/* ==========================================================================
   FatCatCloud 肥猫云 (fatcatcloud1.xyz) - 2026 全新差异化主样式表
   主题风格：极客黑曜石 & 赛博翡翠金 (Obsidian & Emerald Aurora)
   非对称双栏首屏 / 赛博终端监控 / 全响应式设计
   ========================================================================== */

:root {
  --bg-dark: #040806; /* 墨竹曜黑底色 - 极高对比度 */
  --bg-surface: #080f0c; /* 深曜竹色 */
  --bg-card: #0d1612; /* 沉稳黑竹卡片底 */
  --bg-card-hover: #121f19; /* 悬浮深竹高亮 */
  --bg-glass: rgba(13, 22, 18, 0.88);

  --border-color: rgba(74, 222, 128, 0.15); /* 精致竹青细边框 */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(74, 222, 128, 0.65);

  --emerald: #22c55e; /* 经典竹绿色 */
  --emerald-glow: #4ade80; /* 嫩竹翠绿色 */
  --amber: #f59e0b;
  --amber-light: #fbbf24;
  --cyan: #06b6d4;
  --cyan-glow: #22d3ee;
  --violet: #8b5cf6;

  --text-main: #f9fafb;
  --text-sub: #9ca3af;
  --text-muted: #64748b;

  --gradient-aurora: linear-gradient(135deg, #4ade80 0%, #10b981 50%, #a3e635 100%);
  --gradient-emerald: linear-gradient(135deg, #22c55e 0%, #15803d 100%);
  --gradient-amber: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 12px 36px -8px rgba(0, 0, 0, 0.65);
  --shadow-emerald: 0 0 25px rgba(16, 185, 129, 0.25);
  --shadow-amber: 0 0 25px rgba(245, 158, 11, 0.25);
}

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

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  background: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(74, 222, 128, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 35%, rgba(34, 197, 94, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 50% 85%, rgba(163, 230, 53, 0.04) 0%, transparent 45%);
  background-attachment: fixed;
}

a {
  color: var(--emerald-glow);
  text-decoration: none;
  transition: all 0.25s ease;
}

a:hover {
  color: var(--emerald);
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Header & Floating Capsule Navigation
   ========================================================================== */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(4, 8, 6, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 42px;
  height: 42px;
  filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.5));
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--emerald-glow);
  border: 1px solid rgba(16, 185, 129, 0.28);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.25); opacity: 1; box-shadow: 0 0 12px #34d399; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-sub);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--text-main);
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  background: var(--gradient-emerald);
  color: #fff;
  border: none;
  box-shadow: 0 0 18px rgba(16, 185, 129, 0.35);
  cursor: pointer;
  transition: all 0.25s ease;
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.55);
  color: #fff;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 1.5rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.mobile-nav-drawer {
  position: fixed;
  top: 78px;
  left: 0;
  width: 100%;
  background: rgba(5, 10, 8, 0.98);
  border-bottom: 1px solid var(--border-color);
  padding: 24px;
  display: none;
  flex-direction: column;
  gap: 16px;
  z-index: 999;
}

.mobile-nav-drawer.active {
  display: flex;
}

.mobile-nav-drawer a {
  color: var(--text-main);
  font-size: 1.1rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  padding: 14px 34px;
  border-radius: var(--radius-md);
  background: var(--gradient-emerald);
  color: #fff !important;
  border: none;
  box-shadow: 0 0 22px rgba(16, 185, 129, 0.38);
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(16, 185, 129, 0.6);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: var(--radius-md);
  background: rgba(19, 29, 49, 0.7);
  color: var(--text-main) !important;
  border: 1px solid var(--border-color);
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(25, 38, 64, 0.9);
  border-color: var(--emerald-glow);
  color: var(--emerald-glow) !important;
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--gradient-amber);
  color: #000 !important;
  font-weight: 800;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

