/* ==========================================================================
   蓝海云 (LanHai Cloud) - 官方极速网络加速落地页样式
   Theme: Zinc Dark Bento Grid
   Background: #09090B | Card: #131316 | Border: #27272A | Radius: 22px
   Typography: Sora & Noto Sans SC
   ========================================================================== */

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

:root {
  --bg-color: #09090b;
  --card-bg: #131316;
  --card-bg-hover: #18181d;
  --border-color: #27272a;
  --border-highlight: rgba(79, 140, 255, 0.4);
  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  --primary: #3b82f6;
  --primary-glow: rgba(59, 130, 246, 0.25);
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-purple: #8b5cf6;
  --card-radius: 22px;
  --font-latin: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-cn);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-color: var(--bg-color);
  color: var(--text-main);
  overflow-x: hidden;
  position: relative;
}

/* Background subtle ambient glows */
body::before {
  content: '';
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.12), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

img, svg {
  display: block;
  max-width: 100%;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(9, 9, 11, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(39, 39, 42, 0.7);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-family: var(--font-latin);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.brand-name {
  font-family: var(--font-cn);
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 40%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-link {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
  padding: 6px 0;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link.highlight {
  color: #60a5fa;
  font-weight: 600;
}

.nav-link.highlight::after {
  content: 'HOT';
  font-size: 9px;
  padding: 2px 5px;
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: middle;
  font-family: var(--font-latin);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #ffffff;
  font-size: 0.92rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(39, 39, 42, 0.6);
  border: 1px solid var(--border-color);
  color: #93c5fd;
  font-size: 0.86rem;
  font-weight: 500;
  margin-bottom: 24px;
}

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

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.text-gradient {
  background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 740px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 14px;
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  min-height: 52px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(59, 130, 246, 0.55);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 14px;
  font-size: 1.02rem;
  font-weight: 600;
  color: #f4f4f5;
  background: #18181b;
  border: 1px solid #3f3f46;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
  min-height: 52px;
}

.btn-secondary:hover {
  transform: translateY(-2px);
  border-color: #60a5fa;
  background-color: #27272a;
}

.hero-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  color: var(--text-dim);
  font-size: 0.88rem;
  flex-wrap: wrap;
}

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

/* --------------------------------------------------------------------------
   Bento Grid Section
   -------------------------------------------------------------------------- */
.bento-section {
  padding: 60px 0 80px;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #60a5fa;
  margin-bottom: 12px;
  font-family: var(--font-latin);
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text-muted);
}

/* Bento 4-column Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 240px;
  gap: 20px;
  perspective: 800px;
}

/* Bento Card Base */
.bento-card {
  position: relative;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 30px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform-style: preserve-3d;
  will-change: transform;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.bento-card:hover {
  border-color: rgba(96, 165, 250, 0.45);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
}

/* Cursor-following radial highlight */
.bento-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: var(--card-radius);
  background: radial-gradient(
    400px circle at var(--mx, -500px) var(--my, -500px),
    rgba(96, 165, 250, 0.14),
    transparent 80%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

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

/* Spans */
.span-2x2 {
  grid-column: span 2;
  grid-row: span 2;
}

.span-2x1 {
  grid-column: span 2;
  grid-row: span 1;
}

.span-1x1 {
  grid-column: span 1;
  grid-row: span 1;
}

/* Card internal elements */
.card-top {
  position: relative;
  z-index: 2;
}

.card-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(39, 39, 42, 0.7);
  border: 1px solid rgba(63, 63, 70, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: #60a5fa;
}

.card-icon-wrap.green {
  color: #34d399;
  border-color: rgba(52, 211, 153, 0.3);
}

.card-icon-wrap.purple {
  color: #c084fc;
  border-color: rgba(192, 132, 252, 0.3);
}

.card-icon-wrap.cyan {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.span-2x2 .card-title {
  font-size: 1.6rem;
  line-height: 1.3;
}

.card-text {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.card-bottom {
  position: relative;
  z-index: 2;
  margin-top: auto;
}

