/* ==========================================================================
   SWISS EDITORIAL TECHNOLOGY - DESIGN SYSTEM & CSS FRAMEWORK
   Brand: 魔戒 (Mojie)
   Theme: Swiss Design + Neo Brutalism + Modular Grid + Data Typography
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-primary: #F5F3EE;
  --bg-secondary: #EBE8E0;
  --bg-card: #FFFFFF;
  --text-main: #111111;
  --text-muted: #5C5C5C;
  --text-light: #888888;
  --border-color: #1A1A1A;
  --border-light: #D8D8D4;
  --accent-orange: #FF5A36;
  --accent-orange-hover: #E04826;
  --selection-bg: #FF5A36;
  --selection-text: #FFFFFF;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Layout Spacing */
  --grid-gap: 24px;
  --container-max: 1400px;
  --section-padding: 80px 24px;
  --header-height: 64px;
}

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

::selection {
  background-color: var(--selection-bg);
  color: var(--selection-text);
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.5;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

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

/* Background Subtle Baseline Grid / Marks */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(26, 26, 26, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(26, 26, 26, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease, background-color 0.15s ease;
}

ul, ol {
  list-style: none;
}

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

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Typography Utilities */
.mono {
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.uppercase {
  text-transform: uppercase;
}

.text-accent {
  color: var(--accent-orange);
}

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

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

/* System Grid & Border Utilities */
.border-b {
  border-bottom: 1px solid var(--border-color);
}
.border-t {
  border-top: 1px solid var(--border-color);
}
.border-l {
  border-left: 1px solid var(--border-color);
}
.border-r {
  border-right: 1px solid var(--border-color);
}
.border-all {
  border: 1px solid var(--border-color);
}

/* Page Index / Section Index Tag */
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.section-tag::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--accent-orange);
}

/* Buttons */
.btn-swiss {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 28px;
  background-color: var(--accent-orange);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  border: 1px solid var(--border-color);
  border-radius: 0px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease-in-out;
}

.btn-swiss:hover {
  background-color: var(--border-color);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 4px 4px 0px var(--accent-orange);
}

.btn-swiss-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 28px;
  background-color: transparent;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease-in-out;
}

.btn-swiss-secondary:hover {
  background-color: var(--text-main);
  color: var(--bg-primary);
}

/* ==========================================================================
   HEADER (Swiss Grid Header)
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(245, 243, 238, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
}

.header-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: var(--header-height);
  padding: 0 24px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.brand-logo {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
  padding-right: 24px;
  border-right: 1px solid var(--border-light);
}

.brand-logo .tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 0 20px;
}

.nav-item {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 4px;
  position: relative;
}

.nav-item span {
  color: var(--accent-orange);
}

.nav-item:hover {
  color: var(--accent-orange);
}

.header-cta {
  padding-left: 20px;
  border-left: 1px solid var(--border-light);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   HERO SECTION (Oversized Typography + Editorial Data Panel)
   ========================================================================== */
.hero-section {
  padding: 60px 0 80px 0;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.hero-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 24px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border-light);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-title-wrap {
  margin-bottom: 40px;
}

.hero-title {
  font-size: clamp(3.5rem, 9.5vw, 9.5rem);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -0.06em;
  text-transform: uppercase;
  color: var(--text-main);
  word-break: break-word;
}

.hero-title-accent {
  color: var(--accent-orange);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: start;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero-desc {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 680px;
  border-left: 3px solid var(--accent-orange);
  padding-left: 20px;
}

.hero-props-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding-top: 10px;
}

.prop-item {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 12px;
  border: 1px solid var(--border-light);
  background-color: var(--bg-card);
  display: flex;
  align-items: center;
  gap: 10px;
}

.prop-item .num {
  color: var(--accent-orange);
  font-weight: 700;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-top: 12px;
}

/* Editorial Data Panel */
.hero-data-panel {
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 24px;
  position: relative;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.status-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--border-light);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #10B981;
  background-color: rgba(16, 185, 129, 0.1);
  padding: 2px 8px;
  border-radius: 2px;
}

.status-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #10B981;
}

.data-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.stat-box {
  text-align: center;
}

.stat-box .number {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.stat-box .label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==========================================================================
   FEATURE INDEX (Editorial Staggered Layout)
   ========================================================================== */
.feature-section {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--border-color);
}

.feature-grid {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.feature-item {
  display: grid;
  grid-template-columns: 0.4fr 1.6fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-light);
}

.feature-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.feature-num {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent-orange);
  line-height: 1;
}

.feature-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}

.feature-title {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.pill-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 14px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
}

/* ==========================================================================
   GEOGRAPHIC INDEX (Global Network)
   ========================================================================== */
.network-section {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.network-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 32px;
}

.region-block {
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 28px;
}

.region-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.region-title {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.region-count {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-orange);
}

.node-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.node-item {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding: 10px 12px;
  border: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-primary);
}

.node-code {
  font-size: 0.75rem;
  color: var(--accent-orange);
  font-weight: 700;
}

/* ==========================================================================
   COMPATIBILITY INDEX (Multi Device & AI / Streaming)
   ========================================================================== */
.device-section {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--border-color);
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.device-card {
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.device-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-orange);
  font-weight: 700;
}

.device-name {
  font-size: 1.4rem;
  font-weight: 800;
}

.device-type {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.ai-streaming-section {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-card);
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 32px;
}

