/* ==========================================================================
   一支红杏机场 - 新中式月白青黛与凝脂绯红 Design System & Stylesheet
   Theme: Moonlit Celadon Porcelain & Deep Slate Cyan (月白青黛与凝脂绯红)
   Color Palette:
     - Wall Base: #EEF2EF (月白瓷青色 - 高雅冷调墙面)
     - Card Base: rgba(255, 255, 255, 0.92) / Crisp Porcelain White
     - Border Gray: 0.5px solid rgba(15, 23, 42, 0.16)
     - Border Slate: 1px solid rgba(13, 148, 136, 0.25)
     - Text Primary: #0F172A (深青墨色)
     - Text Secondary: #475569 (黛灰)
     - Crimson Red: #E11D48 (凝脂绯红)
     - Crimson Hover: #BE123C
     - Crimson Soft BG: #FFF1F2
     - Jade Teal: #0D9488 (冷翡翠青)
     - Slate Night Footer: #0B131F
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg-wall: #EEF2EF;
  --bg-card: rgba(255, 255, 255, 0.94);
  --bg-card-solid: #FFFFFF;
  --border-fine: 0.5px solid rgba(15, 23, 42, 0.16);
  --border-crimson: 1px solid rgba(225, 29, 72, 0.35);
  --border-jade: 1px solid rgba(13, 148, 136, 0.3);
  
  --text-main: #0F172A;
  --text-muted: #475569;
  --text-light: #94A3B8;
  
  --crimson-primary: #E11D48;
  --crimson-hover: #BE123C;
  --crimson-light: #FFF1F2;
  --crimson-glow: rgba(225, 29, 72, 0.18);
  
  --jade-primary: #0D9488;
  --jade-light: #F0FDF4;
  --slate-dark: #0B131F;
  
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 18px 40px rgba(225, 29, 72, 0.12);
  
  --radius-begonia: 24px;
  --radius-card: 18px;
  --radius-btn: 9999px;
  
  --transition-fast: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-wall);
  background-image: 
    radial-gradient(rgba(13, 148, 136, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(238, 242, 239, 0.95), rgba(238, 242, 239, 0.99));
  background-size: 28px 28px, 100% 100%;
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.8;
  overflow-x: hidden;
  position: relative;
}

/* Canvas Petal Overlay */
#petal-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

.container-narrow {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

/* Typography Helpers */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

.text-crimson {
  color: var(--crimson-primary);
}

.text-jade {
  color: var(--jade-primary);
}

.gradient-text {
  background: linear-gradient(135deg, #0F172A 0%, #E11D48 60%, #0D9488 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(238, 242, 239, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: var(--border-fine);
  transition: var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--crimson-light);
  border: 1px solid rgba(225, 29, 72, 0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: var(--transition-smooth);
}

.brand-logo:hover .logo-icon {
  transform: rotate(15deg) scale(1.05);
  box-shadow: 0 0 16px var(--crimson-glow);
}

.logo-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--crimson-primary);
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.2;
}

.brand-tagline {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.4rem 0;
  transition: var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--crimson-primary);
  transition: var(--transition-fast);
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-link:hover {
  color: var(--crimson-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-btn);
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--crimson-primary) 0%, #BE123C 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(225, 29, 72, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(225, 29, 72, 0.45);
  background: linear-gradient(135deg, #F43F5E 0%, var(--crimson-primary) 100%);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--text-main);
  border: 0.5px solid rgba(15, 23, 42, 0.2);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--crimson-primary);
  color: var(--crimson-primary);
  background: var(--crimson-light);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 0.95rem 2.2rem;
  font-size: 1.05rem;
}

.btn-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* Begonia Trellis Card Design */
.begonia-card {
  background: var(--bg-card);
  border: var(--border-fine);
  border-radius: var(--radius-card);
  padding: 2.2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  backdrop-filter: blur(8px);
}

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

.begonia-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 20px rgba(225, 29, 72, 0.08);
  border-color: rgba(225, 29, 72, 0.35);
}

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

/* Apricot Branch Decorative Accent SVG overlay */
.apricot-branch-accent {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 110px;
  height: 110px;
  pointer-events: none;
  z-index: 3;
  opacity: 0.85;
  transition: transform var(--transition-smooth);
}

.begonia-card:hover .apricot-branch-accent {
  transform: rotate(6deg) scale(1.08);
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: var(--crimson-light);
  border: 1px solid rgba(225, 29, 72, 0.25);
  border-radius: 999px;
  color: var(--crimson-primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--crimson-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--crimson-primary);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(225, 29, 72, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(225, 29, 72, 0); }
}

.hero-title {
  font-size: 2.85rem;
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2.2rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-features-list {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: var(--border-fine);
}

