/* ==========================================================================
   宝妈云 - Premium Technology SaaS + Minimal Business + Bento Grid + Light Blue & Light Purple
   Clean, Lightweight, High Performance, Mobile First CSS with Light Blue & Light Purple Theme
   ========================================================================== */

/* 1. CSS Custom Properties / Design Tokens (Light Blue & Light Purple Theme) */
:root {
  --bg-dark: #f0f4ff;           /* Light Blue & Light Purple Wallpaper Background */
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-card-solid: #ffffff;
  --border-color: rgba(165, 180, 252, 0.25);
  --border-color-hover: rgba(129, 140, 248, 0.5);
  --primary-cyan: #2563eb;      /* Light Royal Blue Primary */
  --primary-blue: #93c5fd;      /* Soft Light Blue Accent */
  --accent-purple: #c4b5fd;     /* Soft Light Purple Accent */
  --gradient-primary: linear-gradient(135deg, #93c5fd 0%, #c4b5fd 100%);
  --gradient-accent: linear-gradient(135deg, #c4b5fd 0%, #818cf8 100%);
  --gradient-glow: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(147, 197, 253, 0.2), transparent 40%);
  --text-main: #1e1b4b;         /* Deep Slate Indigo Text */
  --text-muted: #475569;       /* Medium Slate Text */
  --text-dim: #64748b;         /* Dim Subtitle Text */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --shadow-glow: 0 10px 30px rgba(147, 197, 253, 0.2);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container-width: 1200px;
  --header-height: 72px;
}

/* 2. CSS Reset & Core Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100%;
  word-wrap: break-word;
  overflow-wrap: anywhere;
  position: relative;
}

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

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

button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

/* Ribbon Background Component */
.ribbon-bg-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 980px;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.ribbon-svg {
  width: 100%;
  height: 100%;
  transform-origin: center top;
}

.ribbon-path-1 {
  animation: floatRibbon1 12s ease-in-out infinite alternate;
}

.ribbon-path-2 {
  animation: floatRibbon2 16s ease-in-out infinite alternate;
}

.ribbon-stroke-1 {
  animation: floatRibbon1 10s ease-in-out infinite alternate;
}

.ribbon-stroke-2 {
  animation: floatRibbon2 14s ease-in-out infinite alternate;
}

@keyframes floatRibbon1 {
  0% { transform: translateY(0px) skewY(0deg) scaleY(1); }
  50% { transform: translateY(18px) skewY(-1.5deg) scaleY(1.04); }
  100% { transform: translateY(-12px) skewY(1deg) scaleY(0.97); }
}

@keyframes floatRibbon2 {
  0% { transform: translateY(0px) skewY(0deg) scaleY(1); }
  50% { transform: translateY(-22px) skewY(1.8deg) scaleY(0.96); }
  100% { transform: translateY(14px) skewY(-1deg) scaleY(1.03); }
}

/* 3. Utility Classes & Layout Container */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-purple {
  background: linear-gradient(135deg, #7c3aed 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(147, 197, 253, 0.18);
  border: 1px solid rgba(129, 140, 248, 0.35);
  color: #2563eb;
  font-size: 0.85rem;
  font-weight: 600;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #2563eb;
  box-shadow: 0 0 8px #2563eb;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #7c3aed 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.45);
  filter: brightness(1.05);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.75);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.98);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 0.75rem;
  margin-bottom: 1rem;
  line-height: 1.25;
  color: var(--text-main);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Ambient Glow Effects */
.glow-bg {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

/* 4. Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(240, 244, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #3b82f6 0%, #7c3aed 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-link:hover {
  color: var(--primary-cyan);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Hamburger Toggle Button */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* 5. Hero Section */
.hero {
  position: relative;
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 5rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 1.25rem 0;
  color: var(--text-main);
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-features {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-feature-item svg {
  color: var(--primary-cyan);
}

/* Right Dashboard Card */
.dashboard-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 15px 35px rgba(147, 197, 253, 0.2);
  overflow: hidden;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.dashboard-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-main);
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #059669;
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.6); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(5, 150, 105, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0); }
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.node-item {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: all 0.3s ease;
}

.node-item:hover {
  background: #ffffff;
  border-color: rgba(129, 140, 248, 0.45);
}

.node-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.node-flag-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
}

.node-ping {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-cyan);
}

.node-bar-bg {
  width: 100%;
  height: 4px;
  background: rgba(165, 180, 252, 0.2);
  border-radius: 2px;
  overflow: hidden;
}

