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

  --neon-primary: #FFFF00; /* Bright Yellow */
  --neon-secondary: #FF1493; /* Deep Pink */
  --neon-accent: #00FFFF; /* Cyan */

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

/* 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);
  padding-top: 130px; /* Default padding for fixed header on desktop */
}

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

ul {
  list-style: none;
}

/* Neon Glow Animations - DO NOT MODIFY THESE KEYFRAMES */
@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(255, 255, 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(255, 20, 147, 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(0, 255, 255, 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;
  }
}

/* Neon Glow Class Definitions */
.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);
}

.neon-tube {
  border: 2px solid;
  animation: neon-flicker 2s infinite alternate, theme-colors 4s linear 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 transparent;
  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;
  color: #fff;
}

.header-top {
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
  border-bottom: 2px solid var(--neon-primary);
  box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), inset 0 0 20px rgba(255, 255, 0, 0.1);
  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: 2.2rem;
  font-weight: bold;
  color: var(--neon-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), 0 0 15px var(--neon-primary);
}

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

.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  padding: 12px 30px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  text-shadow: 0 0 5px #ffffff, 0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  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 var(--neon-secondary);
  border-bottom: 2px solid var(--neon-secondary);
  box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary), inset 0 0 20px rgba(255, 20, 147, 0.1);
  padding: 10px 0;
  display: flex; /* Desktop default */
  animation: theme-colors 4s ease-in-out infinite;
}

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

.nav-link {
  font-size: 1.1rem;
  font-weight: 600;
  padding: 10px 15px;
  margin: 0 5px;
  color: #f0f0f0;
  transition: color 0.3s ease, background-color 0.3s ease;
  border-radius: 3px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--neon-primary);
  background-color: rgba(255, 255, 255, 0.05);
}

/* Mobile Specific Header Elements (hidden by default on desktop) */
.mobile-header-bar,
.mobile-nav-buttons,
.mobile-menu-overlay {
  display: none;
}

/* Footer Styles */
.site-footer {
  background-color: var(--dark-bg-2);
  color: #ccc;
  padding: 40px 0 20px 0;
  font-size: 0.9rem;
}

.footer-top-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding: 0 20px 40px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h4 {
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: 15px;
}

.footer-col ul {
  padding: 0;
}

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

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

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

.footer-logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 15px;
  display: block;
}

.footer-description {
  color: #aaa;
  line-height: 1.6;
  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;
  filter: grayscale(100%) brightness(150%); /* Subtle effect for footer icons */
  opacity: 0.8;
  transition: opacity 0.3s ease, 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%);
  opacity: 1;
}

.footer-middle-sections {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 20px 40px 20px;
  display: flex;
  flex-direction: column;
  gap: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.game-providers-section,
.social-media-section {
  width: 100%;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
  color: #888;
}

/* Hamburger Menu Styles */
.hamburger-menu {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  position: relative;
  z-index: 1100;
  padding: 0;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic color for hamburger */
  border-radius: 3px;
}

.hamburger-menu .bar {
  width: 100%;
  height: 3px;
  background-color: var(--neon-primary);
  border-radius: 1.5px;
  transition: all 0.3s ease-in-out;
}

.hamburger-menu.active .bar:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}

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

.hamburger-menu.active .bar:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* Responsive Styles */
@media (max-width: 768px) {
  body {
    padding-top: 150px; /* Adjusted padding for mobile fixed header + buttons */
  }

  .site-header {
    flex-direction: column;
    align-items: center;
  }

  .header-top {
    display: none; /* Hide desktop header-top on mobile */
  }

  .mobile-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 10px 15px;
    background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
    border-bottom: 2px solid var(--neon-primary);
    box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), inset 0 0 10px rgba(255, 255, 0, 0.1);
    animation: theme-colors 4s ease-in-out infinite;
  }

  .logo-mobile {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--neon-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    flex-grow: 1;
    text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), 0 0 15px var(--neon-primary);
  }

  .mobile-nav-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 10px 15px;
    background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3));
    border-bottom: 2px solid var(--neon-secondary);
    box-shadow: 0 0 8px var(--neon-secondary), 0 0 15px var(--neon-secondary), inset 0 0 8px rgba(255, 20, 147, 0.1);
    animation: theme-colors 4s ease-in-out infinite;
  }

  .main-nav {
    display: none; /* Hidden by default */
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 70%; /* Adjust as needed */
    max-width: 300px;
    height: 100%;
    background-color: var(--dark-bg-3);
    padding-top: 20px;
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease-in-out;
    z-index: 1000;
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.5);
    border-right: 2px solid var(--neon-accent);
    animation: theme-colors 4s ease-in-out infinite;
  }

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

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

  .nav-link {
    width: 100%;
    margin: 5px 0;
    padding: 12px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

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

  .footer-top-grid {
    grid-template-columns: 1fr;
    padding: 0 15px 30px 15px;
  }

  .footer-middle-sections {
    padding: 20px 15px 30px 15px;
  }

  .footer-bottom {
    padding: 15px;
  }
}