:root {
  --primary-color: #FFD700;
  --secondary-color: #4B0082;
  --neon-primary: var(--primary-color);
  --neon-secondary: color-mix(in srgb, var(--primary-color) 70%, #FF00FF); /* Gold mixed with Magenta */
  --neon-accent: color-mix(in srgb, var(--secondary-color) 60%, #00FFFF); /* Violet mixed with Cyan */
  --neon-primary-rgb: 255, 215, 0; /* RGB for #FFD700 */
  --neon-secondary-rgb: 255, 0, 255; /* RGB for #FF00FF */
  --neon-accent-rgb: 0, 255, 255; /* RGB for #00FFFF */
}

/* Global styles for body to prevent header overlap */
body {
  margin: 0;
  padding-top: 130px; /* Default for desktop, adjusted by JS */
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0a0a0a;
  color: #f0f0f0;
}

/* Animations from prompt */
@keyframes rainbow-border {
  0% { border-color: #ff0000; box-shadow: 0 0 10px #ff0000, 0 0 20px #ff0000; }
  16.6% { border-color: #ff8000; box-shadow: 0 0 10px #ff8000, 0 0 20px #ff8000; }
  33.3% { border-color: #ffff00; box-shadow: 0 0 10px #ffff00, 0 0 20px #ffff00; }
  50% { border-color: #00ff00; box-shadow: 0 0 10px #00ff00, 0 0 20px #00ff00; }
  66.6% { border-color: #0000ff; box-shadow: 0 0 10px #0000ff, 0 0 20px #0000ff; }
  83.3% { border-color: #8000ff; box-shadow: 0 0 10px #8000ff, 0 0 20px #8000ff; }
  100% { border-color: #ff0000; box-shadow: 0 0 10px #ff0000, 0 0 20px #ff0000; }
}

@keyframes hue-spin {
  0% { filter: hue-rotate(0deg); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
  100% { filter: hue-rotate(360deg); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
}

@keyframes alternate-colors {
  0% { border-color: var(--neon-primary); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
  100% { border-color: var(--neon-secondary); box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary); }
}

@keyframes gradient-flow {
  0% { background-position: 0% 50%; box-shadow: 0 0 10px #ff0000, 0 0 20px #ff8000; }
  50% { background-position: 100% 50%; box-shadow: 0 0 10px #00ffff, 0 0 20px #0000ff; }
  100% { background-position: 0% 50%; box-shadow: 0 0 10px #ff0000, 0 0 20px #ff8000; }
}

@keyframes random-glow {
  0% { border-color: #ff00ff; box-shadow: 0 0 20px #ff00ff; }
  20% { border-color: #00ffff; box-shadow: 0 0 20px #00ffff; }
  40% { border-color: #ffff00; box-shadow: 0 0 20px #ffff00; }
  60% { border-color: #00ff00; box-shadow: 0 0 20px #00ff00; }
  80% { border-color: #ff0000; box-shadow: 0 0 20px #ff0000; }
  100% { border-color: #ff00ff; box-shadow: 0 0 20px #ff00ff; }
}

@keyframes theme-colors {
  0%, 100% {
    border-color: var(--neon-primary);
    box-shadow: 
      0 0 10px var(--neon-primary),
      0 0 20px var(--neon-primary),
      inset 0 0 10px rgba(var(--neon-primary-rgb), 0.3);
  }
  33% {
    border-color: var(--neon-secondary);
    box-shadow: 
      0 0 10px var(--neon-secondary),
      0 0 20px var(--neon-secondary),
      inset 0 0 10px rgba(var(--neon-secondary-rgb), 0.3);
  }
  66% {
    border-color: var(--neon-accent);
    box-shadow: 
      0 0 10px var(--neon-accent),
      0 0 20px var(--neon-accent),
      inset 0 0 10px rgba(var(--neon-accent-rgb), 0.3);
  }
}

