/* ==========================================================================
   尔湾云机场 - 品牌官方落地页样式库 (Irvine Cloud Airport Design System)
   配色方案：
   - 纯净白: #FAFBF7
   - 天空蓝: #3B82F6
   - 太平洋青: #37B7A5
   - 阳光黄: #FFD34E
   - 深石墨: #17202A
   ========================================================================== */

:root {
  --color-sunlight-white: #FAFBF7;
  --color-sky-blue: #3B82F6;
  --color-sky-blue-hover: #2563EB;
  --color-sky-blue-soft: #EFF6FF;
  --color-pacific-teal: #37B7A5;
  --color-pacific-teal-hover: #2DA191;
  --color-pacific-teal-light: #EDFAF8;
  --color-pacific-teal-glow: rgba(55, 183, 165, 0.25);
  --color-sunlight-yellow: #FFD34E;
  --color-sunlight-yellow-light: #FFF9E6;
  --color-sunlight-yellow-hover: #F5C635;
  --color-deep-graphite: #17202A;
  --color-graphite-muted: #4B5869;
  --color-graphite-subtle: #8A99AD;
  --color-surface-white: #FFFFFF;
  --color-border: #E8ECEF;
  --color-border-hover: #D1D9E0;

  --shadow-sm: 0 1px 2px 0 rgba(23, 32, 42, 0.05);
  --shadow-md: 0 4px 16px -2px rgba(23, 32, 42, 0.08), 0 2px 6px -1px rgba(23, 32, 42, 0.04);
  --shadow-lg: 0 12px 32px -4px rgba(23, 32, 42, 0.1), 0 4px 12px -2px rgba(23, 32, 42, 0.05);
  --shadow-warm: 0 16px 36px -6px rgba(255, 211, 78, 0.35);
  --shadow-teal: 0 16px 36px -6px rgba(55, 183, 165, 0.3);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  background-color: var(--color-sunlight-white);
  color: var(--color-deep-graphite);
  font-size: 16px;
  line-height: 1.65;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol {
  list-style: none;
}

button, input, select {
  font: inherit;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding: 96px 0;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(55, 183, 165, 0.12);
  color: var(--color-pacific-teal);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  border: 1px solid rgba(55, 183, 165, 0.25);
}

.section-tag.yellow {
  background: rgba(255, 211, 78, 0.2);
  color: #B47800;
  border-color: rgba(255, 211, 78, 0.5);
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.75rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-deep-graphite);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-graphite-muted);
  max-width: 680px;
  margin: 0 auto 48px auto;
  line-height: 1.7;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 251, 247, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(232, 236, 239, 0.7);
  transition: all var(--transition-fast);
}

.site-header.scrolled {
  background: rgba(250, 251, 247, 0.98);
  box-shadow: 0 4px 20px rgba(23, 32, 42, 0.06);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-deep-graphite);
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-pacific-teal), var(--color-sky-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 12px rgba(55, 183, 165, 0.35);
}

.brand-icon svg {
  width: 24px;
  height: 24px;
}

/* Top Official Verification Bar */
.official-verify-bar {
  background: #17202A;
  color: #E2E8F0;
  font-size: 0.8rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.official-verify-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  text-align: center;
}

.ov-badge {
  background: var(--color-pacific-teal);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
}

.brand-text-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-badge-official {
  font-size: 0.7rem;
  padding: 3px 8px;
  background: linear-gradient(135deg, var(--color-sunlight-yellow), #F59E0B);
  color: #5B3900;
  border-radius: var(--radius-full);
  font-weight: 800;
  box-shadow: 0 2px 6px rgba(255, 211, 78, 0.4);
}

.nav-link.active {
  color: var(--color-pacific-teal);
  font-weight: 700;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-pacific-teal);
  border-radius: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  color: var(--color-graphite-muted);
  font-size: 0.95rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-pacific-teal);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-sky-blue);
  color: #fff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: var(--color-sky-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(59, 130, 246, 0.4);
}

