/* ==========================================================================
   奶优官网 (naiujc.homes) Design System & Global Styles
   Updated Theme: Premium Creamy Milk & Honey Pomelo (Non-Black Light Hero)
   ========================================================================== */

:root {
  /* Primary Milk Palette */
  --milk-white: #ffffff;
  --milk-cream: #fffdfa;
  --milk-warm-bg: #fffaf5;
  --milk-surface: rgba(255, 255, 255, 0.85);
  
  /* Accent Colors */
  --pomelo-honey: #ea580c;
  --pomelo-glow: #f59e0b;
  --pomelo-deep: #dc2626;
  --cream-gold: #d97706;
  --neon-cyan: #0284c7;
  --mint-green: #10b981;
  --cosmic-purple: #7c3aed;

  /* Text & Border Colors */
  --text-dark: #0f172a;
  --text-body: #475569;
  --text-muted: #64748b;
  --border-light: rgba(226, 232, 240, 0.8);
  
  /* Typography */
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-heading: "Outfit", "PingFang SC", sans-serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-card: 0 10px 30px rgba(234, 88, 12, 0.08);
  --shadow-hover: 0 20px 40px rgba(234, 88, 12, 0.15);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--milk-warm-bg);
  color: var(--text-body);
  font-family: var(--font-main);
  overflow-x: hidden;
}

body {
  position: relative;
  line-height: 1.6;
  min-height: 100vh;
}

/* Mouse Trail Canvas */
#cursor-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 99999;
}

/* Utility Containers */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient-pomelo {
  background: linear-gradient(135deg, #ea580c, #f59e0b, #d97706);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #0284c7, #06b6d4, #0891b2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, #ea580c, #dc2626);
  color: #ffffff;
  box-shadow: 0 6px 22px rgba(234, 88, 12, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 30px rgba(234, 88, 12, 0.5);
}

.btn-recommend {
  background: linear-gradient(135deg, #059669, #0284c7);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.3);
}

.btn-recommend:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 28px rgba(2, 132, 199, 0.45);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-dark);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: #ffffff;
  border-color: #ea580c;
  color: #ea580c;
}

.badge-tag {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: 30px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(234, 88, 12, 0.1);
  color: #ea580c;
  border: 1px solid rgba(234, 88, 12, 0.25);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: rgba(255, 253, 250, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  padding: 0.75rem 0;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.06);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-dark);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #ea580c, #f59e0b);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 15px rgba(234, 88, 12, 0.3);
}

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

.nav-links a {
  color: var(--text-body);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: #ea580c;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

/* SECTION 1: HERO (Creamy Milk & Honey Glow Non-Black Background) */
.section-hero {
  position: relative;
  min-height: 100vh;
  padding-top: 140px;
  padding-bottom: 90px;
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 70% 30%, #ffedd5 0%, #fff7ed 40%, #fffaf5 80%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.4rem;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text-dark);
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-body);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(234, 88, 12, 0.15);
}

.stat-item h4 {
  font-size: 1.8rem;
  color: #ea580c;
  font-weight: 800;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* Node Status Preview (Dark Glass contrast inside light hero) */
.hero-card-preview {
  background: #0f172a;
  border: 1px solid rgba(234, 88, 12, 0.3);
  border-radius: 24px;
  padding: 2rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 25px 60px rgba(15, 23, 42, 0.3);
  position: relative;
  color: #ffffff;
}

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

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.8rem 1.2rem;
  border-radius: 12px;
}

.status-flag {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  color: #f8fafc;
}

.status-ping {
  font-size: 0.85rem;
  color: #10b981;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.ping-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* SECTION 2: FEATURES (White Warm Cards) */
.section-features {
  padding: 100px 0;
  background: #ffffff;
  border-top: 1px solid #f1f5f9;
  position: relative;
}

.section-title {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem auto;
}

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  color: var(--text-dark);
}

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

.features-row-container {
  display: grid;
  grid-template-columns: repeat(6, minmax(200px, 1fr));
  gap: 1.25rem;
  overflow-x: auto;
  padding: 0.5rem 0.25rem 1.5rem 0.25rem;
  scroll-snap-type: x mandatory;
}

.feature-card {
  scroll-snap-align: start;
  background: var(--milk-warm-bg);
  border: 1px solid #fed7aa;
  border-radius: 20px;
  padding: 1.8rem 1.2rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-8px);
  background: #ffffff;
  border-color: #ea580c;
  box-shadow: 0 15px 35px rgba(234, 88, 12, 0.15);
}

.feature-icon-svg {
  width: 64px;
  height: 64px;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 6px 12px rgba(234, 88, 12, 0.2));
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  color: var(--text-dark);
  font-weight: 700;
}

.feature-card p {
  color: var(--text-body);
  font-size: 0.88rem;
  line-height: 1.5;
}

/* SECTION 3: INFRASTRUCTURE & UNLOCK */
.section-unlock {
  padding: 100px 0;
  background: linear-gradient(180deg, #fff7ed 0%, #ffedd5 100%);
  position: relative;
}

.unlock-flex {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.unlock-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.6rem;
  background: #ffffff;
  border: 1px solid #fed7aa;
  border-radius: 16px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-dark);
  box-shadow: 0 4px 15px rgba(234, 88, 12, 0.08);
}

/* SECTION 4: PRICING (Continuous Auto-Marquee Track + Neon Lights) */
.section-pricing {
  padding: 100px 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  position: relative;
  overflow: hidden;
  color: #ffffff;
}

.section-pricing .section-title h2 {
  color: #ffffff;
}

.section-pricing .section-title p {
  color: rgba(255, 255, 255, 0.7);
}

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

.toggle-label {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.toggle-switch {
  position: relative;
  width: 60px;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 26px;
  height: 26px;
  background: #ea580c;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.toggle-switch input:checked + .toggle-slider {
  transform: translateX(28px);
  background: #0284c7;
}