/* Big Stat Number with Gradient */
.stat-number {
  font-family: var(--font-latin);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 60%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  margin-bottom: 6px;
}

.stat-unit {
  font-size: 1.4rem;
  font-weight: 600;
  color: #60a5fa;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Feature tags inside 2x2 hero card */
.hero-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.feature-tag {
  font-size: 0.82rem;
  padding: 6px 12px;
  border-radius: 8px;
  background: rgba(39, 39, 42, 0.6);
  border: 1px solid rgba(63, 63, 70, 0.5);
  color: #e4e4e7;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
}

/* Client logos bar in 2x1 cell */
.client-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.client-pill {
  font-family: var(--font-latin);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 8px;
  background: rgba(24, 24, 27, 0.8);
  border: 1px solid #27272a;
  color: #cbd5e1;
}

/* --------------------------------------------------------------------------
   Streaming & AI Support Section
   -------------------------------------------------------------------------- */
.streaming-ai-section {
  padding: 60px 0 80px;
  background: linear-gradient(180deg, transparent 0%, rgba(19, 19, 22, 0.5) 50%, transparent 100%);
}

.unlock-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.unlock-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease, transform 0.2s ease;
}

.unlock-card:hover {
  border-color: rgba(96, 165, 250, 0.5);
  transform: translateY(-2px);
}

.unlock-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.unlock-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(39, 39, 42, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #60a5fa;
  border: 1px solid #3f3f46;
}

.unlock-icon.ai-icon {
  color: #c084fc;
}

.unlock-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
}

.unlock-badge {
  font-size: 0.78rem;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.3);
  margin-left: 8px;
  vertical-align: middle;
}

.unlock-badge.ai-badge {
  background: rgba(168, 85, 247, 0.2);
  color: #d8b4fe;
  border-color: rgba(168, 85, 247, 0.3);
}

.unlock-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.service-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #18181c;
  border: 1px solid #27272a;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.88rem;
  color: #e4e4e7;
  font-weight: 600;
  font-family: var(--font-latin);
}

.service-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
}

/* --------------------------------------------------------------------------
   Pricing Section
   -------------------------------------------------------------------------- */
.pricing-section {
  padding: 70px 0 90px;
}

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

.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(96, 165, 250, 0.4);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}

.pricing-card.featured {
  border-color: #3b82f6;
  background: linear-gradient(180deg, #161824 0%, #131316 100%);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
  transform: scale(1.02);
}

.pricing-card.featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.pricing-badge-popular {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.pricing-header {
  margin-bottom: 20px;
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.86rem;
  color: var(--text-dim);
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.currency-symbol {
  font-size: 1.5rem;
  font-weight: 700;
  color: #60a5fa;
  margin-right: 2px;
}

.price-val {
  font-family: var(--font-latin);
  font-size: 3rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}

.price-cycle {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-left: 6px;
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.plan-feature-item {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.check-icon {
  width: 16px;
  height: 16px;
  color: #34d399;
  flex-shrink: 0;
}

.pricing-cta {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
  display: inline-block;
  background: #27272a;
  color: #ffffff;
  border: 1px solid #3f3f46;
  transition: all 0.2s ease;
}

.pricing-card:hover .pricing-cta {
  background: #3f3f46;
  color: #ffffff;
}

.pricing-card.featured .pricing-cta {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 18px rgba(59, 130, 246, 0.4);
}

.pricing-card.featured .pricing-cta:hover {
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.6);
}

/* --------------------------------------------------------------------------
   FAQ Section
   -------------------------------------------------------------------------- */
.faq-section {
  padding: 60px 0 80px;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: #3f3f46;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 22px 26px;
  color: #f4f4f5;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: inherit;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--text-dim);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: #60a5fa;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 26px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 22px;
}

/* --------------------------------------------------------------------------
   Reviews Section
   -------------------------------------------------------------------------- */
.reviews-section {
  padding: 60px 0 90px;
}

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

.review-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.review-card:hover {
  transform: translateY(-3px);
  border-color: #3f3f46;
}

.review-stars {
  display: flex;
  gap: 4px;
  color: #fbbf24;
  margin-bottom: 16px;
}