.btn-teal {
  background: var(--color-pacific-teal);
  color: #fff;
  box-shadow: var(--shadow-teal);
}

.btn-teal:hover {
  background: var(--color-pacific-teal-hover);
  transform: translateY(-1px);
}

.btn-yellow {
  background: var(--color-sunlight-yellow);
  color: var(--color-deep-graphite);
  box-shadow: var(--shadow-warm);
}

.btn-yellow:hover {
  background: var(--color-sunlight-yellow-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: var(--color-surface-white);
  border-color: var(--color-border);
  color: var(--color-deep-graphite);
}

.btn-outline:hover {
  border-color: var(--color-pacific-teal);
  color: var(--color-pacific-teal);
  background: var(--color-pacific-teal-light);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-deep-graphite);
}

@media (max-width: 960px) {
  .nav-menu {
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    background: #FAFBF7;
    flex-direction: column;
    padding: 24px;
    box-shadow: 0 20px 30px rgba(0,0,0,0.08);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .mobile-toggle {
    display: block;
  }
}

/* ==========================================================================
   Hero Section: South California Tech Asymmetric Layout
   ========================================================================== */
.hero-section {
  padding: 50px 0 90px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 10% 20%, rgba(255, 249, 230, 0.7) 0%, transparent 40%),
              radial-gradient(circle at 90% 30%, rgba(237, 250, 248, 0.8) 0%, transparent 45%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

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

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(255, 211, 78, 0.25);
  border: 1px solid rgba(255, 211, 78, 0.6);
  color: #925800;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero-tag .live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(2.3rem, 4.2vw, 3.6rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-deep-graphite);
  margin-bottom: 22px;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.hero-title .highlight-blue {
  color: var(--color-sky-blue);
  background: linear-gradient(120deg, #3B82F6 0%, #37B7A5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--color-graphite-muted);
  line-height: 1.75;
  margin-bottom: 34px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 36px;
}

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.875rem;
  color: var(--color-graphite-muted);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-trust-item svg {
  color: var(--color-pacific-teal);
  flex-shrink: 0;
}

/* Hero Visual: Asymmetric Photo + Device UI Mockups */
.hero-visual-wrapper {
  position: relative;
}

.hero-photo-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid #fff;
  max-height: 480px;
}

.hero-photo-card img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23, 32, 42, 0.05) 0%, rgba(23, 32, 42, 0.45) 100%);
}

.hero-photo-caption {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.hero-photo-caption h4 {
  font-size: 1.1rem;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

.hero-photo-caption p {
  font-size: 0.8rem;
  opacity: 0.9;
}

/* Floating Device Card 1: Desktop Clash Client */
.hero-device-float-desktop {
  position: absolute;
  top: -24px;
  left: -32px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  padding: 16px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(232, 236, 239, 0.8);
  width: 270px;
  z-index: 5;
  animation: float-slow 6s ease-in-out infinite;
}

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

.client-mock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #F1F4F7;
}

.client-dots {
  display: flex;
  gap: 5px;
}

.client-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.client-dots .d-red { background: #FF5F56; }
.client-dots .d-yellow { background: #FFBD2E; }
.client-dots .d-green { background: #27C93F; }

.client-profile-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-deep-graphite);
}

.client-active-node {
  background: var(--color-pacific-teal-light);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.node-info-mini {
  display: flex;
  align-items: center;
  gap: 8px;
}

.node-flag {
  font-size: 1.1rem;
}

.node-title-mini {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-deep-graphite);
  line-height: 1.2;
}

.node-sub-mini {
  font-size: 0.7rem;
  color: var(--color-graphite-muted);
}

.node-ping-badge {
  font-size: 0.75rem;
  font-weight: 800;
  color: #059669;
  background: #D1FAE5;
  padding: 2px 6px;
  border-radius: 6px;
}

/* Floating Device Card 2: Mobile Clash Party Client */
.hero-device-float-mobile {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  padding: 14px 18px;
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(23, 32, 42, 0.16);
  border: 1px solid rgba(232, 236, 239, 0.9);
  width: 250px;
  z-index: 5;
  animation: float-reverse 7s ease-in-out infinite;
}