@keyframes neon-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    opacity: 1;
    box-shadow: 
      0 0 10px currentColor,
      0 0 20px currentColor,
      0 0 30px currentColor,
      inset 0 0 15px currentColor;
  }
  20%, 24%, 55% {
    opacity: 0.8;
    box-shadow: 
      0 0 5px currentColor,
      0 0 10px currentColor,
      0 0 15px currentColor,
      inset 0 0 10px currentColor;
  }
}

@keyframes pulse-glow {
  from {
    box-shadow: 
      0 0 5px currentColor,
      0 0 10px currentColor;
  }
  to {
    box-shadow: 
      0 0 15px currentColor,
      0 0 30px currentColor,
      0 0 45px currentColor;
  }
}

@keyframes led-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

@keyframes text-glow-flow {
  0% {
    text-shadow: 
      0 0 5px var(--neon-primary),
      0 0 10px var(--neon-primary),
      0 0 15px var(--neon-primary);
    color: #ffffff;
  }
  50% {
    text-shadow: 
      0 0 5px var(--neon-secondary),
      0 0 10px var(--neon-secondary),
      0 0 15px var(--neon-secondary);
    color: #ffffff;
  }
  100% {
    text-shadow: 
      0 0 5px var(--neon-accent),
      0 0 10px var(--neon-accent),
      0 0 15px var(--neon-accent);
    color: #ffffff;
  }
}

/* Base Neon Glow */
.neon-glow {
  box-shadow: 
    0 0 5px currentColor,
    0 0 10px currentColor,
    0 0 15px currentColor,
    0 0 20px currentColor,
    inset 0 0 10px rgba(255, 255, 255, 0.1);
}

/* Styles from prompt for multiple glow styles */
.neon-tube {
  border: 2px solid;
  animation: neon-flicker 2s infinite alternate, theme-colors 4s ease-in-out infinite;
}

.cyber-grid {
  background: 
    linear-gradient(90deg, transparent 95%, currentColor 100%),
    linear-gradient(180deg, transparent 95%, currentColor 100%);
  background-size: 20px 20px;
  border: 1px solid;
  animation: hue-spin 4s linear infinite;
}

.neon-pulse {
  border: 2px solid;
  animation: pulse-glow 2s ease-in-out infinite alternate, theme-colors 4s ease-in-out infinite;
}

.rainbow-flow {
  border: 2px solid;
  animation: rainbow-border 3s linear infinite;
}

.hue-rotate {
  border: 2px solid;
  filter: hue-rotate(0deg);
  animation: hue-spin 4s linear infinite;
}

.alternate-glow {
  border: 2px solid;
  animation: alternate-colors 2s ease-in-out infinite alternate;
}

.color-stream {
  position: relative;
  border: 2px solid transparent;
  background: linear-gradient(45deg, 
    #ff0000, #ff8000, #ffff00, #00ff00, 
    #00ffff, #0000ff, #8000ff, #ff0080
  );
  background-size: 400% 400%;
  animation: gradient-flow 3s ease infinite;
}

.random-colors {
  border: 2px solid;
  animation: random-glow 5s linear infinite;
}

.theme-flow {
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
}

.led-matrix {
  border: 2px solid;
  box-shadow: 
    0 0 5px currentColor,
    0 0 10px currentColor;
  position: relative;
  animation: random-glow 5s linear infinite;
}

.led-matrix::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: 
    radial-gradient(circle at 0% 0%, currentColor 2px, transparent 3px),
    radial-gradient(circle at 100% 0%, currentColor 2px, transparent 3px),
    radial-gradient(circle at 0% 100%, currentColor 2px, transparent 3px),
    radial-gradient(circle at 100% 100%, currentColor 2px, transparent 3px);
  background-size: 20px 20px;
  animation: led-blink 1s steps(2) infinite;
}

.neon-text-dynamic {
  animation: text-glow-flow 3s ease-in-out infinite alternate;
}