.review-content {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
  font-size: 0.95rem;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 0.92rem;
  font-weight: 600;
  color: #ffffff;
}

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

/* --------------------------------------------------------------------------
   Footer Section
   Constraint: 页脚只保留这四个标题，内容打开新的页面展示
   1. 网站地图 (sitemap.html)
   2. 关于我们 (about.html)
   3. 服务条款 (terms.html)
   4. 隐私政策 (privacy.html)
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border-color);
  background: #0d0d10;
  padding: 40px 0;
  text-align: center;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.footer-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #60a5fa;
}

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

/* --------------------------------------------------------------------------
   Sub-pages / Article Layout Styles
   -------------------------------------------------------------------------- */
.subpage-hero {
  padding: 60px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 50px;
}

.subpage-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.subpage-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.article-body {
  max-width: 820px;
  margin: 0 auto 80px;
  font-size: 1.05rem;
  line-height: 1.85;
  color: #d4d4d8;
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  margin: 40px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #f4f4f5;
  margin: 28px 0 14px;
}

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

.article-body ul, .article-body ol {
  margin-bottom: 24px;
  padding-left: 28px;
}

.article-body li {
  margin-bottom: 10px;
}

.article-body blockquote {
  background: #18181b;
  border-left: 4px solid #3b82f6;
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  color: #a1a1aa;
}

.article-body a {
  color: #60a5fa;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-body a:hover {
  color: #93c5fd;
}

.article-cta-box {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 18px;
  padding: 30px;
  text-align: center;
  margin: 40px 0;
}

.news-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.news-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: #3b82f6;
}

.news-card-date {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.news-card-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  line-height: 1.45;
}

.news-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.news-card-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: #60a5fa;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Breadcrumb Navigation */
.breadcrumb-wrap {
  margin-bottom: 24px;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-size: 0.88rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.breadcrumb-item a {
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
  color: #60a5fa;
}

.breadcrumb-separator {
  color: #52525b;
}

.breadcrumb-item.active {
  color: #e4e4e7;
  font-weight: 500;
}

/* Article Navigation / Pagination */
.article-pagination {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 36px 0;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.pagination-item {
  display: flex;
  flex-direction: column;
  padding: 16px 20px;
  background: #131316;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.pagination-item:hover {
  border-color: #3b82f6;
  transform: translateY(-2px);
}

.pagination-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 6px;
  font-weight: 600;
}

.pagination-title {
  font-size: 0.95rem;
  color: #f4f4f5;
  font-weight: 600;
  line-height: 1.4;
}

/* Related Articles Box */
.related-articles-box {
  background: #131316;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px 28px;
  margin: 36px 0;
}

.related-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.related-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.related-link {
  font-size: 0.94rem;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s ease;
}

.related-link:hover {
  color: #60a5fa;
}

.related-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3b82f6;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Responsive Media Queries (@media)
   Strictly mobile single-column adapt & touch friendly
   4 columns -> 2 columns on mobile (tablet/mobile spec)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: auto;
  }
  
  .span-2x2 {
    grid-column: span 2;
    grid-row: auto;
  }
  
  .span-2x1 {
    grid-column: span 2;
    grid-row: auto;
  }
  
  .span-1x1 {
    grid-column: span 1;
    grid-row: auto;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #09090b;
    border-bottom: 1px solid var(--border-color);
    padding: 20px 24px;
    gap: 16px;
    z-index: 99;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-section {
    padding: 50px 0 40px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .bento-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
    gap: 16px;
  }

  .span-2x2, .span-2x1, .span-1x1 {
    grid-column: span 1;
    grid-row: auto;
  }

  .bento-card {
    min-height: auto;
    padding: 24px;
  }

  .unlock-grid {
    grid-template-columns: 1fr;
  }

  .service-logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    transform: none;
  }

  .pricing-card.featured:hover {
    transform: none;
  }

  .reviews-grid {
    grid-template-columns: 1fr;
  }

  .news-card-grid {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    flex-direction: column;
    gap: 18px;
  }
}