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

.mobile-client-status {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-switch-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--color-pacific-teal);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(55, 183, 165, 0.4);
}

.mobile-switch-text h5 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-deep-graphite);
}

.mobile-switch-text p {
  font-size: 0.72rem;
  color: #059669;
  font-weight: 600;
}

@media (max-width: 640px) {
  .hero-device-float-desktop,
  .hero-device-float-mobile {
    position: static;
    width: 100%;
    margin-top: 14px;
  }
}

/* ==========================================================================
   Pacific Route Visualization Section (Master Visual Device)
   尔湾 -> 太平洋 -> 全球主要城市真实节点线路交互
   ========================================================================== */
.route-section {
  background: linear-gradient(180deg, #FAFBF7 0%, #FFFFFF 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.route-container-card {
  background: #17202A;
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 48px -10px rgba(23, 32, 42, 0.35);
}

.route-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.route-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(55, 183, 165, 0.2);
  color: var(--color-pacific-teal);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.route-stats-pill {
  display: flex;
  gap: 20px;
  background: rgba(255, 255, 255, 0.06);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
}

.route-stat-item span {
  color: var(--color-sunlight-yellow);
  font-weight: 700;
}

/* SVG Interactive Map Canvas */
.route-map-canvas {
  width: 100%;
  height: 380px;
  position: relative;
  background: radial-gradient(circle at 50% 50%, rgba(55, 183, 165, 0.08) 0%, transparent 70%);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.route-map-canvas svg {
  width: 100%;
  height: 100%;
}

/* Route Dash Animation */
.flight-path {
  stroke-dasharray: 6 6;
  animation: dash-flow 25s linear infinite;
}

@keyframes dash-flow {
  to {
    stroke-dashoffset: -1000;
  }
}

.node-pulse-circle {
  animation: pulse-ring 2.5s infinite;
  transform-origin: center;
}

@keyframes pulse-ring {
  0% { r: 5; opacity: 1; }
  100% { r: 24; opacity: 0; }
}

/* Route Live Node Bar */
.route-nodes-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.node-live-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 12px;
  padding: 14px 16px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.node-live-card:hover, .node-live-card.active {
  background: rgba(55, 183, 165, 0.15);
  border-color: var(--color-pacific-teal);
  transform: translateY(-2px);
}

.nl-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.nl-city {
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nl-latency {
  font-size: 0.8rem;
  font-weight: 700;
  color: #10B981;
}

.nl-details {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #94A3B8;
}

/* ==========================================================================
   Horizontal City Gallery (节点章节：主城市图 + 2张辅助图 + 真实节点配置)
   ========================================================================== */
.city-gallery-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: stretch;
}

@media (max-width: 900px) {
  .city-gallery-grid {
    grid-template-columns: 1fr;
  }
}

.gallery-main-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-height: 440px;
  background: #17202A;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.gallery-main-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: transform 0.5s ease;
}

.gallery-main-card:hover img {
  transform: scale(1.03);
}

.gallery-main-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23,32,42,0.1) 0%, rgba(23,32,42,0.85) 75%, rgba(23,32,42,0.96) 100%);
}

.gallery-main-content {
  position: relative;
  z-index: 2;
  padding: 32px;
  color: #fff;
}

.gallery-badge {
  background: var(--color-sunlight-yellow);
  color: #6C4200;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 12px;
}

.gallery-main-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.gallery-main-desc {
  font-size: 0.95rem;
  color: #CBD5E1;
  margin-bottom: 20px;
  line-height: 1.6;
}

.gallery-node-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.spec-item .spec-label {
  font-size: 0.72rem;
  color: #94A3B8;
  display: block;
}

.spec-item .spec-val {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

/* Secondary 2 auxiliary cards */
.gallery-aux-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.gallery-aux-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 208px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: #17202A;
}

.gallery-aux-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: transform 0.4s ease;
}

