p { font-size: 0.85rem; }

  .feature-block { margin-bottom: 56px; }
  .feature-text h3 { font-size: 1.4rem; }
  .feature-list li { font-size: 0.9rem; }
  .feature-image { max-width: 100%; }

  .steps-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .step-card { padding: 24px 16px; }
  .step-number { width: 32px; height: 32px; font-size: 0.95rem; margin-bottom: 12px; }
  .step-card h4 { font-size: 0.95rem; }
  .step-card p { font-size: 0.8rem; }

  .screenshots-grid { grid-template-columns: 1fr; gap: 12px; }
  .screenshot-label { font-size: 0.8rem; padding: 12px 16px; }

  .download-grid { grid-template-columns: 1fr; gap: 12px; }
  .download-card { padding: 24px; }
  .download-card .os-icon { font-size: 2rem; margin-bottom: 10px; }
  .download-card h4 { font-size: 1.05rem; }
  .download-card .btn { padding: 12px 20px; font-size: 0.9rem; }

  .faq-question { padding: 16px 20px; font-size: 0.9rem; }
  .faq-item.active .faq-answer { padding: 0 20px 16px; }
  .faq-answer { font-size: 0.85rem; }

  .cta-section { padding: 72px 0; }
  .cta-section .section-title { font-size: 1.6rem; }
  .cta-section .btn { width: auto; }

  .footer { padding: 40px 0 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col h4 { font-size: 0.85rem; margin-bottom: 10px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; font-size: 0.8rem; }

  .page-header { padding: 110px 0 40px; }
  .page-header h1 { font-size: 1.8rem; }
  .page-header p { font-size: 0.95rem; }

  .blog-grid { grid-template-columns: 1fr; gap: 16px; }
  .blog-card-content { padding: 20px; }
  .blog-card h3 { font-size: 1rem; }

  .docs-layout { padding: 40px 16px; }
  .docs-content h2 { font-size: 1.4rem; }
  .docs-content h3 { font-size: 1.1rem; }
  .docs-content p, .docs-content li { font-size: 0.9rem; }
  .docs-content pre { padding: 14px; font-size: 0.8rem; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}

@media (max-width: 480px) {
  html { font-size: 14px; }

  .container { padding: 0 16px; }
  .header-inner { padding: 0 16px; }

  .hero { padding: 88px 0 32px; }
  .hero-title { font-size: 1.6rem; }
  .hero-desc { font-size: 0.9rem; margin-bottom: 24px; }
  .hero-actions .btn { padding: 12px 20px; font-size: 0.9rem; }

  .stats-bar { padding: 20px 0; margin-top: 24px; }

  .section { padding: 44px 0; }
  .section-header { margin-bottom: 28px; }
  .section-title { font-size: 1.4rem; }

  .steps-grid { grid-template-columns: 1fr; gap: 10px; }
  .step-card { padding: 20px 16px; }

  .footer-grid { grid-template-columns: 1fr; gap: 20px; }

  .page-header { padding: 96px 0 32px; }
  .page-header h1 { font-size: 1.6rem; }

  .lang-switch { padding: 4px 10px; font-size: 0.8rem; }

  .hero-visual img { border-radius: var(--radius); }
  .feature-image { border-radius: var(--radius); }
}