/* Header Styles */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  color: #ffffff;
}

.header-top {
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  padding: 15px 0;
  position: relative;
  border-bottom: 2px solid var(--neon-primary);
  box-shadow: 
    0 0 15px var(--neon-primary),
    0 0 30px var(--neon-primary),
    inset 0 0 20px rgba(var(--neon-primary-rgb), 0.1);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.logo {
  font-size: 2.2em;
  font-weight: bold;
  text-decoration: none;
  color: #ffffff;
  transition: color 0.3s ease;
  letter-spacing: 2px;
  text-shadow:
    0 0 5px var(--neon-primary),
    0 0 10px var(--neon-primary),
    0 0 15px var(--neon-primary);
  animation: text-glow-flow 3s ease-in-out infinite alternate;
}

.desktop-nav-buttons {
  display: flex;
  gap: 12px;
}

.btn {
  position: relative;
  padding: 12px 25px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  text-transform: uppercase;
  transition: all 0.3s ease;
  overflow: hidden;
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  text-shadow:
    0 0 5px #ffffff,
    0 0 10px var(--neon-primary);
}

.btn:hover {
  animation-duration: 2s; /* hover时加快颜色变化速度 */
  transform: translateY(-2px);
  box-shadow: 
    0 0 15px var(--neon-accent),
    0 0 30px var(--neon-accent),
    inset 0 0 15px rgba(var(--neon-accent-rgb), 0.5);
}

.main-nav {
  background: linear-gradient(135deg, #16213e, #0f3460, #1a1a2e);
  padding: 10px 0;
  border-top: 2px solid var(--neon-secondary);
  border-bottom: 2px solid var(--neon-secondary);
  box-shadow: 
    0 0 15px var(--neon-secondary),
    0 0 30px var(--neon-secondary),
    inset 0 0 20px rgba(var(--neon-secondary-rgb), 0.1);
  width: 100%;
  display: flex; /* Desktop default: flex */
  flex-direction: row; /* Desktop default: row */
}

.main-nav .nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  flex-wrap: wrap;
}

.nav-link {
  color: #f0f0f0;
  text-decoration: none;
  padding: 10px 18px;
  font-weight: 500;
  font-size: 1.05em;
  transition: color 0.3s ease, background-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav-link:hover {
  color: var(--neon-accent);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.hamburger-menu {
  display: none; /* Hidden on desktop, shown by media query */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
  position: relative;
  width: 40px;
  height: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  margin-right: 15px;
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--neon-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

.hamburger-menu.active span:nth-child(1) {
  transform: translateY(13px) rotate(45deg);
}

.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
  transform: translateY(-13px) rotate(-45deg);
}

.mobile-buttons-area {
  display: none; /* Hidden on desktop */
}

.mobile-menu-overlay {
  display: none; /* Hidden by default, shown by JS */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 998;
  transition: opacity 0.3s ease;
  opacity: 0;
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

/* Footer Styles */
.site-footer {
  background: #1a1a1a;
  color: #cccccc;
  padding: 40px 0 20px 0;
  font-size: 0.95em;
  line-height: 1.6;
}

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

.footer-top-section {
  padding-bottom: 30px;
  border-bottom: 1px solid #333;
}

.footer-top-section .footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.footer-col h4 {
  color: #f0f0f0;
  font-size: 1.2em;
  margin-bottom: 15px;
  border-bottom: 1px solid #444;
  padding-bottom: 8px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  color: #cccccc;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-logo {
  font-size: 1.8em;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  margin-bottom: 15px;
  display: block;
}

.footer-description {
  color: #aaaaaa;
  margin-top: 10px;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.payment-methods .payment-icons,
.game-providers-section .game-providers-icons,
.social-media-section .social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.payment-methods .payment-icons img,
.game-providers-section .game-providers-icons img,
.social-media-section .social-media-icons img {
  max-height: 50px;
  height: auto;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%) brightness(150%); /* Subtle effect for icons */
  transition: filter 0.3s ease;
}

