/* ==========================================================================
   肯德基机场 (kennoji.sbs) - 官方落地页主样式表
   ========================================================================== */

:root {
  --bg-dark: #0d0709;
  --bg-card: #180c10;
  --bg-card-hover: #26131a;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(255, 42, 75, 0.35);
  
  --primary-red: #ff2a4b;
  --primary-crimson: #d90026;
  --primary-gold: #ffc72c;
  --accent-orange: #ff6b35;
  --accent-green: #10b981;

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-sub: #94a3b8;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, rgba(255, 42, 75, 0.18) 0%, rgba(13, 7, 9, 1) 70%);
  min-height: 100vh;
}

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

a:hover {
  color: var(--primary-gold);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 80px 0;
}

.text-gradient {
  background: linear-gradient(135deg, #ff2a4b, #ff6b35, #ffc72c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Header Navigation */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 7, 9, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  height: 72px;
  display: flex;
  align-items: center;
}

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

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-img {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
}

.logo-badge {
  font-size: 0.75rem;
  background: rgba(255, 42, 75, 0.15);
  color: var(--primary-red);
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid rgba(255, 42, 75, 0.35);
  font-weight: 600;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--primary-red);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #ff2a4b 0%, #d90026 100%);
  color: #ffffff !important;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 30px;
  box-shadow: 0 4px 20px rgba(217, 0, 38, 0.4);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255, 42, 75, 0.6);
  color: #ffffff !important;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main) !important;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 30px;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Mobile Toggle & Drawer */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 20px;
  z-index: 99;
}

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

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-links a {
  color: var(--text-main);
  font-size: 1.05rem;
  display: block;
}

/* Hero Section */
.hero-section {
  padding: 90px 0 60px 0;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 199, 44, 0.12);
  border: 1px solid rgba(255, 199, 44, 0.3);
  color: var(--primary-gold);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 36px auto;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 960px;
  margin: 0 auto;
}

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

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-gold);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-top: 4px;
}

/* Section Common Headers */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 50px auto;
}

.section-tag {
  color: var(--primary-red);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Node Speed Test Monitor */
.monitor-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.monitor-header {
  background: rgba(255, 255, 255, 0.03);
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.monitor-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--accent-green);
  font-weight: 600;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

.monitor-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.monitor-table th, .monitor-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
}

.monitor-table th {
  color: var(--text-sub);
  font-weight: 600;
  background: rgba(0, 0, 0, 0.2);
}

.node-flag {
  margin-right: 8px;
}

.ping-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.82rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Bento Features Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  box-shadow: 0 12px 35px rgba(255, 42, 75, 0.15);
}

.bento-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: inline-block;
}

.bento-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.bento-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

/* Pricing Grid Matrix */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 199, 44, 0.5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.pricing-card.popular {
  border: 2px solid var(--primary-red);
  background: linear-gradient(180deg, rgba(255, 42, 75, 0.12) 0%, rgba(24, 12, 16, 1) 100%);
  box-shadow: 0 10px 35px rgba(255, 42, 75, 0.25);
}

.popular-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #ff2a4b, #d90026);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.plan-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.plan-subtitle {
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-bottom: 20px;
  min-height: 40px;
}

.plan-price-box {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.plan-price {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary-gold);
}

.plan-price span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-features li {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-features li svg {
  width: 18px;
  height: 18px;
  color: var(--primary-red);
  flex-shrink: 0;
}

/* User Reviews Section */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-stars {
  color: var(--primary-gold);
  font-size: 1.1rem;
  margin-bottom: 14px;
}

.testimonial-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff2a4b, #ffc72c);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
}

.user-info h4 {
  font-size: 0.95rem;
  color: #fff;
}

.user-info span {
  font-size: 0.78rem;
  color: var(--text-sub);
}

/* FAQ Section */
.faq-list {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-question {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  transition: background var(--transition-fast);
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.03);
}

.faq-icon {
  font-size: 0.8rem;
  color: var(--primary-red);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  transition: all 0.3s ease-out;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px 24px;
}

/* Articles Section */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-sub);
  margin-bottom: 12px;
}

.article-tag {
  background: rgba(255, 42, 75, 0.12);
  color: var(--primary-red);
  padding: 2px 10px;
  border-radius: 12px;
  font-weight: 600;
}

.article-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 12px;
}

.article-excerpt {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.article-link {
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Article Detail Template Styles */
.article-container {
  max-width: 900px;
  margin: 40px auto 80px auto;
  padding: 0 20px;
}

.article-header-box {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.88rem;
  color: var(--text-sub);
  margin-bottom: 16px;
}

.article-content {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.article-content h2 {
  color: #fff;
  font-size: 1.6rem;
  margin: 36px 0 16px 0;
  border-left: 4px solid var(--primary-red);
  padding-left: 14px;
}

.article-content h3 {
  color: #fff;
  font-size: 1.3rem;
  margin: 28px 0 12px 0;
}

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

.article-content ul, .article-content ol {
  margin: 0 0 24px 24px;
}

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

.article-cta-box {
  background: linear-gradient(135deg, rgba(255, 42, 75, 0.15) 0%, rgba(255, 199, 44, 0.1) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin: 48px 0;
}

.article-cta-box h3 {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 12px;
}

/* Footer Section & Core Task 2 PBN Backlinks Styling */
footer {
  background: #080405;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px 0;
  margin-top: 80px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  color: var(--text-sub);
  font-size: 0.9rem;
  margin-top: 16px;
  line-height: 1.6;
}

.footer-col h5 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: var(--text-sub);
  font-size: 0.88rem;
}

.footer-col a:hover {
  color: var(--primary-red);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-sub);
}

