/* ═══════════════════════════════════════════════════
   WPS Office - office-wps-com.hl.cn
   Theme: Modern Teal/Cyan Gradient with Geometric Accents
   ═══════════════════════════════════════════════════ */

:root {
  --primary: #0d9488;
  --primary-dark: #0f766e;
  --primary-light: #14b8a6;
  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --gradient: linear-gradient(135deg, #0d9488 0%, #06b6d4 50%, #0ea5e9 100%);
  --gradient-soft: linear-gradient(135deg, #f0fdfa 0%, #ecfeff 50%, #f0f9ff 100%);
  --bg: #ffffff;
  --bg-alt: #f8fafb;
  --bg-dark: #0f172a;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(13, 148, 136, 0.12);
  --shadow-lg: 0 12px 40px rgba(13, 148, 136, 0.18);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ═══════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════ */

.topnav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(24px, calc((100% - 1280px) / 2));
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--primary);
}

.nav-brand svg {
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 28px;
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(13, 148, 136, 0.08);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(13, 148, 136, 0.12);
  font-weight: 600;
}

.nav-cta {
  margin-left: 12px;
  padding: 12px 28px;
  background: var(--gradient);
  color: #fff !important;
  font-weight: 700;
  border-radius: 28px;
  box-shadow: 0 4px 16px rgba(13, 148, 136, 0.3);
  transition: all var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.4);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ═══════════════════════════════════════════════════
   HERO SECTION - Split Layout with Floating Elements
   ═══════════════════════════════════════════════════ */

.hero {
  min-height: 100vh;
  padding: 120px max(24px, calc((100% - 1280px) / 2)) 80px;
  background: var(--gradient-soft);
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(13, 148, 136, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  flex: 1;
  max-width: 600px;
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 148, 136, 0.1);
  color: var(--primary);
  padding: 8px 18px;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(13, 148, 136, 0.2);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  min-height: 400px;
}

.hero-graphic {
  position: relative;
  width: 380px;
  height: 380px;
}

.hero-hex {
  position: absolute;
  width: 200px;
  height: 230px;
  background: var(--gradient);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  animation: float 4s ease-in-out infinite;
}

.hero-hex.main {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-hex.small {
  width: 80px;
  height: 92px;
  background: rgba(13, 148, 136, 0.15);
  animation-delay: -1s;
}

.hero-hex.small:nth-child(2) {
  top: 10%;
  left: 10%;
}

.hero-hex.small:nth-child(3) {
  top: 15%;
  right: 5%;
  animation-delay: -2s;
}

.hero-hex.small:nth-child(4) {
  bottom: 10%;
  left: 5%;
  animation-delay: -0.5s;
}

.hero-hex.small:nth-child(5) {
  bottom: 15%;
  right: 10%;
  animation-delay: -1.5s;
}

@keyframes float {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-15px); }
}

.hero-hex.small:nth-child(2),
.hero-hex.small:nth-child(3),
.hero-hex.small:nth-child(4),
.hero-hex.small:nth-child(5) {
  animation-name: floatSmall;
}

@keyframes floatSmall {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: left;
}

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 32px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(13, 148, 136, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(13, 148, 136, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 12px 24px;
  font-size: 0.9rem;
}

/* ═══════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════ */

section {
  padding: 100px max(24px, calc((100% - 1280px) / 2));
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  background: rgba(13, 148, 136, 0.1);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════
   FEATURES - Hexagonal Cards Grid
   ═══════════════════════════════════════════════════ */

.features-section {
  background: var(--bg-alt);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

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

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

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-soft);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 1px solid rgba(13, 148, 136, 0.15);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════
   PLATFORMS - Horizontal Scroll Strip
   ═══════════════════════════════════════════════════ */

.platforms-section {
  background: var(--bg-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.platforms-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at top right, rgba(13, 148, 136, 0.2) 0%, transparent 60%);
  pointer-events: none;
}

.platforms-section .section-title {
  color: #fff;
}

.platforms-section .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  position: relative;
  z-index: 1;
}

.platform-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}

.platform-card:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent);
  transform: translateY(-4px);
}

.platform-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.platform-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.platform-card span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ═══════════════════════════════════════════════════
   REVIEWS - Testimonial Cards
   ═══════════════════════════════════════════════════ */

