:root {
  --primary-site-color: #FFD700;
  --secondary-site-color: #8B0000;
  --neon-primary: var(--primary-site-color);
  --neon-secondary: var(--secondary-site-color);
  --neon-accent: #00FFFF; /* A bright contrasting color */
  --dark-bg-1: #0a0a0a;
  --dark-bg-2: #1a1a2e;
  --dark-bg-3: #16213e;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #f0f0f0;
  background-color: var(--dark-bg-1);
  min-height: 100vh; /* Ensure body takes full height */
}

body.no-scroll {
  overflow: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Neon Glow 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 #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);
  }
  33% {
    border-color: var(--neon-secondary);
    box-shadow: 
      0 0 10px var(--neon-secondary),
      0 0 20px var(--neon-secondary);
  }
  66% {
    border-color: var(--neon-accent);
    box-shadow: 
      0 0 10px var(--neon-accent),
      0 0 20px var(--neon-accent);
  }
}

@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;
  }
}

/* Header Styles (Desktop First) */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  min-height: 80px; /* Minimum height for header */
}

.header-top {
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  padding: 15px 0;
  position: relative;
  z-index: 10;
}

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

.logo {
  font-size: 2.5em;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #fff;
  transition: color 0.3s ease;
  padding: 5px 0;
}

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

.neon-pulse {
  animation: pulse-glow 2s ease-in-out infinite alternate;
}

.desktop-nav-buttons {
  display: flex;
  gap: 15px;
}

.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  padding: 12px 30px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  font-weight: bold;
  text-shadow: 
    0 0 5px #ffffff,
    0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover {
  animation-duration: 2s; /* hover时加快颜色变化速度 */
  transform: translateY(-2px);
}

.main-nav {
  background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3));
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite reverse; /* Different animation direction for contrast */
  padding: 10px 0;
  display: flex; /* Desktop default: flex */
  flex-direction: row; /* Desktop default: row */
  justify-content: center;
  align-items: center;
  position: static; /* Desktop default: static */
  z-index: 5;
}

.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;
}

.nav-link {
  color: #f0f0f0;
  padding: 10px 15px;
  font-size: 1.1em;
  font-weight: 500;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  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 */
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
  transform: rotate(0deg);
  transition: .5s ease-in-out;
  z-index: 1001;
}

.hamburger-menu span {
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  background: var(--neon-primary);
  border-radius: 9px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: .25s ease-in-out;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

.hamburger-menu span:nth-child(1) { top: 0px; }
.hamburger-menu span:nth-child(2) { top: 8px; }
.hamburger-menu span:nth-child(3) { top: 16px; }

.hamburger-menu.active span:nth-child(1) {
  top: 8px;
  transform: rotate(135deg);
}

.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
  left: -60px;
}

.hamburger-menu.active span:nth-child(3) {
  top: 8px;
  transform: rotate(-135deg);
}

.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
  justify-content: center;
  padding: 10px 20px;
  gap: 10px;
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-overlay {
  display: none; /* Hidden on desktop */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
  backdrop-filter: blur(5px);
}

/* Footer Styles */
.site-footer {
  background-color: var(--dark-bg-2);
  color: #ccc;
  padding: 40px 0 20px;
  font-size: 0.9em;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-top-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 30px;
}

.footer-col h4 {
  color: #f0f0f0;
  font-size: 1.2em;
  margin-bottom: 15px;
  position: relative;
}

.footer-col h4::after {
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background-color: var(--neon-primary);
  margin-top: 5px;
}

.footer-about .footer-logo {
  font-size: 1.8em;
  font-weight: bold;
  color: var(--neon-primary);
  margin-bottom: 10px;
  display: block;
}

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

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

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

.footer-col ul li a {
  color: #ccc;
  transition: color 0.3s ease;
}

.footer-col ul li 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-methods h4,
.game-providers-section h4,
.social-media-section h4 {
  text-align: left;
}

.footer-middle-sections {
  max-width: 1200px;
  margin: 0 auto 30px;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.footer-bottom {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
  color: #aaa;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .site-header {
    padding-bottom: 70px; /* Space for mobile-nav-buttons */
  }

  .header-container {
    padding: 0 15px;
    justify-content: center;
    position: relative;
  }

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

  .hamburger-menu {
    display: block; /* Show hamburger menu on mobile */
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
  }

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

  .main-nav {
    display: none; /* Hide main nav by default on mobile */
    flex-direction: column; /* Stack menu items vertically */
    position: fixed;
    top: 0;
    left: 0;
    width: 70%;
    height: 100%;
    background: linear-gradient(180deg, var(--dark-bg-3), var(--dark-bg-1));
    padding-top: 100px; /* Space for header content */
    transform: translateX(-100%); /* Hide menu off-screen */
    transition: transform 0.3s ease-in-out;
    border: none;
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
    align-items: flex-start;
  }

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

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 15px;
    width: 100%;
    max-width: none; /* Crucial for mobile full width */
  }

  .nav-link {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .mobile-nav-buttons {
    display: flex; /* Show mobile buttons */
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 10;
    padding: 10px 15px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.3);
    border-top: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
  }

  .mobile-menu-overlay.active {
    display: block; /* Show overlay when menu is active */
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 15px;
  }

  .footer-middle-sections {
    padding: 0 15px;
  }

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

  .footer-col h4::after {
    margin: 5px auto 0;
  }

  .footer-col ul {
    padding-left: 0;
  }

  .footer-about .footer-logo {
    text-align: center;
  }

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

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

  /* Ensure main content area is not covered by fixed header + mobile buttons */
  body {
    padding-top: 150px; /* Adjust based on actual header and mobile button height */
  }
}