/* ==========================================================================
   速云 (SuYun) Design System - Pure Native CSS
   Business Minimalist & Ultra-Fast Modern Theme
   ========================================================================== */

:root {
  /* Color Palette - Business Minimalist Dark */
  --bg-dark: #090d16;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(26, 38, 66, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-color: rgba(255, 255, 255, 0.09);
  --border-glow: rgba(0, 242, 254, 0.4);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-cyan: #00f2fe;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-green: #10b981;
  --accent-gold: #f59e0b;

  --gradient-primary: linear-gradient(135deg, #00f2fe 0%, #3b82f6 100%);
  --gradient-glow: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);

  /* Spacing & Layout */
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 90% 70%, rgba(59, 130, 246, 0.06) 0%, transparent 45%);
  background-attachment: fixed;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Section Header */
.section-title-wrap {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px auto;
}

.section-tag {
  display: inline-block;
  padding: 5px 16px;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.25);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #040914;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 242, 254, 0.55);
  filter: brightness(1.1);
}

.btn-glow {
  background: var(--gradient-glow);
  color: #ffffff;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.7);
  filter: brightness(1.15);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

/* Header & Navigation Catalog */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(9, 13, 22, 0.82);
  border-bottom: 1px solid var(--border-color);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #040914;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.35);
}

.logo-text span {
  color: var(--accent-cyan);
}

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

.nav-catalog a {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 6px 0;
}

.nav-catalog a:hover {
  color: var(--accent-cyan);
}

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

.nav-catalog a:hover::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hero 2-Column Split Layout */
.hero {
  padding: 150px 0 90px 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-left {
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.06);
  border: 1px solid rgba(0, 242, 254, 0.25);
  color: var(--accent-cyan);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -1px;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #ffffff 40%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 36px;
}

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

/* Status Dashboard Bar */
.status-bar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-item .val {
  color: var(--accent-green);
  font-weight: 700;
}

/* Dynamic Hero Showcase Graphics */
.hero-showcase {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.showcase-glass-box {
  background: linear-gradient(145deg, rgba(20, 30, 55, 0.8) 0%, rgba(10, 16, 30, 0.9) 100%);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.showcase-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.showcase-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.live-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.12);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* Animated Floating Node Cards */
.floating-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.node-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  transition: var(--transition);
  animation: floatCard 6s ease-in-out infinite alternate;
}

.node-row:nth-child(2) {
  animation-delay: -2s;
}

.node-row:nth-child(3) {
  animation-delay: -4s;
}

@keyframes floatCard {
  0% { transform: translateY(0px); border-color: rgba(255, 255, 255, 0.06); }
  50% { transform: translateY(-4px); border-color: rgba(0, 242, 254, 0.25); }
  100% { transform: translateY(0px); border-color: rgba(255, 255, 255, 0.06); }
}

.node-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.flag-icon {
  font-size: 1.2rem;
}

.node-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.node-type {
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

.node-ping {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

/* Mini Unlock Badges */
.ai-unlock-badge-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.mini-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mini-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
}

/* Feature Cards Section (3 Grid) */
.features-section {
  padding: 90px 0;
}

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

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

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

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 242, 254, 0.3);
  background: var(--bg-card-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Streaming & AI Cards Section */
.ecosystem-section {
  padding: 90px 0;
  background: linear-gradient(180deg, rgba(9, 13, 22, 0) 0%, rgba(15, 23, 42, 0.5) 50%, rgba(9, 13, 22, 0) 100%);
}

.eco-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.eco-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  transition: var(--transition);
}

.eco-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.eco-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 1.15rem;
}

.eco-icon-ai {
  background: linear-gradient(135deg, #10a37f 0%, #0d8a6a 100%);
  color: #fff;
}

.eco-icon-claude {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  color: #fff;
}

.eco-icon-mj {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #fff;
}

.eco-icon-nf {
  background: linear-gradient(135deg, #e50914 0%, #b81d24 100%);
  color: #fff;
}

.eco-icon-dp {
  background: linear-gradient(135deg, #113ccf 0%, #00146b 100%);
  color: #fff;
}

.eco-icon-yt {
  background: linear-gradient(135deg, #ff0000 0%, #c40000 100%);
  color: #fff;
}

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

.eco-content p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.eco-tag {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
}

/* Pricing Table Section - Real Market Pricing */
.pricing-section {
  padding: 90px 0 60px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card.popular {
  border-color: var(--accent-cyan);
  background: linear-gradient(180deg, rgba(0, 242, 254, 0.08) 0%, rgba(15, 23, 42, 0.88) 100%);
  box-shadow: 0 0 35px rgba(0, 242, 254, 0.15);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #040914;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 242, 254, 0.4);
}

