/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5fa;
  --bg-card: #ffffff;
  --bg-card-hover: #f8f8fc;
  --bg-input: #f3f4f6;
  --border-color: #e2e4ea;
  --border-hover: #c7c9d4;
  --text-primary: #1a1a2e;
  --text-secondary: #5a5b78;
  --text-muted: #9495a8;
  --accent: #6366f1;
  --accent-light: #4f46e5;
  --accent-dark: #4338ca;
  --accent-glow: rgba(99, 102, 241, 0.2);
  --gradient-1: linear-gradient(135deg, #6366f1, #a855f7);
  --gradient-2: linear-gradient(135deg, #6366f1, #06b6d4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.1);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  font-size: 1.5rem;
}

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

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-cta {
  background: var(--gradient-1);
  color: white !important;
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

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

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.15;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: var(--accent);
  top: -200px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: #a855f7;
  bottom: -150px;
  left: -100px;
  animation: float 8s ease-in-out infinite reverse;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

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

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: 32px;
  animation: fadeInUp 0.6s ease;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

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

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 40px;
  line-height: 1.8;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  animation: fadeInUp 0.6s ease 0.4s both;
}

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

.stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px var(--accent-glow);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(99, 102, 241, 0.05);
}

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* ===== Announcement Bar ===== */
.announcement-bar {
  background: linear-gradient(90deg, var(--accent-dark), #7c3aed, var(--accent-dark));
  padding: 10px 0;
  overflow: hidden;
  white-space: nowrap;
}

.announcement-track {
  display: inline-flex;
  gap: 48px;
  animation: scroll 30s linear infinite;
}

.announcement-track span {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Section Base ===== */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--bg-secondary);
}

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

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-light);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== Products ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
  opacity: 0;
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

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

.product-card.featured {
  border-color: rgba(99, 102, 241, 0.3);
  background: rgba(99, 102, 241, 0.03);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.08);
}

.product-card.featured::before {
  opacity: 1;
}

.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
}

.badge-hot {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-popular {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-light);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge-lite {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.product-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.product-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-features {
  list-style: none;
  margin-bottom: 16px;
}

.product-features li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 4px 0;
}

.product-model {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.product-model code {
  background: rgba(99, 102, 241, 0.08);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
}

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}

.pricing-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.pricing-featured {
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.03);
  transform: scale(1.05);
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.1);
}

.pricing-featured:hover {
  transform: scale(1.05) translateY(-4px);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.15);
}

.pricing-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-1);
  color: white;
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-tag-trial {
  background: linear-gradient(135deg, #10b981, #059669);
}

.pricing-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.pricing-price {
  margin-bottom: 8px;
}

.price-currency {
  font-size: 1.2rem;
  font-weight: 600;
  vertical-align: top;
  color: var(--text-secondary);
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-quota {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 24px;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: '✓';
  color: var(--accent);
  margin-right: 8px;
  font-weight: 700;
}

.pricing-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 32px;
}

/* ===== Advantages ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.advantage-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.advantage-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.advantage-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

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

/* ===== Steps / Guide ===== */
.steps-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  flex: 1;
  max-width: 250px;
  transition: var(--transition);
}

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

.step-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
  line-height: 1;
}

.step-icon {
  font-size: 2rem;
  margin: 8px 0 12px;
}

.step-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.step-connector {
  display: flex;
  align-items: center;
  padding-top: 60px;
  color: var(--text-muted);
}

/* API Config Box */
.api-config-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.api-config-box h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.config-item {
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.config-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.config-value {
  display: flex;
  align-items: center;
  gap: 10px;
}

.config-value code {
  flex: 1;
  font-size: 0.8rem;
  color: var(--accent);
  word-break: break-all;
}

/* ===== Copy Button ===== */
.copy-btn {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: inherit;
}

.copy-btn:hover {
  background: rgba(99, 102, 241, 0.15);
}

.copy-btn.copied {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.3);
  color: #16a34a;
}

/* ===== Query Section ===== */
.query-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.query-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.query-card:hover {
  border-color: var(--border-hover);
}

.query-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.query-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.query-card > p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.query-input-group {
  display: flex;
  gap: 10px;
}

.query-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
  font-family: inherit;
  transition: var(--transition);
}

.query-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.query-result {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ===== After-Sales ===== */
.aftersales-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.aftersales-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.aftersales-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.aftersales-card h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.aftersales-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-arrow {
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

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

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

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 20px;
}

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

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.contact-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.contact-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-value {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  word-break: break-all;
}

/* ===== Partner ===== */
.partner-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.partner-benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.benefit-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  transition: var(--transition);
}

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

.benefit-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.benefit-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.benefit-item p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.partner-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.partner-form h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.partner-form input,
.partner-form textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  font-family: inherit;
  transition: var(--transition);
  resize: none;
}

.partner-form input:focus,
.partner-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.partner-form input::placeholder,
.partner-form textarea::placeholder {
  color: var(--text-muted);
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 48px 0 24px;
  background: var(--bg-primary);
}

.footer-content {
  text-align: center;
  margin-bottom: 24px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 12px;
}

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

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Scroll Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Mobile Responsive ===== */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .pricing-featured {
    transform: none;
  }

  .pricing-featured:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
  }

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

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

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

  .stat-divider {
    display: none;
  }

  .products-grid,
  .advantages-grid,
  .aftersales-grid {
    grid-template-columns: 1fr;
  }

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

  .steps-grid {
    flex-direction: column;
    align-items: center;
  }

  .step-connector {
    transform: rotate(90deg);
    padding-top: 0;
  }

  .step-card {
    max-width: 100%;
    width: 100%;
  }

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

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

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

  .partner-content {
    grid-template-columns: 1fr;
  }

  .partner-benefits {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .query-input-group {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}