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.review-card:hover {
  box-shadow: var(--shadow);
  border-color: transparent;
}

.review-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.review-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.review-info h5 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.review-info span {
  font-size: 0.82rem;
  color: var(--text-light);
}

/* ═══════════════════════════════════════════════════
   FAQ - Accordion Style
   ═══════════════════════════════════════════════════ */

.faq-section {
  background: var(--gradient-soft);
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  gap: 16px;
  user-select: none;
  transition: background var(--transition);
}

.faq-question:hover {
  background: rgba(13, 148, 136, 0.04);
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(13, 148, 136, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-answer-inner {
  padding: 0 28px 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

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

.faq-item.open .faq-icon svg {
  stroke: #fff;
}

/* ═══════════════════════════════════════════════════
   CTA BANNER
   ═══════════════════════════════════════════════════ */

.cta-banner {
  background: var(--gradient);
  color: #fff;
  text-align: center;
  padding: 80px max(24px, calc((100% - 1280px) / 2));
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

/* ═══════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════ */

.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px max(24px, calc((100% - 1280px) / 2)) 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--accent-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 28px;
  text-align: center;
}

.footer-security {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--accent-light);
  margin-bottom: 12px;
}

.footer-copy {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
}

/* ═══════════════════════════════════════════════════
   DOWNLOAD PAGE SPECIFIC
   ═══════════════════════════════════════════════════ */

.download-hero {
  background: var(--gradient);
  color: #fff;
  padding: 140px max(24px, calc((100% - 1280px) / 2)) 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.download-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at bottom, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.download-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.download-hero p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.download-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: -60px;
  position: relative;
  z-index: 10;
}

.download-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.download-card.featured {
  border: 2px solid var(--primary);
  transform: scale(1.02);
}

.download-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(13, 148, 136, 0.2);
}

.download-card.featured:hover {
  transform: scale(1.02) translateY(-6px);
}

.download-card-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--gradient-soft);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(13, 148, 136, 0.15);
}

.download-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.download-card .version {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.download-card .btn {
  width: 100%;
}

.featured-badge {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  padding: 4px 14px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 16px;
}

/* ═══════════════════════════════════════════════════
   COMPARISON TABLE
   ═══════════════════════════════════════════════════ */

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.comparison-table th,
.comparison-table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  background: var(--bg-alt);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
}

.comparison-table td {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:hover td {
  background: rgba(13, 148, 136, 0.03);
}

.check-icon {
  color: var(--primary);
}

.cross-icon {
  color: var(--text-light);
}

/* ═══════════════════════════════════════════════════
   TIMELINE LAYOUT (for zh-cn page)
   ═══════════════════════════════════════════════════ */

.timeline-section {
  position: relative;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient);
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
  text-align: right;
  padding-right: 60px;
  padding-left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
  padding-left: 60px;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  border: 4px solid #fff;
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.2);
  z-index: 1;
}

.timeline-content {
  flex: 1;
  max-width: calc(50% - 30px);
}

.timeline-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.timeline-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════ */

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 140px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    min-height: 300px;
  }

  .hero-graphic {
    width: 300px;
    height: 300px;
  }

  .hero-hex.main {
    width: 160px;
    height: 185px;
  }

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

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: column;
  }

  .timeline-dot {
    left: 20px;
  }

  .timeline-content,
  .timeline-item:nth-child(odd) .timeline-content {
    max-width: 100%;
    padding-left: 60px !important;
    padding-right: 0 !important;
    text-align: left !important;
  }
}

@media (max-width: 768px) {
  .topnav {
    height: 64px;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    gap: 8px;
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    margin-left: 0;
    width: 100%;
    text-align: center;
  }

  section {
    padding: 60px 20px;
  }

  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }

  .hero-visual {
    display: none;
  }

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

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

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

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

  .download-cards {
    grid-template-columns: 1fr;
    margin-top: -40px;
  }

  .download-card.featured {
    transform: none;
  }

  .download-card.featured:hover {
    transform: translateY(-6px);
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-stats {
    gap: 24px;
  }

  .stat-num {
    font-size: 1.6rem;
  }

  .btn {
    padding: 14px 24px;
    font-size: 0.95rem;
  }

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