.hero-feat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.hero-feat-item svg {
  width: 16px;
  height: 16px;
  color: var(--crimson-primary);
  flex-shrink: 0;
}

/* Hero Visual Window Card */
.hero-visual-card {
  position: relative;
  background: #FFFFFF;
  border: 0.5px solid rgba(15, 23, 42, 0.2);
  border-radius: 28px;
  padding: 1.75rem;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

.window-frame-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: var(--bg-wall);
}

.hero-banner-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 18px;
  object-fit: cover;
}

.speed-test-widget {
  margin-top: 1.2rem;
  background: #F8FAFC;
  border-radius: 16px;
  padding: 1.2rem;
  border: 0.5px solid rgba(15, 23, 42, 0.1);
}

.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.widget-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ping-tag {
  font-size: 0.78rem;
  padding: 0.2rem 0.6rem;
  background: #ECFDF5;
  color: #059669;
  border-radius: 99px;
  font-weight: 600;
}

.speed-meters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.meter-box {
  background: #FFFFFF;
  padding: 0.85rem;
  border-radius: 12px;
  border: 0.5px solid #E2E8F0;
}

.meter-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.meter-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--crimson-primary);
  font-family: var(--font-sans);
}

/* Section Header Styles */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--crimson-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  display: block;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feat-icon-box {
  width: 52px;
  height: 52px;
  background: var(--crimson-light);
  border: 1px solid rgba(225, 29, 72, 0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--crimson-primary);
  transition: var(--transition-fast);
}

.begonia-card:hover .feat-icon-box {
  background: var(--crimson-primary);
  color: #FFFFFF;
  transform: scale(1.08);
}

.feat-icon-box svg {
  width: 26px;
  height: 26px;
}

.feat-title {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.feat-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Pricing Section */
.pricing-section {
  padding: 5rem 0;
  background: rgba(255, 255, 255, 0.6);
  border-top: var(--border-fine);
  border-bottom: var(--border-fine);
}

.pricing-switcher {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.switch-btn {
  padding: 0.5rem 1.5rem;
  border-radius: 99px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  background: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.switch-btn.active {
  background: var(--crimson-primary);
  color: #FFFFFF;
  border-color: var(--crimson-primary);
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.price-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.price-card.featured {
  border: 1.5px solid var(--crimson-primary);
  background: #FFFFFF;
  transform: translateY(-8px);
  box-shadow: 0 16px 32px rgba(225, 29, 72, 0.12);
}

.price-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--crimson-primary);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
}

.plan-name {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  min-height: 40px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: var(--border-fine);
}

.currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--crimson-primary);
}

.amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1;
}

.period {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-main);
}

.plan-features svg {
  width: 16px;
  height: 16px;
  color: var(--crimson-primary);
  flex-shrink: 0;
}

/* Target Audience Grid */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

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

.audience-avatar {
  width: 64px;
  height: 64px;
  background: var(--crimson-light);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--crimson-primary);
}

.audience-avatar svg {
  width: 32px;
  height: 32px;
}

/* Tutorials Showcase Section */
.tutorials-showcase {
  padding: 5rem 0;
}

.tutorial-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.tut-tab-btn {
  padding: 0.75rem 2rem;
  border-radius: 12px;
  border: 0.5px solid rgba(15, 23, 42, 0.2);
  background: #FFFFFF;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition-fast);
}

.tut-tab-btn.active {
  background: var(--slate-dark);
  color: #FFFFFF;
  border-color: var(--slate-dark);
}

.tut-tab-btn img {
  width: 20px;
  height: 20px;
}

.tutorial-card-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.step-item {
  display: flex;
  gap: 1rem;
}

.step-num {
  width: 32px;
  height: 32px;
  background: var(--crimson-primary);
  color: #FFFFFF;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.step-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Testimonials / User Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.review-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars-row {
  display: flex;
  gap: 0.25rem;
  color: #F59E0B;
  margin-bottom: 1rem;
}

.stars-row svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: var(--border-fine);
}

.user-avatar-text {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--crimson-light);
  color: var(--crimson-primary);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(225, 29, 72, 0.2);
}

.user-info h5 {
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.user-info span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* FAQ Accordion Section */
.faq-section {
  padding: 5rem 0;
  background: rgba(255, 255, 255, 0.7);
  border-top: var(--border-fine);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: #FFFFFF;
  border: var(--border-fine);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item.open {
  border-color: rgba(225, 29, 72, 0.4);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 1rem;
}

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

.faq-icon {
  width: 24px;
  height: 24px;
  transition: transform var(--transition-fast);
  color: var(--text-muted);
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
  color: var(--crimson-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease-out;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  padding: 0 1.5rem 1.25rem;
  max-height: 500px;
}

