@charset "UTF-8";

/* ==========================================================================
   VMSSR-全球加速 终端极客风格核心样式表 (style.css)
   Aesthetic: Terminal / Cyberpunk Minimalist / Developer Dashboard
   Colors: BG #0A0E0C | Accent #00FF9C | Secondary #55655C | Text #C9D6CE
   Typography: Space Grotesk (Headings) | JetBrains Mono (Body/Data/Labels)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --bg-main: #0A0E0C;
  --bg-card: #0F1613;
  --bg-card-hover: #141F1A;
  --bg-elevated: #16241F;
  --accent-green: #00FF9C;
  --accent-green-glow: rgba(0, 255, 156, 0.35);
  --accent-green-dim: rgba(0, 255, 156, 0.12);
  --border-green: rgba(0, 255, 156, 0.20);
  --border-green-hover: rgba(0, 255, 156, 0.55);
  --text-primary: #C9D6CE;
  --text-muted: #55655C;
  --text-bright: #FFFFFF;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius: 4px;
  --transition: all 150ms ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-main);
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.65;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* 扫描线纹理背景 (Subtle CRT Scanlines) */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 9999;
  opacity: 0.65;
}

/* 顶部网格装饰线 */
.ambient-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(0, 255, 156, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 255, 156, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
  z-index: 1;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--text-bright);
  font-weight: 700;
  line-height: 1.25;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

p {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

a {
  color: var(--accent-green);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  text-shadow: 0 0 8px var(--accent-green-glow);
}

/* 键帽式标签 (KBD / Pill style) */
.keycap, kbd {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-green);
  background-color: #0d1a14;
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.6);
  vertical-align: baseline;
  white-space: nowrap;
}

/* 终端状态元数据行 */
.meta-status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 1rem;
}

.meta-status-row .status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse-dot 2s infinite ease-in-out;
}

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

/* 光标闪烁动效 */
.cursor-blink {
  display: inline-block;
  width: 0.55em;
  height: 1.1em;
  background-color: var(--accent-green);
  vertical-align: -0.15em;
  margin-left: 2px;
  animation: cursor-blink-anim 1s step-end infinite;
}

@keyframes cursor-blink-anim {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(10, 14, 12, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-green);
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

/* Logo: [ V ]_ VMSSR */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-bright);
  text-decoration: none;
}

.brand-logo .logo-bracket {
  color: var(--text-muted);
}

.brand-logo .logo-v {
  color: var(--accent-green);
  font-weight: 800;
  text-shadow: 0 0 8px var(--accent-green-glow);
}

.brand-logo .logo-name {
  color: var(--text-bright);
  letter-spacing: -0.02em;
}

.brand-logo:hover {
  text-shadow: none;
}

.brand-logo:hover .logo-v {
  filter: brightness(1.2);
}

/* Navigation Links */
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-link {
  font-size: 0.875rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-green);
  background-color: var(--accent-green-dim);
}

.nav-badge-new {
  font-size: 0.65rem;
  background-color: var(--accent-green);
  color: #000;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 2px;
  margin-left: 4px;
  vertical-align: 1px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-green);
  color: #041009;
  border-color: var(--accent-green);
  box-shadow: 0 0 12px rgba(0, 255, 156, 0.25);
}

.btn-primary:hover {
  background-color: #33ffb0;
  color: #000;
  box-shadow: 0 0 20px rgba(0, 255, 156, 0.45);
  transform: translateY(-1px);
  text-shadow: none;
}

.btn-secondary {
  background-color: #0e1713;
  color: var(--text-bright);
  border-color: var(--border-green);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-green-hover);
  color: var(--accent-green);
  transform: translateY(-1px);
}

.btn-outline-blog {
  background: rgba(85, 101, 92, 0.15);
  color: #9ee6c2;
  border: 1px solid rgba(0, 255, 156, 0.35);
}

.btn-outline-blog:hover {
  background: rgba(0, 255, 156, 0.15);
  border-color: var(--accent-green);
  color: var(--accent-green);
  box-shadow: 0 0 15px rgba(0, 255, 156, 0.25);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 1rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border-green);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.75rem;
  background-color: var(--accent-green-dim);
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  color: var(--accent-green);
  font-size: 0.8125rem;
  margin-bottom: 1.25rem;
  width: fit-content;
}

