:root {
  --primary-color: #0A2342;
  --secondary-color: #FFD700;
  --text-color: #ffffff;
  --dark-bg-1: #0a0a0a;
  --dark-bg-2: #1a1a2e;
  --dark-bg-3: #16213e;
  --neon-primary: #00FFFF; /* Cyan */
  --neon-secondary: #FF00FF; /* Magenta */
  --neon-accent: #FFFF00; /* Yellow */
  --neon-cycle-1: #ff00ff, #00ffff, #ffff00, #ff0000, #00ff00, #0000ff;
  --neon-cycle-2: #00ffff, #ffff00, #ff00ff, #00ff00, #ff0000, #0000ff;
  --neon-cycle-3: #ffff00, #ff00ff, #00ffff, #ff0000, #00ff00, #0000ff;
}

/* Base styles for all elements to ensure consistency */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--dark-bg-1);
  overflow-x: hidden; /* Prevent horizontal scroll */
  padding-top: 110px; /* Desktop padding for fixed header */
}

body.no-scroll {
  overflow: hidden;
}

/* 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, #00FFFF);
    box-shadow: 
      0 0 10px var(--neon-primary, #00FFFF),
      0 0 20px var(--neon-primary, #00FFFF),
      inset 0 0 10px rgba(0, 255, 255, 0.3);
  }
  33% {
    border-color: var(--neon-secondary, #FF00FF);
    box-shadow: 
      0 0 10px var(--neon-secondary, #FF00FF),
      0 0 20px var(--neon-secondary, #FF00FF),
      inset 0 0 10px rgba(255, 0, 255, 0.3);
  }
  66% {
    border-color: var(--neon-accent, #FFFF00);
    box-shadow: 
      0 0 10px var(--neon-accent, #FFFF00),
      0 0 20px var(--neon-accent, #FFFF00),
      inset 0 0 10px rgba(255, 255, 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;
  }
}

/* Neon Glow Styles - Multiple styles for different elements */
.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 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 transparent; /* Border for pulse effect, not visible by default */
  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;
}

/* Header Styles */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  color: var(--neon-primary);
}

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

.header-top {
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
  padding: 10px 0;
  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 15px rgba(0, 255, 255, 0.1);
  animation: theme-colors 4s ease-in-out infinite;
  display: flex;
  align-items: center;
}

.header-top .header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8em;
  font-weight: bold;
  text-decoration: none;
  color: var(--text-color);
  white-space: nowrap;
  padding: 5px 0;
  display: block;
  animation: text-glow-flow 3s ease-in-out infinite alternate;
  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;
  align-items: center;
}

.main-nav {
  background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3));
  padding: 10px 0;
  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 15px rgba(255, 0, 255, 0.1);
  animation: alternate-colors 2s ease-in-out infinite alternate;
  display: flex; /* Desktop default: flex */
  flex-direction: row; /* Desktop default: row */
  justify-content: center;
  align-items: center;
}

.main-nav .nav-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.nav-link {
  color: var(--text-color);
  text-decoration: none;
  font-weight: bold;
  padding: 8px 15px;
  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);
}

.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  padding: 12px 25px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  overflow: hidden;
  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) scale(1.02);
  box-shadow:
    0 0 15px currentColor,
    0 0 30px currentColor,
    0 0 45px currentColor,
    inset 0 0 15px rgba(255, 255, 255, 0.2);
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  width: 30px;
  height: 25px;
  position: relative;
  cursor: pointer;
  z-index: 1001;
  transition: transform 0.3s ease;
}

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

.hamburger-menu.active .bar1 {
  transform: translateY(8px) rotate(45deg);
}

.hamburger-menu.active .bar2 {
  opacity: 0;
}

.hamburger-menu.active .bar3 {
  transform: translateY(-8px) rotate(-45deg);
}

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

.mobile-menu-overlay {
  display: none; /* Hidden on desktop */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999;
  transition: opacity 0.3s ease;
  opacity: 0;
}

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

/* Footer Styles */
.site-footer {
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e);
  color: #c0c0c0;
  padding: 40px 0 20px;
  font-size: 0.9em;
}

.footer-top-section {
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-col h4 {
  color: #ffffff;
  font-size: 1.1em;
  margin-bottom: 15px;
  border-left: 3px solid var(--secondary-color);
  padding-left: 10px;
}

.footer-logo {
  font-size: 1.6em;
  font-weight: bold;
  color: var(--secondary-color);
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}

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

.footer-nav-list {
  list-style: none;
}

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

.footer-nav-list a {
  color: #c0c0c0;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-nav-list a:hover {
  color: var(--secondary-color);
}

.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: grayscale(100%) brightness(150%); /* For subtle glow */
  transition: filter 0.3s ease;
}

.payment-icons img:hover, .game-providers-icons img:hover, .social-media-icons img:hover {
  filter: grayscale(0%) brightness(100%) drop-shadow(0 0 5px var(--neon-primary));
}

.footer-middle-section {
  padding: 30px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-middle-section .footer-container > div {
  margin-bottom: 20px;
}

.footer-middle-section .footer-container > div:last-child {
  margin-bottom: 0;
}

.footer-bottom-section {
  padding-top: 20px;
  text-align: center;
}

.copyright {
  color: #888;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .header-container, .nav-container, .footer-container {
    padding: 0 15px;
  }
  .nav-link {
    padding: 8px 10px;
  }
  .footer-top-section .footer-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
  .footer-col.footer-about {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 180px; /* Adjust for mobile fixed header + buttons */
  }

  .site-header {
    flex-direction: column;
  }

  .header-top {
    padding: 10px 0;
    flex-direction: row;
    justify-content: space-between;
    border-bottom: none; /* Remove bottom border for combined mobile header */
    box-shadow: none; /* Remove box shadow for combined mobile header */
    animation: none; /* Remove animation for combined mobile header */
  }

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

  .logo {
    font-size: 1.6em;
    flex-grow: 1;
    text-align: center;
    order: 2; /* Center logo */
  }

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

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

  .mobile-nav-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    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(0, 255, 255, 0.1);
    animation: theme-colors 4s ease-in-out infinite;
    width: 100%;
  }

  .main-nav {
    display: none; /* Default hidden on mobile */
    position: fixed;
    top: 0; /* Will be adjusted by JS for header height */
    left: 0;
    width: 70%;
    height: 100%;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 20px;
    transform: translateX(-100%); /* Start off-screen */
    transition: transform 0.3s ease-in-out;
    box-shadow:
      0 0 15px var(--neon-secondary),
      0 0 30px var(--neon-secondary),
      inset 0 0 15px rgba(255, 0, 255, 0.1);
    animation: alternate-colors 2s ease-in-out infinite alternate;
    z-index: 1000;
    border-right: 2px solid var(--neon-secondary);
    border-top: none;
  }

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

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

  .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .footer-top-section .footer-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-col.footer-about {
    grid-column: span 1;
  }
  .footer-col {
    text-align: center;
  }
  .footer-col h4 {
    border-left: none;
    padding-left: 0;
    text-align: center;
  }
  .footer-nav-list {
    padding-left: 0;
  }
  .footer-nav-list li a {
    display: block;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.4em;
  }
  .btn {
    padding: 10px 20px;
    font-size: 0.9em;
  }
  .footer-logo {
    font-size: 1.4em;
  }
  .footer-col h4 {
    font-size: 1em;
  }
}