.gallery-aux-card:hover img {
  transform: scale(1.04);
}

.gallery-aux-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23,32,42,0.1) 0%, rgba(23,32,42,0.92) 100%);
}

.gallery-aux-content {
  position: relative;
  z-index: 2;
  padding: 20px;
  color: #fff;
}

.gallery-aux-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.gallery-aux-meta {
  font-size: 0.8rem;
  color: #94A3B8;
  display: flex;
  gap: 16px;
}

.gallery-aux-meta span {
  color: var(--color-pacific-teal);
  font-weight: 600;
}

/* ==========================================================================
   Product Section: 浅青色满宽背景 + 客户端切换/状态放大交互
   ========================================================================== */
.product-section {
  background-color: var(--color-pacific-teal-light);
  border-top: 1px solid rgba(55, 183, 165, 0.18);
  border-bottom: 1px solid rgba(55, 183, 165, 0.18);
  position: relative;
  overflow: hidden;
}

.product-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(55, 183, 165, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.product-showcase-box {
  background: #FFFFFF;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(55, 183, 165, 0.15), 0 2px 10px rgba(23, 32, 42, 0.04);
  border: 1px solid rgba(55, 183, 165, 0.22);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 960px) {
  .product-showcase-box {
    grid-template-columns: 1fr;
    padding: 24px;
  }
}

/* Client Interactive Simulator */
.client-simulator {
  background: #17202A;
  border-radius: 18px;
  box-shadow: 0 16px 36px rgba(23, 32, 42, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  color: #fff;
}

.sim-window-bar {
  background: #1F2A37;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sim-tabs {
  display: flex;
  background: #111827;
  padding: 4px;
  border-radius: 8px;
  gap: 4px;
}

.sim-tab-btn {
  background: transparent;
  border: none;
  color: #9CA3AF;
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
}

.sim-tab-btn.active {
  background: var(--color-pacific-teal);
  color: #fff;
}

.sim-body {
  padding: 24px;
}

.sim-connection-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  padding: 16px;
  border-radius: 14px;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.sim-status-title {
  font-size: 0.85rem;
  color: #9CA3AF;
}

.sim-status-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: #10B981;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sim-toggle-switch {
  width: 52px;
  height: 28px;
  background: #10B981;
  border-radius: 20px;
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
}

.sim-toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  right: 3px;
  width: 22px;
  height: 22px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  transition: right 0.3s;
}

.sim-node-select-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sim-node-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: all 0.2s;
}

.sim-node-item:hover, .sim-node-item.selected {
  background: rgba(55, 183, 165, 0.15);
  border-color: var(--color-pacific-teal);
}

.sim-node-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
}

.sim-node-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sim-speed-val {
  font-size: 0.78rem;
  color: #6EE7B7;
  font-weight: 700;
}

.product-features-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.product-feature-item {
  display: flex;
  gap: 16px;
}

.pf-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-pacific-teal);
  box-shadow: 0 4px 12px rgba(55, 183, 165, 0.2);
  flex-shrink: 0;
}

.pf-text h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-deep-graphite);
}

.pf-text p {
  font-size: 0.92rem;
  color: var(--color-graphite-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Pricing Section: 白底与日光黄推荐方案 (Recommended Plan Spotlight)
   ========================================================================== */
.pricing-section {
  background: #FAFBF7;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: center;
}

@media (max-width: 960px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

.pricing-card {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 36px 30px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
}

/* Recommended Sunlight Yellow Card */
.pricing-card.recommended {
  border: 2px solid var(--color-sunlight-yellow);
  box-shadow: 0 16px 40px rgba(255, 211, 78, 0.25), 0 2px 8px rgba(0,0,0,0.04);
  transform: scale(1.04);
  z-index: 2;
}

.pricing-card.recommended:hover {
  transform: scale(1.05) translateY(-4px);
}

.recommended-pill {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-sunlight-yellow);
  color: #714700;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 4px 10px rgba(255, 211, 78, 0.4);
}

.plan-name {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--color-deep-graphite);
}