/* Blog / Articles Grid */
.articles-section {
  padding: 5rem 0;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.article-card {
  background: #FFFFFF;
  border: var(--border-fine);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(225, 29, 72, 0.35);
}

.article-cover {
  width: 100%;
  height: 190px;
  overflow: hidden;
  position: relative;
  background: #F1F5F9;
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-card:hover .article-cover img {
  transform: scale(1.06);
}

.article-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  border-radius: 6px;
}

.article-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.article-title {
  font-size: 1.15rem;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.article-title a {
  text-decoration: none;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.article-title a:hover {
  color: var(--crimson-primary);
}

.article-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-light);
  padding-top: 0.75rem;
  border-top: var(--border-fine);
}

/* Article Detail Page Layout */
.article-header {
  padding: 3.5rem 0 2rem;
  text-align: center;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

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

.article-main-title {
  font-size: 2.4rem;
  line-height: 1.3;
  margin-bottom: 1.25rem;
}

.article-author-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.article-body {
  background: #FFFFFF;
  border: var(--border-fine);
  border-radius: 20px;
  padding: 3rem;
  margin-bottom: 3rem;
  font-size: 1.05rem;
  line-height: 1.95;
  color: #1E293B;
  box-shadow: var(--shadow-sm);
}

.article-body h2 {
  font-size: 1.65rem;
  margin: 2.4rem 0 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--crimson-light);
  color: var(--text-main);
}

.article-body h3 {
  font-size: 1.35rem;
  margin: 1.8rem 0 0.9rem;
  color: var(--crimson-primary);
}

.article-body p {
  margin-bottom: 1.45rem;
  line-height: 1.9;
}

.article-body ul, .article-body ol {
  margin-bottom: 1.6rem;
  padding-left: 1.75rem;
}

.article-body li {
  margin-bottom: 0.6rem;
  line-height: 1.8;
}

.article-body blockquote {
  background: var(--crimson-light);
  border-left: 4px solid var(--crimson-primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 12px 12px 0;
  margin: 1.8rem 0;
  font-style: italic;
  color: var(--text-main);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8rem 0;
  font-size: 0.95rem;
}

.article-body th, .article-body td {
  padding: 0.85rem 1rem;
  border: 1px solid #E2E8F0;
  text-align: left;
}

.article-body th {
  background: #F8FAFC;
  font-weight: 700;
  color: var(--text-main);
}

.article-body code {
  background: #F1F5F9;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-family: monospace;
  font-size: 0.9em;
  color: var(--crimson-primary);
}

.article-body pre {
  background: var(--slate-dark);
  color: #F8FAFC;
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  overflow-x: auto;
  margin: 1.8rem 0;
}

.article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.cta-box-in-article {
  background: linear-gradient(135deg, #FFF1F2 0%, #FFE4E6 100%);
  border: 1px solid rgba(225, 29, 72, 0.35);
  border-radius: 16px;
  padding: 2.2rem;
  text-align: center;
  margin: 2.8rem 0;
}

.cta-box-in-article h4 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  color: var(--crimson-primary);
}

.cta-box-in-article p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

/* Article Page FAQ Component */
.article-faq-block {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 2px stroke #E2E8F0;
}

.related-articles {
  margin-top: 3.5rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* Legal Pages Styling */
.legal-page-header {
  padding: 3rem 0 1.5rem;
  text-align: center;
}

.legal-content-card {
  background: #FFFFFF;
  border: var(--border-fine);
  border-radius: 20px;
  padding: 3rem;
  margin-bottom: 4rem;
  box-shadow: var(--shadow-sm);
  line-height: 1.85;
}

.legal-content-card h2 {
  font-size: 1.45rem;
  margin: 1.8rem 0 0.88rem;
  color: var(--text-main);
}

.legal-content-card p {
  margin-bottom: 1.1rem;
  color: var(--text-muted);
}

/* Footer Styling */
.site-footer {
  background: var(--slate-dark);
  color: #94A3B8;
  padding: 4.5rem 0 2rem;
  border-top: var(--border-fine);
  position: relative;
  z-index: 5;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand .brand-title {
  color: #FFFFFF;
}

.footer-desc {
  margin-top: 1rem;
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer-col-title {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--crimson-primary);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.legal-links-footer {
  display: flex;
  gap: 1.5rem;
}

.legal-links-footer a {
  color: #94A3B8;
  text-decoration: none;
}

.legal-links-footer a:hover {
  color: #FFFFFF;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .features-grid, .pricing-grid, .audience-grid, .reviews-grid, .articles-grid, .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .features-grid, .pricing-grid, .audience-grid, .reviews-grid, .articles-grid, .related-grid {
    grid-template-columns: 1fr;
  }
  .tutorial-card-body {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .price-card.featured {
    transform: none;
  }
}