/* ==========================================
   自由航线机场 - 航标路径系统 样式文件
   Visual Theme: 航标路径系统 (Beacon Path System)
   ========================================== */

:root {
  --bg: #F7FAFC;
  --surface: #FFFFFF;
  --surface-soft: #F1F5F8;
  --text: #182532;
  --body-text: #596774;
  --muted: #7E8B95;
  --navy: #233F59;
  --navy-dark: #193247;
  --navy-mid: #3E607A;
  --navy-light: #6C8799;
  --fog: #E8F0F5;
  --fog-light: #F1F5F8;
  --signal: #C47B43;
  --signal-dark: #9D6032;
  --signal-soft: #F7EDE4;
  --grey-cool: #EDF1F3;
  --border: #D5E0E6;
  --route-line: #AFC0CC;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  --container-max: 1200px;
  --container-narrow: 800px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-base);
  -webkit-font-smoothing: antialiased;
}

body {
  line-height: 1.8;
  color: var(--body-text);
  overflow-x: hidden;
}

a {
  color: var(--navy);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--signal-dark);
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  font-weight: 700;
  line-height: 1.35;
}

h1 {
  font-size: 2.5rem; /* ~40px - 56px responsive */
}

h2 {
  font-size: 1.875rem; /* ~30px - 36px */
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.35rem; /* ~22px - 24px */
}

p {
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Nav */
.site-header {
  height: 72px;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
}

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

.brand-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.brand-titles {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.2;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.9375rem;
  color: var(--body-text);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--navy-dark);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 18px;
  height: 2px;
  background-color: var(--route-line);
}

.nav-link.active::before {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 20px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--signal);
}

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background-color: var(--navy);
  color: var(--surface) !important;
  padding: 0.5rem 1.125rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background-color 0.2s ease;
}

.btn-header-cta:hover {
  background-color: var(--navy-dark);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  padding: 0.375rem 0.625rem;
  border-radius: 4px;
  cursor: pointer;
  color: var(--navy);
}

.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--surface);
  border-bottom: 2px solid var(--border);
  padding: 1.5rem;
  z-index: 999;
  box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

.mobile-nav-drawer.open {
  display: block;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav-list a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border);
}

/* Section Common */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-alt {
  background-color: var(--surface);
}

.section-header-route {
  margin-bottom: 2.5rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-tag .tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--signal);
}

.section-direct-answer {
  background-color: var(--fog-light);
  border-left: 3px solid var(--navy-mid);
  padding: 1.25rem 1.5rem;
  border-radius: 0 6px 6px 0;
  font-size: 1.05rem;
  color: var(--text);
  margin-top: 1.25rem;
  line-height: 1.8;
}

/* HERO: 断续航标路径 Hero */
.hero-section {
  padding: 4rem 0 5rem 0;
  min-height: 680px;
  background-color: var(--bg);
  position: relative;
}

.hero-layout {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.hero-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--navy);
  background: var(--fog);
  padding: 0.375rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  width: fit-content;
}

.hero-main-title {
  font-size: 2.75rem;
  color: var(--navy-dark);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.hero-sub-title {
  font-size: 1.5rem;
  color: var(--navy-mid);
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--body-text);
  max-width: 820px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--navy);
  color: var(--surface) !important;
  padding: 0.875rem 2rem;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 700;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background-color: var(--navy-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--surface);
  color: var(--navy) !important;
  border: 1px solid var(--border);
  padding: 0.875rem 1.75rem;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
}

.btn-secondary:hover {
  border-color: var(--navy-mid);
  background-color: var(--fog-light);
}

.hero-text-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Hero Beacon Path Visual Component */
.hero-beacon-path-wrapper {
  margin-top: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem 2rem;
  position: relative;
}

.hero-beacon-path {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  gap: 1rem;
}

.hero-beacon-node {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  z-index: 2;
  flex: 1;
}

.beacon-head {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.75rem;
}

.beacon-dot-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--navy);
  border: 2px solid var(--surface);
  box-shadow: 0 0 0 2px var(--route-line);
}

.beacon-dot-indicator.primary {
  background-color: var(--signal);
  box-shadow: 0 0 0 2px var(--signal-soft);
}

.beacon-step-num {
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.beacon-node-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.375rem;
}

.beacon-node-content {
  font-size: 0.875rem;
  color: var(--body-text);
  line-height: 1.5;
}

.beacon-line-connector {
  position: absolute;
  top: 13px;
  left: 12px;
  right: -50%;
  height: 2px;
  background-image: linear-gradient(to right, var(--route-line) 50%, transparent 50%);
  background-size: 8px 2px;
  background-repeat: repeat-x;
  z-index: 1;
}

