:root {
  --primary-color: #FFD700; /* Gold */
  --secondary-color: #8B0000; /* Dark Red */
  --accent-color: #FF4500; /* OrangeRed */

  --neon-primary: var(--primary-color);
  --neon-secondary: var(--secondary-color);
  --neon-accent: var(--accent-color);

  --dark-bg-1: #0a0a0a;
  --dark-bg-2: #1a1a2e;
  --dark-bg-3: #16213e;
  --dark-bg-4: #0f3460;
}

/* General Body Styling for fixed header */
body {
  margin: 0;
  padding-top: 120px; /* Default for desktop, adjusted by JS for mobile */
  font-family: 'Arial', sans-serif;
  background-color: #000;
  color: #fff;
  line-height: 1.6;
}

/* Animations */
@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 var(--neon-primary), 0 0 20px var(--neon-accent); }
  50% { background-position: 100% 50%; box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-primary); }
  100% { background-position: 0% 50%; box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-accent); }
}

@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(255, 215, 0, 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(139, 0, 0, 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(255, 69, 0, 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 styles for Header (Desktop First) */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  min-height: 60px;
}

.header-top {
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2), var(--dark-bg-3));
  border-bottom: 2px solid var(--neon-primary);
  box-shadow: 
    0 0 10px var(--neon-primary),
    0 0 20px var(--neon-primary),
    0 0 30px var(--neon-primary),
    inset 0 0 20px rgba(255, 215, 0, 0.1);
  width: 100%;
  padding: 10px 0;
  animation: theme-colors 4s ease-in-out infinite;
}

.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: #fff;
  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, neon-flicker 2s infinite alternate;
  padding: 5px 0;
  display: inline-block; /* Ensure it's not display: none */
}

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

.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  padding: 12px 25px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  text-shadow: 
    0 0 5px #ffffff,
    0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  font-weight: bold;
  white-space: nowrap;
}

.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-primary),
    0 0 30px var(--neon-primary),
    inset 0 0 15px rgba(255, 215, 0, 0.5);
}

.main-nav {
  background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3), var(--dark-bg-4));
  border-top: 2px solid var(--neon-secondary);
  border-bottom: 2px solid var(--neon-secondary);
  box-shadow: 
    0 0 10px var(--neon-secondary),
    0 0 20px var(--neon-secondary),
    0 0 30px var(--neon-secondary),
    inset 0 0 20px rgba(139, 0, 0, 0.1);
  width: 100%;
  padding: 10px 0;
  animation: theme-colors 4s ease-in-out infinite reverse;
  display: flex; /* Desktop default: visible */
  flex-direction: row; /* Desktop default: horizontal */
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  flex-wrap: wrap; /* Allow wrapping on smaller desktop screens */
}

.nav-link {
  color: #e0e0e0;
  text-decoration: none;
  padding: 10px 15px;
  margin: 0 5px;
  font-size: 1.1em;
  font-weight: 600;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--neon-primary);
  text-shadow: 
    0 0 5px var(--neon-primary),
    0 0 10px var(--neon-primary);
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1002;
  position: relative;
  width: 40px;
  height: 40px;
  animation: theme-colors 4s ease-in-out infinite; /* Apply dynamic color to hamburger */
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--neon-primary);
  margin-bottom: 6px;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

.hamburger-menu span:last-child {
  margin-bottom: 0;
}

.hamburger-menu.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}
.hamburger-menu.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

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

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1001;
  transition: opacity 0.3s ease;
  opacity: 0;
}

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

/* Footer styles */
.site-footer {
  background-color: var(--dark-bg-1);
  color: #e0e0e0;
  padding: 40px 0 20px 0;
  font-size: 0.95em;
}

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

.footer-top-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--neon-primary);
  font-size: 1.2em;
  margin-bottom: 15px;
  text-transform: uppercase;
}

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

.footer-description {
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

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

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

.footer-nav a {
  color: #e0e0e0;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

.payment-icons img,
.game-providers-icons img,
.social-media-icons img {
  max-height: 50px;
  height: auto;
  width: auto;
  object-fit: contain;
  filter: brightness(0.8) contrast(1.2);
  transition: filter 0.3s ease;
}

.payment-icons img:hover,
.game-providers-icons img:hover,
.social-media-icons img:hover {
  filter: brightness(1) contrast(1.5) drop-shadow(0 0 5px var(--neon-primary));
}

.game-providers-section,
.social-media-section {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.game-providers-section h4,
.social-media-section h4 {
  color: var(--neon-primary);
  font-size: 1.2em;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.copyright {
  font-size: 0.9em;
  color: #a0a0a0;
}

/* Media Queries for Mobile */
@media (max-width: 768px) {
  body {
    padding-top: 150px; /* Adjusted by JS on load/resize */
  }

  .site-header {
    flex-direction: column;
    min-height: auto;
  }

  .header-container {
    width: 100%;
    max-width: none;
    padding: 0 15px;
    justify-content: space-between;
  }

  .logo {
    order: 2;
    flex: 1;
    text-align: center;
    font-size: 1.8em;
  }

  .desktop-nav-buttons {
    display: none;
  }

  .hamburger-menu {
    display: block;
    order: 1;
    margin-right: auto; /* Push logo to center */
  }

  .mobile-nav-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: linear-gradient(135deg, var(--dark-bg-3), var(--dark-bg-4));
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 2px solid var(--neon-accent);
    box-shadow: 
      0 0 8px var(--neon-accent),
      0 0 15px var(--neon-accent),
      inset 0 0 8px rgba(255, 69, 0, 0.1);
    animation: theme-colors 4s linear infinite reverse;
    width: 100%;
    z-index: 1000; /* Ensure it's below the menu overlay */
  }

  .mobile-nav-buttons .btn {
    padding: 10px 20px;
    font-size: 0.95em;
  }

  .main-nav {
    display: none; /* Hidden by default on mobile */
    position: fixed;
    top: 0; /* Will be adjusted by JS */
    left: 0;
    width: 75%; /* Slide out from left */
    height: 100%;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding-top: 20px; /* Internal padding, actual top set by JS */
    z-index: 1002;
    transform: translateX(-100%); /* Start off-screen */
    transition: transform 0.3s ease-out;
    background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3), var(--dark-bg-4));
    border-right: 2px solid var(--neon-primary);
    box-shadow: 
      5px 0 15px rgba(0,0,0,0.5),
      0 0 10px var(--neon-primary);
  }

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

  .nav-container {
    width: 100%;
    max-width: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 0 15px;
  }

  .nav-link {
    width: 100%;
    padding: 15px 20px;
    margin: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: left;
  }

  .nav-link:last-child {
    border-bottom: none;
  }

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

  .footer-col {
    margin-bottom: 0;
  }

  .footer-container {
    padding: 0 15px;
  }
}

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