.split-col {
  border: 1px solid var(--border-color);
  padding: 32px;
  background-color: var(--bg-primary);
}

.split-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.split-title {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.split-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-orange);
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border: 1px solid var(--border-light);
  background-color: var(--bg-card);
  font-weight: 700;
  transition: all 0.15s ease;
}

.service-row:hover {
  border-color: var(--accent-orange);
  transform: translateX(4px);
}

.service-row .idx {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-orange);
}

/* ==========================================================================
   EDITORIAL PRICING TABLE
   ========================================================================== */
.pricing-section {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--border-color);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.pricing-card {
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.pricing-card.recommended {
  border: 2px solid var(--accent-orange);
  background-color: #FFFDF9;
}

.recommended-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background-color: var(--accent-orange);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  letter-spacing: 0.05em;
  border: 1px solid var(--border-color);
}

.card-top {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 24px;
}

.plan-code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.plan-name {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 16px;
}

.price-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.price-number {
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 900;
  font-family: var(--font-mono);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--text-main);
}

.price-unit {
  font-size: 1rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.traffic-highlight {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-orange);
  padding: 12px 0;
  border-bottom: 1px dashed var(--border-light);
  margin-bottom: 20px;
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.feature-line {
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
}

.feature-line::before {
  content: "—";
  color: var(--accent-orange);
  font-weight: 700;
}

/* ==========================================================================
   TECHNOLOGY JOURNAL (SEO Articles Section)
   ========================================================================== */
.journal-section {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.journal-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 40px;
}

.featured-article {
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.featured-article .meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-orange);
  font-weight: 700;
  margin-bottom: 16px;
}

.featured-article .title {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 20px;
}

.featured-article .summary {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 28px;
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.article-row-item {
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.15s ease;
}

.article-row-item:hover {
  border-color: var(--accent-orange);
  transform: translateX(4px);
}

.article-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.article-info .num-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-orange);
  font-weight: 700;
}

.article-info .title {
  font-size: 1.1rem;
  font-weight: 800;
}

.article-arrow {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
}

/* ==========================================================================
   EDITORIAL QUOTES (Testimonials)
   ========================================================================== */
.quotes-section {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--border-color);
}

.quotes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.quote-card {
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.quote-mark {
  font-family: var(--font-mono);
  font-size: 4rem;
  line-height: 0.8;
  color: var(--accent-orange);
  margin-bottom: 16px;
}

.quote-text {
  font-size: 1.1rem;
  line-height: 1.6;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 24px;
}

.quote-author {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  padding-top: 12px;
}

/* ==========================================================================
   INDEX FAQ (Accordion System)
   ========================================================================== */
.faq-section {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--border-color);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
  max-width: 900px;
}

.faq-item {
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
}

.faq-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px;
  cursor: pointer;
  user-select: none;
}

.faq-title-wrap {
  display: flex;
  align-items: center;
  gap: 20px;
}

.faq-num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent-orange);
}

.faq-question {
  font-size: 1.25rem;
  font-weight: 800;
}

.faq-toggle {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  color: var(--accent-orange);
}

.faq-answer {
  display: none;
  padding: 0 24px 24px 64px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
  border-top: 1px dashed var(--border-light);
  margin-top: 0;
  padding-top: 20px;
}

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

/* ==========================================================================
   SWISS FOOTER
   ========================================================================== */
.footer {
  background-color: #0E0E0E;
  color: #F5F3EE;
  padding: 80px 0 40px 0;
}

.footer-brand {
  font-size: clamp(4rem, 12vw, 12rem);
  font-weight: 900;
  line-height: 0.8;
  letter-spacing: -0.06em;
  text-transform: uppercase;
  color: #F5F3EE;
  margin-bottom: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid #333333;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid #333333;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-orange);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.95rem;
}

.footer-links a {
  color: #AAAAAA;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 40px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #666666;
}

/* ==========================================================================
   ARTICLE PAGE STYLING
   ========================================================================== */
.article-header-section {
  padding: 60px 0 40px 0;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-card);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-h1 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.article-meta-bar {
  display: flex;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-orange);
  font-weight: 700;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.article-content-body {
  padding: 60px 0;
  max-width: 860px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.8;
  color: #222222;
}

.article-content-body h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin: 48px 0 20px 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.article-content-body h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 32px 0 16px 0;
}

.article-content-body p {
  margin-bottom: 24px;
}

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

.article-content-body li {
  margin-bottom: 8px;
}

.article-cta-box {
  border: 2px solid var(--accent-orange);
  background-color: var(--bg-card);
  padding: 32px;
  margin: 48px 0;
  text-align: center;
}

.article-cta-box h3 {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 12px;
}

.article-cta-box p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ==========================================================================
   RESPONSIVE LAYOUT BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .feature-body {
    grid-template-columns: 1fr;
  }

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

  .journal-layout {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  :root {
    --section-padding: 50px 16px;
  }

  .header-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 16px;
  }

  .header-nav.active {
    display: flex;
  }

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

  .header-cta {
    display: none;
  }

  .hero-title {
    font-size: clamp(2.8rem, 12vw, 5rem);
  }

  .feature-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

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

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .faq-answer {
    padding-left: 24px;
  }
}

@media (max-width: 430px) {
  .hero-props-list {
    grid-template-columns: 1fr;
  }

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

  .node-list {
    grid-template-columns: 1fr;
  }

  .data-stats-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}