.btn-gold:hover {
  box-shadow: 0 0 30px rgba(245, 158, 11, 0.65);
}

/* ==========================================================================
   Hero Section - Asymmetric Split Hero (2 Columns)
   ========================================================================== */
.hero-section {
  padding-top: 140px;
  padding-bottom: 70px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 30px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--emerald-glow);
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 3.3rem;
  font-weight: 900;
  line-height: 1.18;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.text-gradient {
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.12rem;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 32px;
}

.hero-subtitle strong {
  color: #fff;
  font-weight: 600;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-trust-bar {
  display: flex;
  gap: 32px;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
}

.trust-num span {
  color: var(--emerald-glow);
}

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

/* ==========================================================================
   Cyber Terminal Widget (Right Column in Hero)
   ========================================================================== */
.cyber-terminal {
  background: #080f0c; /* 赛博终端沉稳曜黑 */
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), 0 0 35px rgba(16, 185, 129, 0.15);
  overflow: hidden;
  position: relative;
}

.terminal-header {
  background: #0c1712;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.terminal-dots {
  display: flex;
  gap: 7px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  font-size: 0.78rem;
  font-family: monospace;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.terminal-body {
  padding: 24px;
  font-family: "JetBrains Mono", Consolas, Menlo, monospace;
}

.terminal-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
  font-size: 0.88rem;
}

.term-tag {
  color: var(--text-muted);
}

.term-val {
  font-weight: 700;
  color: var(--text-main);
}

.val-green {
  color: var(--emerald-glow);
}

.val-amber {
  color: var(--amber-light);
}

.val-cyan {
  color: var(--cyan-glow);
}

.term-graph-box {
  margin-top: 18px;
  background: rgba(6, 10, 18, 0.75);
  border-radius: var(--radius-sm);
  padding: 16px;
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.term-graph-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-sub);
  margin-bottom: 10px;
}

.term-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 52px;
}

.term-bar {
  flex: 1;
  background: linear-gradient(to top, rgba(16, 185, 129, 0.3), #10b981);
  border-radius: 2px 2px 0 0;
  transition: height 0.4s ease;
}

.terminal-footer-btn {
  margin-top: 18px;
  width: 100%;
  padding: 12px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--emerald);
  color: var(--emerald-glow);
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.25s ease;
}

.terminal-footer-btn:hover {
  background: var(--emerald);
  color: #fff;
}

/* ==========================================================================
   Protocol / Ecosystem Strip
   ========================================================================== */
.protocol-strip {
  background: rgba(6, 12, 9, 0.7);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 24px 0;
}

.protocol-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.protocol-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--text-sub);
  font-weight: 600;
}

.protocol-badge {
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-glow);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.72rem;
}

/* ==========================================================================
   Section Global Components
   ========================================================================== */
.section-padding {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 55px auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--emerald-glow);
  background: rgba(16, 185, 129, 0.12);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ==========================================================================
   Enterprise Features - 3 Columns with Edge Glow
   ========================================================================== */
.features-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-col-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}

.feature-col-card:hover {
  transform: translateY(-6px);
  border-color: var(--emerald);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(16, 185, 129, 0.2);
}

.feature-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 22px;
}

.feature-col-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: #fff;
}

.feature-col-card p {
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ==========================================================================
   Live Server Nodes Matrix
   ========================================================================== */
.nodes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.node-card:hover {
  border-color: var(--emerald-glow);
  background: var(--bg-card-hover);
}

.node-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.node-flag {
  font-size: 1.8rem;
}

.node-name {
  font-weight: 700;
  font-size: 0.96rem;
  color: #fff;
}

.node-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.node-ping-val {
  font-family: monospace;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--emerald-glow);
  text-align: right;
}

.node-ping-indicator {
  width: 60px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-top: 4px;
  overflow: hidden;
}

.node-ping-fill {
  height: 100%;
  background: var(--emerald);
  border-radius: 2px;
}

/* ==========================================================================
   Pricing Matrix (4 Plans)
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.3s ease;
}

.price-card:hover {
  transform: translateY(-6px);
  border-color: var(--emerald-glow);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}

.price-card.featured {
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.12) 0%, rgba(19, 29, 49, 0.9) 100%);
  border: 2px solid var(--emerald);
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.25);
  transform: scale(1.02);
}

