/* ==========================================================================
   飞鸟 (Feinio) 网络加速器 - 商务简洁版全套样式表 (Pure CSS)
   ========================================================================== */

:root {
  /* 商务科技调性 - 深邃蓝灰背景 + 飞鸟粉蓝双主色 */
  --primary-pink: #FF6584;
  --primary-blue: #3F83F8;
  --bg-dark: #0B0F19;
  --bg-surface: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(63, 131, 248, 0.35);
  --border-pink-glow: rgba(255, 101, 132, 0.35);

  --text-main: #F9FAFB;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;

  --accent-pink-glow: rgba(255, 101, 132, 0.2);
  --accent-blue-glow: rgba(63, 131, 248, 0.2);
  --green-status: #10B981;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --container-width: 1200px;
}

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

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 15% 15%, rgba(255, 101, 132, 0.08) 0%, transparent 45%),
              radial-gradient(circle at 85% 75%, rgba(63, 131, 248, 0.1) 0%, transparent 45%),
              linear-gradient(180deg, #0B0F19 0%, #111827 100%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* 商务风页眉导航栏 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 15, 25, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.35rem;
  font-weight: 800;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary-pink), var(--primary-blue));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 14px var(--accent-pink-glow);
}

.logo-text-pink { color: var(--primary-pink); }
.logo-text-blue { color: var(--primary-blue); }

.nav-menu {
  display: none;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* 按钮组件 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: 99px;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-blue) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 18px var(--accent-pink-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 101, 132, 0.4);
  opacity: 0.95;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1.05rem;
}

/* 主视觉区 (Hero Section - 左右分栏) */
.hero {
  padding: 4rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

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

.hero-left {
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 101, 132, 0.08);
  border: 1px solid rgba(255, 101, 132, 0.25);
  color: var(--primary-pink);
  padding: 0.35rem 0.9rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 1.25rem;
  letter-spacing: -0.5px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-stats-row {
  display: flex;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

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

.stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-blue);
}

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

/* 主视觉右侧：CSS 原生动态图卡面板 */
.hero-right {
  position: relative;
  display: flex;
  justify-content: center;
}

.dashboard-card {
  width: 100%;
  max-width: 480px;
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 30px var(--accent-blue-glow);
  backdrop-filter: blur(16px);
  position: relative;
}

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.dash-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.live-dot {
  width: 8px;
  height: 8px;
  background-color: var(--green-status);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--green-status);
  animation: pulseGreen 2s infinite ease-in-out;
}

@keyframes pulseGreen {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

.dash-speed {
  font-family: monospace;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-blue);
  background: rgba(63, 131, 248, 0.1);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
}

.node-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.node-item {
  background: rgba(31, 41, 55, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.node-item.active {
  border-color: var(--primary-pink);
  background: rgba(255, 101, 132, 0.08);
  box-shadow: 0 4px 15px rgba(255, 101, 132, 0.15);
}

.node-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.node-flag { font-size: 1.2rem; }

.node-ping {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--green-status);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.speed-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 48px;
  padding-top: 8px;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--primary-blue), var(--primary-pink));
  border-radius: 4px;
  animation: barWave 1.8s ease-in-out infinite alternate;
}

.chart-bar:nth-child(1) { height: 40%; animation-delay: 0.1s; }
.chart-bar:nth-child(2) { height: 75%; animation-delay: 0.3s; }
.chart-bar:nth-child(3) { height: 55%; animation-delay: 0.5s; }
.chart-bar:nth-child(4) { height: 90%; animation-delay: 0.2s; }
.chart-bar:nth-child(5) { height: 65%; animation-delay: 0.4s; }
.chart-bar:nth-child(6) { height: 100%; animation-delay: 0.6s; }
.chart-bar:nth-child(7) { height: 80%; animation-delay: 0.15s; }
.chart-bar:nth-child(8) { height: 45%; animation-delay: 0.35s; }

@keyframes barWave {
  0% { transform: scaleY(0.5); }
  100% { transform: scaleY(1); }
}

.floating-badge {
  position: absolute;
  top: -15px;
  right: -15px;
  background: rgba(17, 24, 39, 0.95);
  border: 1px solid var(--primary-pink);
  border-radius: 99px;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-pink);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  animation: floatBadge 3s infinite ease-in-out;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Section Framework */
.section {
  padding: 4.5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

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

/* Core Advantages Grid */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all 0.3s ease;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(63, 131, 248, 0.1);
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
}

.card-icon.pink {
  background: rgba(255, 101, 132, 0.1);
  color: var(--primary-pink);
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Streaming & AI Cards */
.media-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.media-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.tag-pink { border-color: rgba(255, 101, 132, 0.3); color: var(--primary-pink); }
.tag-blue { border-color: rgba(63, 131, 248, 0.3); color: var(--primary-blue); }

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: stretch;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.price-card.popular {
  border-color: var(--primary-pink);
  background: linear-gradient(180deg, rgba(255, 101, 132, 0.08) 0%, rgba(17, 24, 39, 0.95) 100%);
  box-shadow: 0 10px 35px var(--accent-pink-glow);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary-pink), var(--primary-blue));
  color: #FFF;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.3rem 1rem;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
  margin-bottom: 1.25rem;
}