.hero-title {
  margin-bottom: 1.25rem;
  color: var(--text-bright);
}

.hero-title .highlight {
  color: var(--accent-green);
  display: inline-block;
  text-shadow: 0 0 16px rgba(0, 255, 156, 0.35);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: #e0ece4;
  margin-bottom: 0.75rem;
  font-weight: 500;
  line-height: 1.5;
}

.hero-description {
  color: var(--text-primary);
  font-size: 0.9375rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--border-green);
}

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

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-green);
}

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

/* Hero Terminal Card */
.terminal-card {
  background: #080C0A;
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7), 0 0 25px rgba(0, 255, 156, 0.08);
  overflow: hidden;
}

.terminal-header {
  background: #0E1612;
  border-bottom: 1px solid var(--border-green);
  padding: 0.6rem 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.terminal-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
}

.terminal-dot.close { background: #ff5f56; }
.terminal-dot.min { background: #ffbd2e; }
.terminal-dot.max { background: #27c93f; }

.terminal-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.terminal-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
}

.terminal-line {
  margin-bottom: 0.5rem;
  word-break: break-all;
}

.terminal-prompt {
  color: var(--accent-green);
  user-select: none;
}

.terminal-cmd {
  color: var(--text-bright);
}

.terminal-output {
  color: var(--text-primary);
  padding-left: 1rem;
}

.terminal-success {
  color: var(--accent-green);
}

.terminal-info {
  color: #7bc5f3;
}

.terminal-warning {
  color: #ffb800;
}

/* ==========================================================================
   Section Common Styles
   ========================================================================== */
.section {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-green);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-green);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
}

/* ==========================================================================
   Section: Core Advantages (3 Cards)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-green-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 15px rgba(0, 255, 156, 0.1);
}

.feature-index {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  background: var(--accent-green-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  margin-bottom: 1.25rem;
}

.feature-title {
  font-size: 1.2rem;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-primary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.feature-specs {
  list-style: none;
  font-size: 0.8125rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(0, 255, 156, 0.1);
  padding-top: 0.85rem;
}

.feature-specs li {
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-specs li::before {
  content: "→";
  color: var(--accent-green);
}

/* ==========================================================================
   Section: Streaming & AI Support
   ========================================================================== */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.ecosystem-card {
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  padding: 2rem;
}

.ecosystem-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid rgba(0, 255, 156, 0.15);
  padding-bottom: 1rem;
}

.ecosystem-badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  background: var(--accent-green-dim);
  border: 1px solid var(--border-green);
  color: var(--accent-green);
  border-radius: var(--radius);
}

.ecosystem-desc {
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.app-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.app-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  background: #111A15;
  border: 1px solid rgba(0, 255, 156, 0.2);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--text-bright);
}

.app-pill.active {
  border-color: var(--accent-green);
  box-shadow: 0 0 10px rgba(0, 255, 156, 0.15);
}

.protocol-matrix {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  background: #090E0C;
  border: 1px solid rgba(0, 255, 156, 0.15);
  padding: 1rem;
  border-radius: var(--radius);
}

.matrix-item {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.matrix-item strong {
  display: block;
  color: var(--accent-green);
  font-size: 0.8125rem;
  margin-bottom: 2px;
}

/* ==========================================================================
   Section: High Density Pricing Table
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-green-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.5);
}

.pricing-card.featured {
  border: 1px solid var(--accent-green);
  box-shadow: 0 0 25px rgba(0, 255, 156, 0.18);
  background: #111B16;
}

.featured-flag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-green);
  color: #000;
  font-weight: 700;
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: var(--radius);
  text-transform: uppercase;
}

.pricing-header {
  text-align: center;
  border-bottom: 1px solid rgba(0, 255, 156, 0.15);
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
}

.plan-name {
  font-size: 1.15rem;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
}

.plan-price {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent-green);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.plan-currency {
  font-size: 1.15rem;
  font-weight: 400;
}