.plan-desc {
  font-size: 0.88rem;
  color: var(--color-graphite-muted);
  margin-bottom: 24px;
  min-height: 42px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.plan-currency {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-deep-graphite);
}

.plan-amount {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-deep-graphite);
}

.plan-period {
  font-size: 0.9rem;
  color: var(--color-graphite-muted);
}

.plan-specs {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.spec-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--color-graphite-muted);
}

.spec-line svg {
  color: var(--color-pacific-teal);
  flex-shrink: 0;
}

.spec-line.highlight {
  font-weight: 700;
  color: var(--color-deep-graphite);
}

.pricing-guarantee-note {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  font-size: 0.9rem;
  color: var(--color-graphite-muted);
  flex-wrap: wrap;
}

.pricing-guarantee-note span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   Target Audience (适合人群)
   ========================================================================== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 992px) {
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .audience-grid {
    grid-template-columns: 1fr;
  }
}

.audience-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.audience-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-pacific-teal);
  box-shadow: var(--shadow-md);
}

.audience-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-pacific-teal-light);
  color: var(--color-pacific-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.audience-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-deep-graphite);
}

.audience-desc {
  font-size: 0.9rem;
  color: var(--color-graphite-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Clash / Clash Party Step-by-Step Tutorials
   ========================================================================== */
.tutorial-section {
  background: #FFFFFF;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.tutorial-tabs-header {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.tut-tab-btn {
  padding: 10px 24px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: #FAFBF7;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-graphite-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tut-tab-btn.active {
  background: var(--color-sky-blue);
  color: #fff;
  border-color: var(--color-sky-blue);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.tutorial-tab-pane {
  display: none;
}

.tutorial-tab-pane.active {
  display: block;
}

.tut-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 960px) {
  .tut-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .tut-steps-grid {
    grid-template-columns: 1fr;
  }
}

.tut-step-card {
  background: #FAFBF7;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 26px 22px;
  position: relative;
}

.tut-step-num {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 2rem;
  font-weight: 900;
  color: rgba(55, 183, 165, 0.2);
  line-height: 1;
}

.tut-step-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-pacific-teal-light);
  color: var(--color-pacific-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.tut-step-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-deep-graphite);
}

.tut-step-text {
  font-size: 0.88rem;
  color: var(--color-graphite-muted);
  line-height: 1.6;
}

.tut-code-pill {
  margin-top: 12px;
  background: #E8ECEF;
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.78rem;
  font-family: monospace;
  color: #1E293B;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tut-copy-btn {
  background: none;
  border: none;
  color: var(--color-pacific-teal);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 700;
}

/* ==========================================================================
   User Testimonials (用户评价)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

.testimonial-card {
  background: #FFFFFF;
  border-radius: 18px;
  border: 1px solid var(--color-border);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.test-stars {
  color: #F59E0B;
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
}

.test-quote {
  font-size: 0.95rem;
  color: var(--color-deep-graphite);
  line-height: 1.7;
  margin-bottom: 20px;
}

.test-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.test-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-pacific-teal-light);
  color: var(--color-pacific-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.test-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.test-role {
  font-size: 0.8rem;
  color: var(--color-graphite-subtle);
}

/* ==========================================================================
   FAQ Section (常见问题)
   ========================================================================== */
.faq-section {
  background: #FAFBF7;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-pacific-teal);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-deep-graphite);
  cursor: pointer;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-pacific-teal-light);
  color: var(--color-pacific-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
  background: var(--color-pacific-teal);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease-out;
  padding: 0 24px;
  color: var(--color-graphite-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px 24px;
}

/* ==========================================================================
   Articles Catalog Section (文章站/资讯中心)
   ========================================================================== */
.articles-section {
  background: #FFFFFF;
  border-top: 1px solid var(--color-border);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 960px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
}

.article-card {
  background: #FAFBF7;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-pacific-teal);
}

.article-thumb {
  height: 180px;
  position: relative;
  overflow: hidden;
}

.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.article-card:hover .article-thumb img {
  transform: scale(1.05);
}

.article-category {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(23, 32, 42, 0.75);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.article-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--color-deep-graphite);
}