/* Regional Nodes Matrix Section */
.region-filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.region-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-sub);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.region-tab-btn:hover, .region-tab-btn.active {
  background: rgba(255, 42, 75, 0.15);
  border-color: var(--primary-red);
  color: #fff;
}

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

.region-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition-fast);
}

.region-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: 0 10px 25px rgba(255, 42, 75, 0.15);
}

.region-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.region-flag-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.region-count-badge {
  font-size: 0.75rem;
  background: rgba(255, 199, 44, 0.15);
  color: var(--primary-gold);
  border: 1px solid rgba(255, 199, 44, 0.3);
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 700;
}

.region-line-type {
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-bottom: 16px;
}

.region-unlock-title {
  font-size: 0.78rem;
  color: var(--text-sub);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.unlock-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.unlock-badge {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  padding: 3px 8px;
  border-radius: 6px;
}

/* Speedtest Live Section */
.speedtest-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.speedtest-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 16px;
}

.server-selector {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.server-select-dropdown {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
}

.speedtest-main-display {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 36px;
  align-items: center;
}

.speedtest-action-box {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.speedtest-btn-start {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff2a4b, #d90026);
  border: 4px solid rgba(255, 199, 44, 0.6);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 0 30px rgba(255, 42, 75, 0.5);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
}

.speedtest-btn-start:hover {
  transform: scale(1.06);
  box-shadow: 0 0 45px rgba(255, 42, 75, 0.8);
}

.speedtest-btn-start.running {
  animation: speedPulse 1s infinite alternate;
  pointer-events: none;
}

@keyframes speedPulse {
  0% { transform: scale(1); box-shadow: 0 0 20px rgba(255, 42, 75, 0.4); }
  100% { transform: scale(1.08); box-shadow: 0 0 50px rgba(255, 199, 44, 0.8); }
}

.speed-meter-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.speed-meter-card {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}

.meter-title {
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-bottom: 8px;
}

.meter-value {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary-gold);
}

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

.speed-progress-bar-bg {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 24px;
}

.speed-progress-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #ff2a4b, #ffc72c);
  transition: width 0.1s linear;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-title { font-size: 2.4rem; }
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .regions-grid { grid-template-columns: repeat(2, 1fr); }
  .speedtest-main-display { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: repeat(1, 1fr); }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-toggle { display: block; }
  .hero-title { font-size: 1.9rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .bento-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .regions-grid { grid-template-columns: 1fr; }
  .speed-meter-grid { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .monitor-table th:nth-child(3), .monitor-table td:nth-child(3) { display: none; }
}



/* ==========================================================================
   Universal Client Download Modal & Center
   ========================================================================== */

body.modal-open {
  overflow: hidden !important;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(10, 5, 7, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: linear-gradient(145deg, #180c10, #221016);
  border: 1px solid var(--border-glow);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 35px rgba(255, 42, 75, 0.2);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  padding: 32px 28px;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-main);
}

.modal-overlay.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover, .modal-close-btn:focus {
  background: rgba(255, 42, 75, 0.2);
  color: #fff;
  border-color: var(--primary-red);
  outline: none;
}

.modal-header {
  text-align: center;
  margin-bottom: 16px;
}

.modal-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.3;
}

.modal-subtitle {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.modal-plan-badge {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 199, 44, 0.12);
  border: 1px solid rgba(255, 199, 44, 0.35);
  color: var(--primary-gold);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.88rem;
  font-weight: 600;
  margin: 12px auto 0;
  max-width: fit-content;
}

.modal-plan-badge.show {
  display: inline-flex;
}

.modal-platforms {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}

.platform-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.platform-btn-android {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
  border-color: rgba(16, 185, 129, 0.35);
  color: #fff;
}

.platform-btn-android:hover {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.28), rgba(16, 185, 129, 0.12));
  border-color: var(--accent-green);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
  color: #fff;
}

.platform-btn-ios {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}

.platform-btn-ios:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.08));
  border-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.15);
  color: #fff;
}

.platform-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.platform-icon svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.platform-info {
  display: flex;
  flex-direction: column;
  text-align: left;
  flex-grow: 1;
}

.platform-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

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

.platform-arrow {
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.platform-btn:hover .platform-arrow {
  transform: translateX(4px);
  color: #fff;
}

.modal-steps {
  background: rgba(0, 0, 0, 0.35);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-top: 14px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-step-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.4;
}

.modal-step-item:last-child {
  margin-bottom: 0;
}

.modal-step-num {
  background: var(--primary-red);
  color: #fff;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 1px;
}

.modal-footer {
  text-align: center;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.modal-footer a {
  color: var(--primary-gold);
  font-size: 0.88rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.modal-footer a:hover {
  text-decoration: underline;
}

/* Download Center Page Specific */
.download-hero {
  padding: 70px 0 40px;
  text-align: center;
}

.download-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin: 40px 0;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  text-align: center;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.download-card.highlight {
  border-color: var(--primary-red);
  box-shadow: 0 0 25px rgba(255, 42, 75, 0.25);
}

.download-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
}

.download-card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--primary-red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
}

.download-card-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-card-icon svg {
  width: 56px;
  height: 56px;
}

.download-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.download-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 20px;
  line-height: 1.5;
}

.download-features-list {
  list-style: none;
  text-align: left;
  width: 100%;
  margin-bottom: 24px;
  padding: 0;
}

.download-features-list li {
  font-size: 0.88rem;
  color: var(--text-sub);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.download-features-list li svg {
  width: 16px;
  height: 16px;
  color: var(--accent-green);
  flex-shrink: 0;
}

.guide-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
}

.guide-step-card h4 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.guide-step-badge {
  background: var(--primary-red);
  color: #fff;
  font-size: 0.8rem;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

@media (max-width: 768px) {
  .download-cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .modal-container {
    padding: 24px 18px;
  }
}