.hero-beacon-node:last-child .beacon-line-connector {
  display: none;
}

/* SECTION 01: 目标航标台 */
.target-beacons-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.target-beacon-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--navy-mid);
  padding: 1.5rem;
  border-radius: 4px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.target-beacon-item:hover {
  border-left-color: var(--signal);
  transform: translateY(-2px);
}

.target-beacon-title {
  font-size: 1.15rem;
  color: var(--navy-dark);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.target-beacon-title .beacon-icon-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--signal);
}

.target-beacon-desc {
  font-size: 0.9375rem;
  color: var(--body-text);
}

/* SECTION 02 & 03: 地区与节点 */
.region-nodes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin-top: 2rem;
}

.region-node-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.75rem;
  position: relative;
}

.region-node-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--border);
}

.region-node-name {
  font-size: 1.25rem;
  color: var(--navy);
}

.region-node-badge {
  font-size: 0.8125rem;
  background-color: var(--fog);
  color: var(--navy-mid);
  padding: 0.125rem 0.625rem;
  border-radius: 3px;
  font-weight: 600;
}

.region-node-body p {
  font-size: 0.9375rem;
  color: var(--body-text);
  margin-bottom: 0.75rem;
}

.region-node-targets {
  font-size: 0.875rem;
  color: var(--muted);
  background: var(--fog-light);
  padding: 0.625rem 0.875rem;
  border-radius: 4px;
}

/* SECTION 04: 线路判断 HTML Table */
.line-table-wrapper {
  margin-top: 2rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.line-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  text-align: left;
  font-size: 0.9375rem;
}

.line-table th {
  background-color: var(--navy);
  color: var(--surface);
  padding: 1rem 1.25rem;
  font-weight: 700;
  border-bottom: 2px solid var(--navy-dark);
}

.line-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  color: var(--body-text);
  vertical-align: top;
}

.line-table tr:last-child td {
  border-bottom: none;
}

.line-table tr:nth-child(even) td {
  background-color: var(--fog-light);
}

.line-type-badge {
  display: inline-block;
  font-weight: 700;
  color: var(--navy-dark);
  font-size: 0.9375rem;
}

/* SECTION 05: AI 与流媒体分叉航标 */
.split-beacon-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.split-common-card {
  background: var(--fog-light);
  border: 1px solid var(--border);
  border-top: 3px solid var(--navy);
  padding: 1.5rem;
  border-radius: 6px;
}

.split-branches-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.branch-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--signal);
  padding: 1.75rem;
  border-radius: 6px;
}

.branch-card-title {
  font-size: 1.25rem;
  color: var(--navy);
  margin-bottom: 1rem;
}

/* SECTION 06: 设备航标目录 */
.device-directory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.device-directory-item {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.device-name {
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.device-steps {
  font-size: 0.875rem;
  color: var(--body-text);
  margin-bottom: 1.25rem;
}

.device-steps li {
  margin-bottom: 0.375rem;
  padding-left: 1rem;
  position: relative;
}

.device-steps li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--signal);
}

/* SECTION 07: 五站价目 */
.pricing-path-wrapper {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.pricing-station-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  position: relative;
  transition: border-color 0.2s ease;
}

.pricing-station-card.featured {
  background: var(--fog);
  border-color: var(--navy-mid);
  border-left: 4px solid var(--navy);
}

.pricing-station-info {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex: 1;
}

.station-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--route-line);
}

.pricing-station-card.featured .station-num {
  color: var(--navy);
}

.station-name-area {
  min-width: 140px;
}

.station-title {
  font-size: 1.2rem;
  color: var(--navy);

}

.station-badge {
  display: inline-block;
  background: var(--signal-soft);
  color: var(--signal-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.125rem 0.5rem;
  border-radius: 3px;
  margin-top: 0.25rem;
}

.station-data {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy-dark);
  min-width: 110px;
}

.station-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
}

.station-fit {
  font-size: 0.875rem;
  color: var(--body-text);
  max-width: 320px;
}

/* SECTION 08: 核心路线摘要 (评测) */
.review-summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--navy);
  padding: 2.5rem;
  border-radius: 6px;
  margin-top: 2rem;
}

.review-summary-flow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.flow-step {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
  background: var(--fog);
  padding: 0.375rem 0.75rem;
  border-radius: 4px;
}

.flow-arrow {
  color: var(--route-line);
  font-weight: bold;
}

/* SECTION 09: 路线选择文章中心 */
.articles-route-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