.price-currency {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-pink);
}

.price-val {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1;
  color: var(--text-main);
}

.price-unit {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-grow: 1;
}

.plan-features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.check-icon {
  color: var(--primary-blue);
  font-weight: bold;
}

/* ==========================================================================
   SEO 文章图卡板块样式 (放在价格板块下方)
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.article-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-pink-glow);
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.article-card.featured-card {
  border-color: var(--primary-pink);
  background: linear-gradient(180deg, rgba(255, 101, 132, 0.06) 0%, rgba(17, 24, 39, 0.85) 100%);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.article-category {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  background: rgba(63, 131, 248, 0.12);
  color: var(--primary-blue);
  border: 1px solid rgba(63, 131, 248, 0.25);
}

.article-category.pink-cat {
  background: rgba(255, 101, 132, 0.12);
  color: var(--primary-pink);
  border-color: rgba(255, 101, 132, 0.25);
}

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

.article-title-text {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.45;
  margin-bottom: 0.85rem;
  color: var(--text-main);
  transition: color 0.2s ease;
}

.article-card:hover .article-title-text {
  color: var(--primary-pink);
}

.article-excerpt {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.article-readmore {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap 0.2s ease, color 0.2s ease;
}

.article-card:hover .article-readmore {
  color: var(--primary-pink);
  gap: 0.7rem;
}

/* SEO 文章详情页全套样式 */
.article-detail-header {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2.5rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

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

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

.article-detail-title {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 1rem;
}

.article-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.article-body-wrapper {
  max-width: 860px;
  margin: 0 auto;
  padding-bottom: 5rem;
}

.article-body-wrapper h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-blue);
  margin: 2.25rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.article-body-wrapper h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-pink);
  margin: 1.75rem 0 0.75rem;
}

.article-body-wrapper p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.article-body-wrapper ul, .article-body-wrapper ol {
  color: var(--text-secondary);
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.article-body-wrapper li {
  margin-bottom: 0.6rem;
}

/* 文章内部突出框 & 首页内链卡片 */
.internal-link-box {
  background: linear-gradient(135deg, rgba(255, 101, 132, 0.08), rgba(63, 131, 248, 0.08));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.internal-link-box h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-pink);
}

.internal-link-box p {
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
}

.internal-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #FFF;
  background: linear-gradient(135deg, var(--primary-pink), var(--primary-blue));
  padding: 0.6rem 1.25rem;
  border-radius: 99px;
  font-size: 0.9rem;
  font-weight: 700;
  width: fit-content;
}

/* Reviews Grid */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

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

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-pink), var(--primary-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #FFF;
}

.user-name { font-weight: 700; font-size: 0.95rem; }
.user-role { font-size: 0.8rem; color: var(--text-muted); }
.stars { color: #FFD166; margin-left: auto; }

.review-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* FAQ List */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 840px;
  margin: 0 auto;
}

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

.faq-q {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.faq-q::before {
  content: 'Q.';
  color: var(--primary-pink);
  font-weight: 900;
}

.faq-a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  padding-left: 1.7rem;
  line-height: 1.6;
}

/* Footer Section - ONLY 4 REQUIRED TITLE LINKS */
.footer {
  margin-top: 5rem;
  background: #080C14;
  border-top: 1px solid var(--border-subtle);
  padding: 2.5rem 0;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  list-style: none;
}

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

.footer-link:hover {
  color: var(--primary-pink);
}

.footer-copy {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* PBN 友情链接样式 */
.pbn-section {
  width: 100%;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.pbn-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.pbn-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  list-style: none;
}

.pbn-anchor {
  color: var(--primary-pink);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 101, 132, 0.08);
  border: 1px solid rgba(255, 101, 132, 0.25);
  border-radius: 99px;
  transition: all 0.25s ease;
}

.pbn-anchor:hover {
  color: var(--primary-blue);
  background: rgba(63, 131, 248, 0.12);
  border-color: rgba(63, 131, 248, 0.35);
  box-shadow: 0 4px 12px rgba(63, 131, 248, 0.2);
}

/* Sub-page General Styles */
.page-header {
  padding: 3.5rem 0 2rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2.5rem;
}

.page-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.content-body {
  max-width: 880px;
  margin: 0 auto;
  padding-bottom: 4rem;
}

.content-section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 1.75rem;
}

.content-section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.content-section p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.content-section ul {
  padding-left: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

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

/* Responsive Media Queries */
@media (min-width: 768px) {
  .nav-menu { display: flex; }
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }
  .hero-title { font-size: 3.2rem; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .media-grid { grid-template-columns: repeat(2, 1fr); }
  .articles-grid { grid-template-columns: repeat(3, 1fr); }
  .reviews-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-nav { flex-direction: row; justify-content: space-between; }
  .footer-copy { margin-top: 0; }
}

@media (min-width: 1024px) {
  .pricing-grid { grid-template-columns: repeat(4, 1fr); }
}