.node-bar-fill {
  height: 100%;
  background: linear-gradient(135deg, #3b82f6 0%, #7c3aed 100%);
  border-radius: 2px;
  animation: shimmer 3s infinite linear;
}

.dashboard-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(240, 244, 255, 0.7);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.metric-box {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.metric-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

/* 6. Bento Grid Sections */
.bento-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.bento-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.3s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 25px rgba(147, 197, 253, 0.08);
}

.bento-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow);
}

.bento-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(147, 197, 253, 0.2);
  border: 1px solid rgba(129, 140, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-cyan);
  margin-bottom: 1.5rem;
}

.bento-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

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

/* 7. AI & Streaming Section */
.scene-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.scene-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: 0 10px 25px rgba(147, 197, 253, 0.08);
}

.scene-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.scene-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  transition: all 0.2s ease;
}

.scene-tag:hover {
  background: #ffffff;
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--primary-cyan);
}

/* 8. Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
  box-shadow: 0 10px 25px rgba(147, 197, 253, 0.08);
}

.pricing-card.recommended {
  background: linear-gradient(180deg, rgba(238, 242, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
  border: 2px solid #6366f1;
  box-shadow: 0 10px 40px rgba(99, 102, 241, 0.25);
  transform: scale(1.03);
}

.recommended-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #3b82f6 0%, #7c3aed 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 1rem 0;
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  color: var(--text-main);
}

.plan-price span {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 400;
}

.plan-features {
  list-style: none;
  margin: 1.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.plan-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.plan-feature-item svg {
  color: var(--primary-cyan);
  flex-shrink: 0;
}

/* 9. SEO Article Cards (3x3 Grid) */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
  box-shadow: 0 8px 20px rgba(147, 197, 253, 0.06);
}

.article-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-3px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}

.article-category {
  color: var(--primary-cyan);
  font-weight: 600;
}

.article-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.article-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.article-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary-cyan);
}

/* 10. Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: 0 8px 20px rgba(147, 197, 253, 0.06);
}

.testimonial-quote {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6 0%, #7c3aed 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
}

.user-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
}

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

/* 11. FAQ Accordion */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s ease;
  box-shadow: 0 6px 16px rgba(147, 197, 253, 0.05);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  padding: 0 1.5rem;
}

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

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

/* 12. Footer */
.footer {
  background: #eef2ff;
  border-top: 1px solid rgba(165, 180, 252, 0.25);
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--primary-cyan);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(165, 180, 252, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-rec-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-rec-links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-rec-links a:hover {
  color: var(--primary-cyan);
}

/* 13. Article Detail Layout (Standalone Page) */
.article-page {
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: 5rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--primary-cyan);
}

.article-header {
  max-width: 840px;
  margin: 0 auto 3rem;
}

.article-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 1rem 0;
  color: var(--text-main);
}

.article-body {
  max-width: 840px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-main);
}

.article-body h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.article-body h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 1.75rem 0 0.75rem;
  color: var(--primary-cyan);
}

.article-body p {
  margin-bottom: 1.5rem;
  color: #334155;
}

.article-body ul, .article-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  color: #334155;
}

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

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.article-body th, .article-body td {
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--border-color);
  text-align: left;
  font-size: 0.95rem;
}

.article-body th {
  background: rgba(147, 197, 253, 0.18);
  color: var(--primary-cyan);
  font-weight: 700;
}

.article-cta-box {
  background: linear-gradient(135deg, rgba(147, 197, 253, 0.18) 0%, rgba(196, 181, 253, 0.18) 100%);
  border: 1px solid rgba(129, 140, 248, 0.35);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  margin: 3rem 0;
}

.article-cta-box h3 {
  color: var(--text-main);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.article-cta-box p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 1.5rem;
}

/* 14. Responsive Rules */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .bento-grid-3, .pricing-grid, .article-grid, .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.recommended {
    transform: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(240, 244, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
  }
  .nav-menu.active {
    transform: translateY(0);
  }
  .hamburger {
    display: flex;
  }
  .bento-grid-3, .scene-grid, .pricing-grid, .article-grid, .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .nodes-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .article-header h1 {
    font-size: 1.85rem;
  }
  .ribbon-bg-wrapper {
    height: 600px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .ribbon-path-1, .ribbon-path-2, .ribbon-stroke-1, .ribbon-stroke-2 {
    animation: none !important;
  }
}