.route-stage-block {
  border-left: 2px dashed var(--route-line);
  padding-left: 1.5rem;
  position: relative;
}

.route-stage-block::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--navy);
}

.route-stage-title {
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 1rem;
}

.articles-stage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.article-route-item {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.25rem;
  border-radius: 4px;
}

.article-route-item.featured-item {
  border-left: 3px solid var(--signal);
}

.article-item-title {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

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

.article-item-title a:hover {
  color: var(--navy);
}

.article-item-meta {
  font-size: 0.8125rem;
  color: var(--muted);
  display: flex;
  gap: 1rem;
  margin-top: 0.75rem;
}

/* SECTION 10: FAQ 路线问答索引 */
.faq-index-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.faq-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.faq-group-title {
  background: var(--fog-light);
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.faq-group-title::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--signal);
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.125rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: inherit;
}

.faq-trigger:hover {
  color: var(--navy);
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--muted);
  transition: transform 0.2s ease;
}

.faq-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-content {
  padding: 0 1.25rem 1.25rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--body-text);
  display: none;
  line-height: 1.75;
}

.faq-content.open {
  display: block;
}

/* Category Page Specifics */
.category-hero {
  padding: 3.5rem 0;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
}

.current-beacon-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--navy);
  color: var(--surface);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.category-intro {
  font-size: 1.1rem;
  color: var(--body-text);
  max-width: 800px;
  margin-top: 0.75rem;
}

/* Article Page Layout */
.article-layout-grid {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 3rem;
  margin-top: 2rem;
}

.article-main-content {
  max-width: 780px;
}

.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

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

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

.breadcrumb-sep {
  color: var(--route-line);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: 1rem;
}

.article-hero-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--navy);
  padding: 1.5rem 1.75rem;
  border-radius: 4px;
  margin-bottom: 2rem;
}

.quick-conclusion-title {
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
}

.article-body h2 {
  font-size: 1.5rem;
  color: var(--navy-dark);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border);
}

.article-body h3 {
  font-size: 1.2rem;
  color: var(--navy);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

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

.article-body ul li {
  list-style: disc;
  margin-bottom: 0.5rem;
}

.article-body ol li {
  list-style: decimal;
  margin-bottom: 0.5rem;
}

.article-toc-sidebar {
  position: sticky;
  top: 90px;
  height: fit-content;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.25rem;
  border-radius: 6px;
  font-size: 0.875rem;
}

.toc-title {
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--border);
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toc-list a {
  color: var(--body-text);
  line-height: 1.4;
}

.toc-list a:hover {
  color: var(--navy);
}

.article-related-box {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border);
}

/* Footer Design */
.site-footer {
  background-color: var(--navy-dark);
  color: #F8FBFC;
  padding: 4rem 0 2rem 0;
  margin-top: 5rem;
  position: relative;
}

.footer-top-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-image: linear-gradient(to right, var(--signal) 30px, transparent 30px, transparent 40px, var(--navy-mid) 40px);
}

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #FFFFFF;
}

.footer-brand-desc {
  font-size: 0.9375rem;
  color: #C8D5DD;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  position: relative;
}

.footer-col-title::after {
  content: "";
  display: block;
  width: 16px;
  height: 2px;
  background-color: var(--signal);
  margin-top: 0.375rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #C8D5DD;
  font-size: 0.9375rem;
}

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

.footer-friends-bar {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: #C8D5DD;
}

.footer-friends-bar a {
  color: #C8D5DD;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  font-size: 0.875rem;
  color: #C8D5DD;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Responsiveness & Mobile Overrides */
@media (max-width: 1024px) {
  .hero-beacon-path {
    flex-wrap: wrap;
    gap: 1.5rem;
  }
  .beacon-line-connector {
    display: none;
  }
  .device-directory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .article-layout-grid {
    grid-template-columns: 1fr;
  }
  .article-toc-sidebar {
    display: none;
  }
}

@media (max-width: 768px) {
  .main-nav, .btn-header-cta {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .hero-main-title {
    font-size: 2rem;
  }
  .hero-sub-title {
    font-size: 1.2rem;
  }
  .region-nodes-grid, .split-branches-grid {
    grid-template-columns: 1fr;
  }
  .pricing-station-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .pricing-station-info {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-beacon-path-wrapper {
    padding: 1.5rem 1rem;
  }
  .hero-beacon-path {
    flex-direction: column;
    gap: 1.25rem;
  }
}

@media (max-width: 430px) {
  .device-directory-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-primary, .btn-secondary {
    justify-content: center;
  }
}

@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;
  }
}