.payment-methods .payment-icons img:hover,
.game-providers-section .game-providers-icons img:hover,
.social-media-section .social-media-icons img:hover {
  filter: grayscale(0%) brightness(100%);
}

.game-providers-section,
.social-media-section {
  padding: 25px 0;
}

.game-providers-section h4,
.social-media-section h4 {
  color: #f0f0f0;
  font-size: 1.2em;
  margin-bottom: 15px;
  border-bottom: 1px solid #444;
  padding-bottom: 8px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 20px;
  margin-top: 20px;
  text-align: center;
}

.footer-bottom .footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.copyright {
  color: #aaaaaa;
  margin: 0;
}

.footer-legal-nav a {
  color: #aaaaaa;
  text-decoration: none;
  margin: 0 10px;
  transition: color 0.3s ease;
}

.footer-legal-nav a:hover {
  color: var(--primary-color);
}

/* Responsive Styles */
@media (max-width: 768px) {
  body {
    padding-top: 180px; /* Adjust for mobile header + button area height */
  }

  .header-top {
    padding: 10px 0;
    border-bottom: none;
    box-shadow: none;
  }

  .header-container {
    padding: 0 15px;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 100%; /* Important for mobile */
    max-width: none; /* Important for mobile */
  }

  .logo {
    font-size: 1.8em;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: auto; /* Allow logo to size naturally */
    flex: none; /* Remove flex sizing */
    padding-right: 0; /* No offset needed with absolute positioning */
  }

  .hamburger-menu {
    display: flex; /* Show on mobile */
    order: -1; /* Move to start */
    margin-right: 0;
    margin-left: 0; /* No extra margin */
    position: relative;
    z-index: 1002; /* Ensure hamburger is clickable */
  }

  .desktop-nav-buttons {
    display: none; /* Hide desktop buttons */
  }

  .mobile-buttons-area {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 10px 15px;
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
    border-bottom: 2px solid var(--neon-accent);
    box-shadow: 
      0 0 10px var(--neon-accent),
      0 0 20px var(--neon-accent),
      inset 0 0 15px rgba(var(--neon-accent-rgb), 0.1);
    width: 100%;
    box-sizing: border-box;
  }

  .mobile-buttons-area .btn {
    font-size: 0.9em;
    padding: 10px 20px;
  }

  .main-nav {
    display: none; /* Hidden by default on mobile, shown by JS */
    flex-direction: column; /* Vertical menu */
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    background: linear-gradient(180deg, #0a0a0a, #1a1a2e, #16213e);
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease-in-out;
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.5);
    padding-top: 80px; /* Space for fixed header */
    z-index: 999;
    border-right: 2px solid var(--neon-secondary);
  }

  .main-nav.active {
    display: flex; /* Show when active */
    transform: translateX(0); /* Slide in */
  }

  .main-nav .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
    max-width: none; /* Important for mobile */
    width: 100%; /* Important for mobile */
  }

  .nav-link {
    width: 100%;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 1.1em;
  }

  .site-footer {
    padding: 30px 0 15px 0;
  }

  .footer-top-section .footer-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-col h4,
  .game-providers-section h4,
  .social-media-section h4 {
    margin-left: 0;
    margin-right: 0;
    padding-left: 0;
    padding-right: 0;
    text-align: center;
  }

  .footer-logo {
    text-align: center;
    margin-bottom: 10px;
  }

  .footer-description {
    text-align: center;
  }

  .payment-methods .payment-icons,
  .game-providers-section .game-providers-icons,
  .social-media-section .social-media-icons {
    justify-content: center;
  }

  .footer-bottom .footer-container {
    flex-direction: column;
  }

  .footer-legal-nav a {
    margin: 5px 8px;
  }
}

/* Ensure body.no-scroll works */
body.no-scroll {
  overflow: hidden;
}