.plan-name {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  min-height: 40px;
  margin-bottom: 20px;
}

.plan-price {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 20px;
}

.plan-price span {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.plan-features li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.plan-features li .check {
  color: var(--accent-cyan);
  font-weight: bold;
}

/* SEO Articles Card Component Section */
.articles-section {
  padding: 80px 0 90px 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.4) 0%, rgba(9, 13, 22, 0.9) 100%);
  border-top: 1px solid var(--border-color);
}

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

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 242, 254, 0.35);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.article-card.featured-suyun {
  border-color: var(--accent-cyan);
  background: linear-gradient(180deg, rgba(0, 242, 254, 0.06) 0%, rgba(15, 23, 42, 0.85) 100%);
}

.article-category {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  margin-bottom: 14px;
}

.article-title-link {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 12px;
  transition: var(--transition);
}

.article-title-link:hover {
  color: var(--accent-cyan);
}

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.article-footer .read-more {
  color: var(--accent-cyan);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.article-footer .read-more:hover {
  gap: 8px;
}

/* Testimonials / User Reviews */
.reviews-section {
  padding: 80px 0;
}

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

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
}

.review-stars {
  color: #fbbf24;
  margin-bottom: 14px;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #000;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-name {
  font-size: 0.95rem;
  font-weight: 700;
}

.user-role {
  font-size: 0.8rem;
  color: var(--text-dim);
}

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

details {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: var(--transition);
}

details[open] {
  border-color: rgba(0, 242, 254, 0.3);
  background: var(--bg-card-hover);
}

summary {
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-main);
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--accent-cyan);
  transition: transform 0.2s;
}

details[open] summary::after {
  content: '−';
}

.faq-answer {
  margin-top: 14px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Footer Section - Clean & PBN SEO Dofollow Matrix Links */
.footer {
  padding: 50px 0 30px 0;
  background: #05080f;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-nav-strict {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-nav-strict a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-nav-strict a:hover {
  color: var(--accent-cyan);
}

/* PBN SEO Matrix Friendly Links */
.footer-pbn-links {
  margin: 18px 0 20px 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-pbn-links .pbn-label {
  color: var(--text-dim);
  font-weight: 600;
}

.footer-pbn-links .pbn-link {
  color: var(--accent-cyan);
  font-weight: 600;
  transition: var(--transition);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-pbn-links .pbn-link:hover {
  color: #ffffff;
}

.footer-pbn-links .pbn-sep {
  color: var(--border-color);
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Single Article Reader Page Layout */
.article-header {
  padding: 140px 0 40px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.4);
}

.article-header h1 {
  font-size: 2.2rem;
  font-weight: 900;
  margin-top: 12px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.article-header-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 0.875rem;
  color: var(--text-dim);
}

.article-content-body {
  padding: 50px 0 80px 0;
  max-width: 860px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.85;
  color: #cbd5e1;
}

.article-content-body h2 {
  font-size: 1.6rem;
  color: var(--text-main);
  margin: 36px 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-content-body h3 {
  font-size: 1.3rem;
  color: var(--accent-cyan);
  margin: 24px 0 12px 0;
}

.article-content-body p {
  margin-bottom: 20px;
}

.article-content-body ul, .article-content-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-content-body li {
  margin-bottom: 8px;
}

.article-content-body blockquote {
  border-left: 4px solid var(--accent-cyan);
  padding: 16px 20px;
  background: rgba(0, 242, 254, 0.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-style: italic;
  color: var(--text-main);
}

.article-content-body a.internal-link {
  color: var(--accent-cyan);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-content-body a.internal-link:hover {
  color: #ffffff;
}

.article-cta-box {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.1) 0%, rgba(37, 99, 235, 0.15) 100%);
  border: 1px solid rgba(0, 242, 254, 0.3);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  margin: 40px 0;
}

.article-cta-box h3 {
  font-size: 1.4rem;
  color: var(--text-main);
  margin-bottom: 10px;
}

.article-cta-box p {
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-left {
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .status-bar {
    justify-content: center;
  }
  .features-grid, .eco-grid, .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-catalog {
    display: none;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  .features-grid, .eco-grid, .reviews-grid, .pricing-grid, .articles-grid {
    grid-template-columns: 1fr;
  }
  .footer-nav-strict {
    gap: 20px;
    flex-direction: column;
  }
}