/* ========================================
   快连LetsVPN官网 - 全局样式
   域名: klvpnw.com.cn
   ======================================== */

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

:root {
  --primary: #2563EB;
  --primary-dark: #1E40AF;
  --primary-light: #3B82F6;
  --accent: #06B6D4;
  --accent-light: #22D3EE;
  --success: #10B981;
  --bg-white: #FFFFFF;
  --bg-light: #F8FAFC;
  --bg-gray: #F1F5F9;
  --text-dark: #1A1A2E;
  --text-body: #4A4A6A;
  --text-muted: #6B7280;
  --border: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Display', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-body);
  background: var(--bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.3;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  line-height: 1.8;
}

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

/* Section */
.section {
  padding: 80px 0;
}

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

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

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

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  gap: 8px;
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,235,0.35);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.45);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  color: #fff;
  box-shadow: 0 4px 14px rgba(6,182,212,0.35);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6,182,212,0.45);
}

.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: var(--shadow-md);
}

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

.btn-lg {
  padding: 18px 40px;
  font-size: 1.125rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

/* ========================================
   Header / Navigation
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 900;
}

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

.nav a {
  padding: 8px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-body);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav a:hover {
  color: var(--primary);
  background: rgba(37,99,235,0.06);
}

.nav a.active {
  color: var(--primary);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  padding: 6px 14px;
  font-size: 0.875rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

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

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

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

.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

.mobile-nav a {
  display: block;
  padding: 12px 16px;
  font-size: 1rem;
  color: var(--text-body);
  border-radius: var(--radius-sm);
}

.mobile-nav a:hover {
  background: var(--bg-light);
  color: var(--primary);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(180deg, #EEF2FF 0%, #FFFFFF 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.06) 0%, transparent 70%);
  border-radius: 50%;
}

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

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.15);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

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

.hero-stat .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}

.hero-stat .label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}

.trust-badge .badge-icon {
  width: 24px;
  height: 24px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.7rem;
}

/* ========================================
   Features / Selling Points Grid
   ======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37,99,235,0.2);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(6,182,212,0.1));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

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

/* ========================================
   Product Detail Section
   ======================================== */
.product-detail {
  display: flex;
  align-items: center;
  gap: 60px;
  margin-bottom: 80px;
}

.product-detail:last-child {
  margin-bottom: 0;
}

.product-detail.reverse {
  flex-direction: row-reverse;
}

.product-detail-text {
  flex: 1;
}

.product-detail-visual {
  flex: 1;
  display: flex;
  justify-content: center;
}

.product-detail-text .tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(37,99,235,0.08);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 16px;
}

.product-detail-text h3 {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.product-detail-text p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.product-mockup {
  width: 320px;
  height: 220px;
  background: linear-gradient(135deg, var(--bg-light), var(--bg-gray));
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  box-shadow: var(--shadow-md);
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.pricing-card.popular {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}

.pricing-card.popular::before {
  content: '最受欢迎';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 4px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

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

.pricing-card.popular:hover {
  transform: scale(1.02) translateY(-4px);
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  margin: 16px 0;
}

.pricing-card .price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-table {
  width: 100%;
  max-width: 900px;
  margin: 40px auto 0;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.pricing-table th,
.pricing-table td {
  padding: 16px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.pricing-table th {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
}

.pricing-table td {
  font-size: 0.95rem;
}

.pricing-table tr:nth-child(even) {
  background: var(--bg-light);
}

.pricing-table tr:hover td {
  background: rgba(37,99,235,0.04);
}

/* ========================================
   Security / Trust Section
   ======================================== */
.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.security-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  gap: 20px;
  transition: var(--transition);
}

.security-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.security-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: linear-gradient(135deg, rgba(16,185,129,0.1), rgba(6,182,212,0.1));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

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

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

.cert-badges {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 32px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.cert-badge:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.cert-badge-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--success), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
}

.cert-badge span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  text-align: center;
}

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

.testimonial-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.testimonial-stars {
  color: #FBBF24;
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-dark);
}

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

/* ========================================
   FAQ Section
   ======================================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(37,99,235,0.3);
}

.faq-question {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--bg-light);
}

.faq-question .arrow {
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.faq-answer {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
  display: none;
  background: #fff;
}

.faq-item.active .faq-answer {
  display: block;
}

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

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
  padding: 80px 0;
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  color: #fff;
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.125rem;
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto 32px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--text-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}

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

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.8;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer-col a:hover {
  color: #fff;
  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: 16px;
}

.footer-bottom p {
  font-size: 0.85rem;
  margin: 0;
  opacity: 0.6;
}

.footer-badges {
  display: flex;
  gap: 16px;
}

.footer-badge {
  padding: 6px 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
}

/* ========================================
   Page-specific: Guide / Steps
   ======================================== */
.steps-container {
  max-width: 800px;
  margin: 0 auto;
}

.step-item {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
  position: relative;
}

.step-item::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: -40px;
  width: 2px;
  background: var(--border);
}

.step-item:last-child::before {
  display: none;
}

.step-number {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
}

.step-content h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ========================================
   Page-specific: Help / FAQ Detail
   ======================================== */
.help-category {
  margin-bottom: 48px;
}

.help-category h3 {
  font-size: 1.35rem;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.help-question {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 20px;
}

.help-question h4 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--primary);
}

.help-steps {
  counter-reset: step;
}

.help-step {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  padding: 12px 0;
}

.help-step:last-child {
  margin-bottom: 0;
}

.help-step-num {
  width: 28px;
  height: 28px;
  min-width: 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: 2px;
}

.help-step-text {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.8;
}

/* ========================================
   Page-specific: Downloads
   ======================================== */
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

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

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

.download-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(6,182,212,0.1));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

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

.download-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ========================================
   Breadcrumb
   ======================================== */
.breadcrumb {
  padding: 100px 0 20px;
  background: var(--bg-light);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

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

.breadcrumb-list a:hover {
  color: var(--primary);
}

.breadcrumb-list .separator {
  color: var(--text-muted);
  opacity: 0.5;
}

.breadcrumb-list .current {
  color: var(--text-dark);
  font-weight: 500;
}

/* Page Header */
.page-header {
  background: var(--bg-light);
  padding: 20px 0 60px;
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   Legal Pages (Privacy / Terms)
   ======================================== */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h3 {
  font-size: 1.3rem;
  margin: 32px 0 16px;
  color: var(--text-dark);
}

.legal-content p {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-body);
}

.legal-content ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-content ul li {
  list-style: disc;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: 8px;
}

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

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

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

@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.75rem; }

  .nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .mobile-nav.open { display: block; }

  .header-actions .btn { display: none; }

  .hero {
    padding: 120px 0 60px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-stats {
    gap: 24px;
  }

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

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

  .product-detail,
  .product-detail.reverse {
    flex-direction: column;
    gap: 32px;
  }

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

  .pricing-card.popular {
    transform: none;
  }

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

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

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

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

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

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

  .section {
    padding: 60px 0;
  }

  .cta-section h2 {
    font-size: 1.75rem;
  }

  .page-header h1 {
    font-size: 1.8rem;
  }
}

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

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

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

  .pricing-table {
    font-size: 0.85rem;
  }

  .pricing-table th,
  .pricing-table td {
    padding: 10px 12px;
  }
}