.price-card.featured:hover {
  transform: scale(1.02) translateY(-6px);
}

.badge-featured {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-emerald);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  min-height: 40px;
  margin-bottom: 20px;
}

.plan-price-wrap {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.plan-price-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: #fff;
}

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

.plan-features-list {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-features-list li {
  font-size: 0.88rem;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  gap: 8px;
}

.plan-features-list li svg {
  width: 16px;
  height: 16px;
  color: var(--emerald-glow);
  flex-shrink: 0;
}

/* ==========================================================================
   User Testimonials (3 Authentic Profiles)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--emerald);
}

.test-stars {
  color: var(--amber-light);
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.test-content {
  color: var(--text-sub);
  font-size: 0.94rem;
  line-height: 1.75;
  margin-bottom: 24px;
}

.test-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.test-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  font-size: 1.1rem;
}

.test-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

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

/* ==========================================================================
   FAQ Section (Accordion)
   ========================================================================== */
.faq-box {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.25s ease;
}

.faq-item.active {
  border-color: var(--emerald);
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.15);
}

.faq-header {
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  user-select: none;
}

.faq-header:hover {
  color: var(--emerald-glow);
}

.faq-toggle-icon {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  color: var(--emerald);
}

.faq-body {
  padding: 0 26px 22px 26px;
  display: none;
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.8;
  border-top: 1px dashed rgba(255, 255, 255, 0.06);
  padding-top: 16px;
}

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

/* ==========================================================================
   Articles Knowledge Hub Grid
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--emerald);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.article-tag {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--emerald-glow);
  margin-bottom: 14px;
}

.article-card h3 {
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 12px;
}

.article-card h3 a {
  color: #fff;
}

.article-card h3 a:hover {
  color: var(--emerald-glow);
}

.article-snippet {
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.65;
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

/* ==========================================================================
   Article Detail Page Style
   ========================================================================== */
.article-page-header {
  padding-top: 140px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(6, 12, 9, 0.5);
}

.article-body-content {
  max-width: 880px;
  margin: 50px auto;
  font-size: 1.08rem;
  line-height: 1.95;
  color: #d1d5db;
}

.article-body-content h2 {
  font-size: 1.8rem;
  color: #ffffff;
  margin: 42px 0 20px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.article-body-content h3 {
  font-size: 1.35rem;
  color: var(--emerald-glow);
  margin: 28px 0 14px 0;
}

.article-body-content p {
  margin-bottom: 22px;
}

.article-body-content ul,
.article-body-content ol {
  margin: 20px 0 28px 24px;
}

.article-body-content li {
  margin-bottom: 12px;
}

.article-cta-box {
  margin: 45px 0;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 1px solid var(--emerald);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.2);
}

.article-cta-box h3 {
  color: #ffffff !important;
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.article-nav-links {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
}

.article-nav-links a {
  padding: 12px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
}

.article-nav-links a:hover {
  border-color: var(--emerald);
  color: var(--emerald-glow);
}

/* ==========================================================================
   Footer & PBN Precise Weight Transfer Pipeline (核心任务 2)
   ========================================================================== */
.site-footer {
  background: #020503; /* 极致纯净曜黑页脚 */
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-desc {
  max-width: 620px;
  margin: 0 auto 24px auto;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer-copyright {
  margin-bottom: 20px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* PBN Friendly Links Area (友情链接区) - 低调、美观、小字号、居中排版、纯 dofollow */
.pbn-links-area {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  color: #64748b;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.pbn-links-title {
  color: #475569;
  font-weight: 500;
}

.pbn-link-item {
  color: #94a3b8 !important;
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.2s ease;
}

.pbn-link-item:hover {
  color: var(--emerald-glow) !important;
  text-decoration: underline;
}

/* ==========================================================================
   Mobile Responsive Rules
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .features-3col {
    grid-template-columns: 1fr;
  }
  .nodes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta-btn, .status-pill {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .hero-trust-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .nodes-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .article-nav-links {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .logo-text {
    font-size: 1.15rem;
  }
}