.pricing-slider-wrapper {
  width: 100%;
  overflow: hidden;
  position: relative;
  padding: 1.5rem 0 2.5rem 0;
}

.pricing-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  will-change: transform;
}

.pricing-track.auto-scroll {
  animation: marquee 25s linear infinite;
}

.pricing-track.auto-scroll:hover {
  animation-play-state: paused;
}

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

.pricing-card {
  width: 240px;
  flex-shrink: 0;
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 22px;
  padding: 2rem 1.4rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
  box-shadow: 0 0 15px rgba(234, 88, 12, 0.2);
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 24px;
  background: linear-gradient(90deg, #ea580c, #0284c7, #f59e0b, #ea580c);
  background-size: 300% 300%;
  z-index: -1;
  opacity: 0.5;
  animation: neonGlow 4s ease infinite;
}

@keyframes neonGlow {
  0% { background-position: 0% 50%; opacity: 0.4; }
  50% { background-position: 100% 50%; opacity: 0.9; }
  100% { background-position: 0% 50%; opacity: 0.4; }
}

.pricing-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 0 25px rgba(234, 88, 12, 0.6);
}

.pricing-card .badge-popular {
  position: absolute;
  top: -12px;
  right: 20px;
  background: linear-gradient(135deg, #ea580c, #dc2626);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  box-shadow: 0 0 12px rgba(234, 88, 12, 0.8);
}

.pricing-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.pricing-price {
  margin: 1.2rem 0;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.pricing-price .currency {
  font-size: 1.2rem;
  color: #ea580c;
  font-weight: 600;
}

.pricing-price .amount {
  font-size: 2.4rem;
  font-weight: 800;
  color: #ffffff;
}

.pricing-price .period {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.pricing-features {
  list-style: none;
  margin: 1.5rem 0 2rem 0;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features li::before {
  content: '✓';
  color: #10b981;
  font-weight: bold;
}

.pricing-card .btn {
  width: 100%;
}

/* SECTION 5: ARTICLES / BLOG (2 Columns per row) */
.section-articles {
  padding: 100px 0;
  background: #f8fafc;
  position: relative;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.2rem;
}

.article-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.03);
}

.article-card:hover {
  transform: translateY(-6px);
  border-color: #ea580c;
  box-shadow: 0 15px 35px rgba(234, 88, 12, 0.12);
}

.article-thumb {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
  background: #f1f5f9;
}

.article-thumb svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.article-card:hover .article-thumb svg {
  transform: scale(1.05);
}

.article-body {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.article-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.8rem;
  color: var(--text-dark);
}

.article-card p {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.article-tag {
  font-size: 0.72rem;
  background: rgba(234, 88, 12, 0.1);
  color: #ea580c;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-weight: 600;
}

/* Article Modal Reader Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(16px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  padding: 2rem 1rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 24px;
  width: 100%;
  max-width: 900px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 3rem 2.5rem;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
  color: var(--text-body);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: #f1f5f9;
  border: none;
  color: var(--text-dark);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.modal-close:hover {
  background: #fee2e2;
  color: #dc2626;
}

.article-reader h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.article-reader-meta {
  color: #ea580c;
  font-size: 0.9rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e2e8f0;
}

.article-reader-body h3 {
  font-size: 1.35rem;
  color: #0284c7;
  margin: 1.8rem 0 0.8rem 0;
}

.article-reader-body p {
  margin-bottom: 1.2rem;
  line-height: 1.8;
  font-size: 1rem;
  color: var(--text-body);
}

.article-reader-body ul {
  margin: 1rem 0 1.5rem 1.5rem;
}

.article-reader-body li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

/* SECTION 6: USER REVIEWS */
.section-reviews {
  padding: 100px 0;
  background: #fff7ed;
  position: relative;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.review-card {
  background: #ffffff;
  border: 1px solid #fed7aa;
  border-radius: 20px;
  padding: 2rem;
  position: relative;
  box-shadow: 0 6px 20px rgba(234, 88, 12, 0.05);
}

.review-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

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

.review-author {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ea580c, #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
}

.author-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
}

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

/* SECTION 7: FAQ */
.section-faq {
  padding: 100px 0;
  background: #ffffff;
}

.faq-list {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.faq-item {
  background: #fffaf5;
  border: 1px solid #fed7aa;
  border-radius: 16px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: #ea580c;
  background: #ffffff;
}

.faq-question {
  width: 100%;
  padding: 1.4rem 1.8rem;
  background: none;
  border: none;
  color: var(--text-dark);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-question span.toggle-icon {
  font-size: 1.4rem;
  transition: transform var(--transition-fast);
  color: #ea580c;
}

.faq-item.active .toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  padding: 0 1.8rem;
  color: var(--text-body);
  font-size: 0.98rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  padding-bottom: 1.6rem;
}

/* SECTION 8: FOOTER */
.footer {
  background: #0f172a;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 60px 0 30px 0;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  list-style: none;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: #ea580c;
}

.pbn-links-area {
  padding: 1.2rem 2rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1rem;
}

.pbn-links-area span {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

.pbn-links-area a {
  color: #38bdf8;
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

.pbn-links-area a:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

.footer-copy {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* RESPONSIVE DESIGN */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content h1 {
    font-size: 2.5rem;
  }
  .hero-content p {
    margin: 0 auto 2rem auto;
  }
  .nav-links {
    display: none;
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  .stat-item h4 {
    font-size: 1.4rem;
  }
  .modal-content {
    padding: 1.8rem 1.2rem;
  }
  .pbn-links-area {
    flex-direction: column;
    gap: 0.5rem;
  }
}