.plan-period {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 400;
}

.plan-intro {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.plan-specs {
  list-style: none;
  font-size: 0.8125rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.plan-specs li {
  padding: 0.45rem 0;
  border-bottom: 1px dashed rgba(0, 255, 156, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.plan-specs li span.label {
  color: var(--text-muted);
}

.plan-specs li span.val {
  color: var(--text-primary);
  font-weight: 500;
}

/* Comparison Table (Dense Developer Table) */
.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  overflow-x: auto;
  margin-top: 2rem;
}

.dense-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-align: left;
}

.dense-table th, .dense-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(0, 255, 156, 0.12);
}

.dense-table th {
  background: #0d1511;
  color: var(--accent-green);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.dense-table tr:hover td {
  background: rgba(0, 255, 156, 0.03);
}

.dense-table td.feature-name {
  color: var(--text-bright);
}

.dense-table .check {
  color: var(--accent-green);
}

/* ==========================================================================
   Section: Testimonials / User Reviews
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.review-card:hover {
  border-color: var(--border-green-hover);
  background: var(--bg-card-hover);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border-green);
  background: #09120e;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-green);
}

.review-user-info {
  display: flex;
  flex-direction: column;
}

.review-name {
  color: var(--text-bright);
  font-weight: 600;
  font-size: 0.875rem;
}

.review-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.review-rating {
  color: #ffb800;
  font-size: 0.8125rem;
  margin-bottom: 0.75rem;
}

.review-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-primary);
  flex-grow: 1;
}

.review-date {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Section: FAQ
   ========================================================================== */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--border-green-hover);
  background: var(--bg-card-hover);
}

.faq-question {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 1rem;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
  font-family: var(--font-sans);
  font-weight: 600;
}

.faq-question .faq-prefix {
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.faq-answer {
  font-size: 0.875rem;
  color: var(--text-primary);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ==========================================================================
   Site Footer (Strictly Only 4 Titles / Links)
   ========================================================================== */
.site-footer {
  background: #060907;
  border-top: 1px solid var(--border-green);
  padding: 3rem 0 2rem;
  position: relative;
  z-index: 2;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-bottom: 2rem;
  list-style: none;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--accent-green);
  border-color: var(--border-green);
  background: var(--accent-green-dim);
}

.footer-status {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px dashed rgba(0, 255, 156, 0.1);
  padding-top: 1.5rem;
}

/* ==========================================================================
   Subpages Common (Articles, About, Terms, Privacy, Sitemap)
   ========================================================================== */
.page-hero {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--border-green);
  background: #0a110d;
}

.page-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 0.75rem;
}

.page-lead {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 800px;
}

.article-body, .doc-body {
  padding: 3rem 0;
  max-width: 860px;
  margin: 0 auto;
}

.doc-section {
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 2rem;
}

.doc-section h2 {
  font-size: 1.35rem;
  color: var(--accent-green);
  border-bottom: 1px dashed var(--border-green);
  padding-bottom: 0.6rem;
  margin-bottom: 1rem;
}

.doc-section h3 {
  font-size: 1.1rem;
  color: var(--text-bright);
  margin-top: 1.25rem;
}

.doc-section ul, .doc-section ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.doc-section li {
  margin-bottom: 0.5rem;
}

/* Article Cards on Articles Hub */
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin-top: 2rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.article-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-green-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

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

.article-card-title a {
  color: var(--text-bright);
}

.article-card-title a:hover {
  color: var(--accent-green);
}

.article-card-excerpt {
  font-size: 0.875rem;
  color: var(--text-primary);
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

/* ==========================================================================
   Responsive Adaptation (@media queries)
   ========================================================================== */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: auto;
    padding: 0.75rem 0;
    flex-direction: column;
    gap: 0.75rem;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 0.75rem;
  }

  .hero-section {
    padding: 2.5rem 0 2rem;
  }

  .hero-title {
    font-size: 1.85rem;
  }

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

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

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

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

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

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

  .footer-nav {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

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

  .hero-cta-group .btn {
    width: 100%;
  }

  .meta-status-row {
    font-size: 0.75rem;
  }
}