.article-title a:hover {
  color: var(--color-sky-blue);
}

.article-excerpt {
  font-size: 0.88rem;
  color: var(--color-graphite-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  font-size: 0.8rem;
  color: var(--color-graphite-subtle);
}

.article-link-more {
  color: var(--color-pacific-teal);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   CTA Banner (加州阳光呼唤)
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, #17202A 0%, #1F2E3D 100%);
  border-radius: 24px;
  padding: 60px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(23, 32, 42, 0.2);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 180px;
  background: radial-gradient(ellipse, rgba(255, 211, 78, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-desc {
  font-size: 1.05rem;
  color: #CBD5E1;
  max-width: 600px;
  margin: 0 auto 32px auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Footer & Sitemap (页脚网站地图与合规)
   ========================================================================== */
.site-footer {
  background: #111827;
  color: #9CA3AF;
  padding: 80px 0 32px;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

@media (max-width: 992px) {
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .footer-top {
    grid-template-columns: 1fr;
  }
}

.footer-col h5 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a:hover {
  color: var(--color-sunlight-yellow);
}

.footer-brand-desc {
  margin-top: 14px;
  line-height: 1.6;
  max-width: 320px;
  font-size: 0.88rem;
}

.footer-badge-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-top: 16px;
  font-size: 0.78rem;
  color: #37B7A5;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 0.85rem;
}

.footer-legal-links {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
}

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

/* ==========================================================================
   Article Detail Page Templates (SEO 深度文章专用样式)
   ========================================================================== */
.article-header {
  padding: 60px 0 30px;
  background: linear-gradient(180deg, #FAFBF7 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-graphite-subtle);
  margin-bottom: 20px;
}

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

.breadcrumb-nav a:hover {
  color: var(--color-pacific-teal);
}

.article-main-title {
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  font-weight: 900;
  line-height: 1.25;
  color: var(--color-deep-graphite);
  margin-bottom: 20px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--color-graphite-subtle);
  font-size: 0.88rem;
  flex-wrap: wrap;
}

.article-content-wrapper {
  padding: 48px 0 80px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}

@media (max-width: 960px) {
  .article-content-wrapper {
    grid-template-columns: 1fr;
  }
}

.article-rich-text {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #2D3748;
}

.article-rich-text h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-pacific-teal-light);
  color: var(--color-deep-graphite);
}

.article-rich-text h3 {
  font-size: 1.28rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--color-deep-graphite);
}

.article-rich-text p {
  margin-bottom: 20px;
}

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

.article-rich-text ul li {
  list-style-type: disc;
  margin-bottom: 8px;
}

.article-rich-text ol li {
  list-style-type: decimal;
  margin-bottom: 8px;
}

.article-rich-text blockquote {
  background: var(--color-pacific-teal-light);
  border-left: 4px solid var(--color-pacific-teal);
  padding: 16px 22px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  color: var(--color-deep-graphite);
  font-style: normal;
}

.article-rich-text table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.article-rich-text th, .article-rich-text td {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.92rem;
}

.article-rich-text th {
  background: #F8FAFC;
  font-weight: 700;
  color: var(--color-deep-graphite);
}

.article-sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-deep-graphite);
}

.sidebar-toc-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

.sidebar-toc-list a {
  color: var(--color-graphite-muted);
}

.sidebar-toc-list a:hover {
  color: var(--color-pacific-teal);
}

.sidebar-promo-banner {
  background: linear-gradient(135deg, var(--color-pacific-teal), #2D7A78);
  color: #fff;
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}

.sidebar-promo-banner h4 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.sidebar-promo-banner p {
  font-size: 0.88rem;
  opacity: 0.9;
  margin-bottom: 18px;
}

/* Article specific FAQ box */
.article-faq-box {
  margin-top: 48px;
  background: #FAFBF7;
  border: 1px solid rgba(55, 183, 165, 0.3);
  border-radius: 18px;
  padding: 32px;
}

.article-faq-box h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-deep-graphite);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}