/* Vaporwave Cyber Neon Style for jiuyunjc.homes */
:root {
  --bg-gradient: linear-gradient(135deg, #12072b 0%, #1c0a35 40%, #2a0845 70%, #0d0518 100%);
  --grid-color: rgba(236, 72, 153, 0.12);
  --neon-pink: #ff2a8d;
  --neon-purple: #9d4edd;
  --neon-cyan: #00f0ff;
  --neon-blue: #3b82f6;
  --dark-card: rgba(30, 15, 55, 0.75);
  --dark-card-border: rgba(255, 42, 141, 0.3);
  --glow-pink: 0 0 20px rgba(255, 42, 141, 0.4);
  --glow-purple: 0 0 20px rgba(157, 78, 221, 0.4);
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.4);
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.7;
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grid overlay effect like Image 1 */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: 
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 7, 43, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 42, 141, 0.25);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.7rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: #cbd5e1;
  font-weight: 600;
  font-size: 0.98rem;
  transition: all 0.3s ease;
}

.nav-links a:hover {
  color: var(--neon-pink);
  text-shadow: 0 0 10px rgba(255, 42, 141, 0.6);
}

.register-btn {
  background: linear-gradient(90deg, #ff2a8d 0%, #9d4edd 100%);
  color: white !important;
  padding: 9px 24px;
  border-radius: 50px;
  box-shadow: 0 0 15px rgba(255, 42, 141, 0.5);
  transition: all 0.3s ease !important;
  font-weight: 700 !important;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.register-btn:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 0 25px rgba(255, 42, 141, 0.8), 0 0 10px rgba(0, 240, 255, 0.5);
}

/* Keyword tags bar */
.keyword-tags-bar {
  background: rgba(10, 3, 25, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.75rem 1rem;
}

.tags-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.kw-tag {
  background: rgba(40, 20, 70, 0.6);
  color: #e2e8f0;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 20px;
  text-decoration: none;
  border: 1px solid rgba(157, 78, 221, 0.3);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.kw-tag:hover {
  background: rgba(255, 42, 141, 0.2);
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
  transform: translateY(-2px);
}

/* Layout Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  position: relative;
  z-index: 1;
}

/* Floating Light Orbs Dynamic Ornament */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  animation: floatOrb 12s infinite alternate ease-in-out;
}
.orb-1 { width: 350px; height: 350px; background: var(--neon-pink); top: 10%; right: 5%; }
.orb-2 { width: 400px; height: 400px; background: var(--neon-purple); bottom: 15%; left: 5%; animation-delay: -6s; }

@keyframes floatOrb {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(-40px) scale(1.1); }
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 1rem 3rem 1rem;
  position: relative;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 42, 141, 0.15);
  border: 1px solid var(--neon-pink);
  color: var(--neon-pink);
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  box-shadow: var(--glow-pink);
  letter-spacing: 1px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, #ffffff 0%, #f472b6 50%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 2.5rem auto;
}

.hero-btns {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  align-items: center;
}

.btn-primary {
  background: linear-gradient(90deg, #ff2a8d, #9d4edd);
  color: white;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(255, 42, 141, 0.5);
  transition: all 0.3s ease;
  border: 1px solid rgba(255,255,255,0.4);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 0 35px rgba(255, 42, 141, 0.8), 0 0 15px rgba(0, 240, 255, 0.6);
}

.btn-secondary {
  background: rgba(30, 15, 55, 0.8);
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(0, 240, 255, 0.15);
  transform: translateY(-3px);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
}

/* Vaporwave Card Box (Style from Image 1) */
.vapor-box {
  background: var(--dark-card);
  border: 1px solid var(--dark-card-border);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), inset 0 0 15px rgba(255, 42, 141, 0.1);
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
  margin-bottom: 3rem;
}

.vapor-box::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan));
}

.section-title {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 2.5rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.section-title span {
  color: var(--neon-pink);
}

/* Advantages Grid */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.adv-card {
  background: rgba(20, 10, 40, 0.6);
  border: 1px solid rgba(157, 78, 221, 0.25);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.adv-card:hover {
  transform: translateY(-5px);
  border-color: var(--neon-pink);
  box-shadow: 0 10px 30px rgba(255, 42, 141, 0.25);
}

.adv-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.adv-card h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 0.75rem;
}

