/* CSS styles for NOWJ 加速机场 - 影音与娱乐解锁专精风 */

:root {
  --bg-dark: #07050e;
  --bg-card: #110c1f;
  --bg-card-hover: #1b1330;
  --accent-red: #ff2a5f;
  --accent-purple: #9b51e0;
  --accent-gradient: linear-gradient(135deg, #ff2a5f 0%, #9b51e0 100%);
  --accent-glow: rgba(255, 42, 95, 0.35);
  --text-main: #f3f1f8;
  --text-muted: #a097b5;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(255, 42, 95, 0.4);
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --nav-height: 76px;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Dynamic Background Canvas */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
}

/* Glassmorphism Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(7, 5, 14, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.4rem;
  color: #fff;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--accent-glow);
}

.logo-icon svg {
  width: 22px;
  height: 22px;
  fill: #fff;
}

.logo-text span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
}

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 42, 95, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border-color: var(--border-color);
}

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

.btn-large {
  padding: 14px 32px;
  font-size: 1.05rem;
}

/* Hero Section */
.hero {
  position: relative;
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 90px;
  z-index: 1;
  text-align: center;
  overflow: hidden;
}

.hero-poster-wall {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 100%;
  display: flex;
  gap: 20px;
  opacity: 0.12;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 100%);
  pointer-events: none;
  z-index: -1;
}

.poster-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: posterScroll 40s linear infinite;
}

.poster-col:nth-child(even) {
  animation-direction: reverse;
}

.poster-card {
  width: 180px;
  height: 270px;
  border-radius: 12px;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}

@keyframes posterScroll {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 42, 95, 0.1);
  border: 1px solid rgba(255, 42, 95, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: #ff5e87;
  margin-bottom: 24px;
  font-weight: 600;
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1.5px;
}

.hero-title span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  max-width: 720px;
  margin: 0 auto 36px;
  font-size: 1.2rem;
  color: var(--text-muted);
}

.hero-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  max-width: 800px;
  margin: 0 auto;
}

.stat-item h3 {
  font-size: 1.8rem;
  color: #fff;
  font-weight: 800;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Unlock Platforms Section */
.section {
  padding: 90px 0;
  position: relative;
  z-index: 1;
}

.section-title-wrap {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.section-tag {
  color: var(--accent-red);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 14px;
}

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

/* Unlock Wall Grid */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.platform-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-highlight);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px var(--accent-glow);
}

.platform-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 900;
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.platform-name {
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 6px;
}

.platform-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(0, 230, 118, 0.15);
  color: #00e676;
}

/* Speed Demo Section */
.speed-demo-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 0 25px rgba(255, 42, 95, 0.2);
}

.video-player-mock {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.play-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 30px var(--accent-glow);
  transition: var(--transition);
}

.play-btn:hover {
  transform: scale(1.1);
}

.video-hud {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  padding: 8px 14px;
  border-radius: 8px;
  font-family: monospace;
  font-size: 0.8rem;
  color: #00e676;
  border: 1px solid rgba(0, 230, 118, 0.3);
}

.speed-stats-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.speed-stat-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 18px 22px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.speed-stat-info h4 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 4px;
}

.speed-stat-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.speed-stat-val {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

.feature-card.span-2 {
  grid-column: span 2;
}

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(255, 42, 95, 0.1);
  border: 1px solid rgba(255, 42, 95, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-red);
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 10px;
  font-weight: 700;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Nodes & Latency Section */
.node-status-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
}

.node-table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.node-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.node-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.node-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

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

.flag-icon {
  font-size: 1.4rem;
}

.node-details h4 {
  font-size: 0.95rem;
  color: #fff;
  font-weight: 600;
}

.node-details p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.node-ping {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
}

.ping-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00e676;
  box-shadow: 0 0 8px #00e676;
}

.ping-green { color: #00e676; }
.ping-yellow { color: #ffb300; }

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.price-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-highlight);
}

.price-card.popular {
  border-color: var(--accent-red);
  background: linear-gradient(180deg, rgba(255, 42, 95, 0.08) 0%, var(--bg-card) 100%);
  box-shadow: 0 10px 40px rgba(255, 42, 95, 0.15);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: #fff;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.plan-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.plan-price {
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 24px;
}

.plan-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #d1cbdc;
}

.plan-features svg {
  width: 18px;
  height: 18px;
  fill: #00e676;
  flex-shrink: 0;
}

/* Testimonials Carousel */
.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;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
}

.user-details h4 {
  font-size: 1rem;
  color: #fff;
}

.user-details p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.rating {
  color: #ffb300;
  margin-bottom: 12px;
}

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

/* FAQ Accordion */
.faq-wrap {
  max-width: 840px;
  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;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  transition: transform 0.3s ease;
  font-size: 1.2rem;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: rgba(0, 0, 0, 0.2);
}

.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Knowledge Base & Tutorials Section */
.kb-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.kb-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.kb-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-highlight);
  box-shadow: 0 10px 25px rgba(255, 42, 95, 0.2);
}

.kb-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(155, 81, 224, 0.2);
  color: #c77dff;
  margin-bottom: 14px;
  align-self: flex-start;
}

.kb-card h3 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.4;
}

.kb-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.kb-read-more {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-red);
}

/* Article Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.8);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-body h2 {
  font-size: 1.8rem;
  color: #fff;
  margin: 20px 0 12px;
}

.article-body p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.article-body ul {
  margin: 0 0 16px 20px;
  color: var(--text-muted);
}

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

/* CTA Footer Section */
.footer-cta-section {
  padding: 80px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(255, 42, 95, 0.06) 100%);
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer {
  background: #040308;
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .hero-title { font-size: 3rem; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .kb-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .speed-demo-box { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-title { font-size: 2.2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card.span-2 { grid-column: span 1; }
  .kb-grid { grid-template-columns: 1fr; }
}