.adv-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Pricing Grid (Strictly based on Image 2) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.pricing-card {
  background: #0f1629; /* Deep blue-dark container matching Image 2 */
  border: 1px solid #1e293b;
  border-radius: 14px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pricing-card:hover {
  border-color: #3b82f6;
  box-shadow: 0 0 25px rgba(59, 130, 246, 0.3);
  transform: translateY(-5px);
}

.plan-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
}

.plan-price {
  font-size: 2.2rem;
  font-weight: 900;
  color: #3b82f6; /* Bright blue price color matching Image 2 */
  margin-bottom: 0.8rem;
}

.plan-price span {
  font-size: 1rem;
  color: #94a3b8;
  font-weight: 400;
}

.plan-desc {
  font-size: 1.1rem;
  color: #94a3b8;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.plan-btn {
  display: block;
  width: 100%;
  padding: 10px 0;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid #3b82f6;
  color: #60a5fa;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
}

.plan-btn:hover {
  background: #3b82f6;
  color: #ffffff;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.5);
}

/* Articles Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.article-card {
  background: rgba(20, 10, 40, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.article-card:hover {
  border-color: var(--neon-purple);
  box-shadow: 0 8px 25px rgba(157, 78, 221, 0.3);
  transform: translateY(-4px);
}

.article-badge {
  align-self: flex-start;
  background: rgba(0, 240, 255, 0.15);
  color: var(--neon-cyan);
  border: 1px solid var(--neon-cyan);
  padding: 3px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.article-card h3 {
  font-size: 1.2rem;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.article-card h3 a {
  color: #f8fafc;
  text-decoration: none;
  transition: color 0.2s ease;
}

.article-card h3 a:hover {
  color: var(--neon-pink);
}

.article-snippet {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 1.2rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: #64748b;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 0.75rem;
}

/* FAQ Styles */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.faq-item {
  background: rgba(20, 10, 40, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 1.5rem;
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--neon-cyan);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.faq-answer {
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.6;
}

/* Article Detail Page Layout */
.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 42, 141, 0.2);
}

.article-header h1 {
  font-size: 2.3rem;
  font-weight: 800;
  color: #ffffff;
  margin: 1rem 0;
  line-height: 1.3;
}

.article-stats-bar {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--neon-cyan);
  background: rgba(0, 0, 0, 0.2);
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid rgba(0, 240, 255, 0.2);
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #e2e8f0;
}

.article-body h2 {
  font-size: 1.6rem;
  color: var(--neon-pink);
  margin: 2rem 0 1rem 0;
  border-left: 4px solid var(--neon-pink);
  padding-left: 12px;
}

.article-body h3 {
  font-size: 1.3rem;
  color: var(--neon-cyan);
  margin: 1.5rem 0 0.8rem 0;
}

.article-body p {
  margin-bottom: 1.2rem;
}

.article-body ul, .article-body ol {
  margin: 1rem 0 1.5rem 1.8rem;
  color: #cbd5e1;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.cta-box {
  background: linear-gradient(135deg, rgba(255, 42, 141, 0.15) 0%, rgba(157, 78, 221, 0.2) 100%);
  border: 1px solid var(--neon-pink);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  margin: 2.5rem 0;
  box-shadow: var(--glow-pink);
}

.cta-box h3 {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 0.8rem;
}

.cta-box p {
  color: #cbd5e1;
  margin-bottom: 1.5rem;
}

/* Related articles / Interlinks section */
.interlinks-box {
  background: rgba(15, 8, 30, 0.8);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 16px;
  padding: 1.8rem;
  margin: 3rem 0;
}

.interlinks-box h3 {
  font-size: 1.3rem;
  color: var(--neon-cyan);
  margin-bottom: 1rem;
}

.interlinks-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  list-style: none;
}

.interlinks-list a {
  color: #e2e8f0;
  text-decoration: none;
  transition: color 0.2s ease;
  display: block;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.interlinks-list a:hover {
  color: var(--neon-pink);
  border-color: var(--neon-pink);
  background: rgba(255, 42, 141, 0.1);
}

/* Footer */
.footer {
  background: rgba(10, 3, 25, 0.95);
  border-top: 1px solid rgba(255, 42, 141, 0.2);
  padding: 3rem 1.5rem 1.5rem 1.5rem;
  margin-top: 4rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  list-style: none;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
}

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

@media (max-width: 768px) {
  .nav-container { flex-direction: column; gap: 1rem; }
  .nav-links { flex-wrap: wrap; justify-content: center; gap: 1rem; }
  .hero h1 { font-size: 2rem; }
  .hero-btns { flex-direction: column; }
  .pricing-grid { grid-template-columns: 1fr; }
}