:root {
  --primary-color: #FFD700; /* Gold */
  --secondary-color: #8B0000; /* Dark Red */
  --neon-primary: #FFFF00; /* Bright Yellow Neon */
  --neon-secondary: #FF1493; /* Deep Pink Neon */
  --neon-accent: #00FFFF; /* Cyan Neon */
  --dark-bg-1: #0a0a0a;
  --dark-bg-2: #1a1a2e;
  --dark-bg-3: #16213e;
}

/* Base Styles */
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #000;
  color: #f0f0f0;
  line-height: 1.6;
  padding-top: 130px; /* Approx height of header-top + main-nav on desktop */
}

/* Global Container */
.header-container, .nav-container, .footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
  box-sizing: border-box;
}

/* Neon Animations */
@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;
  }
}

@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 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);
  }
}

/* Header Styles (Desktop-First) */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  min-height: 80px; /* Base height for header content */
  display: flex;
  flex-direction: column;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Overall header glow */
}

.header-top {
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2), var(--dark-bg-3));
  padding: 15px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* Individual glow removed, using site-header overall glow */
}

.header-top .header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-size: 2.2em;
  font-weight: bold;
  text-decoration: none;
  color: #fff;
  white-space: nowrap;
  padding: 0;
  animation: text-glow-flow 3s ease-in-out infinite alternate;
  filter: drop-shadow(0 0 5px var(--neon-primary));
  text-transform: uppercase; /* Ensure uppercase for english part */
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  cursor: pointer;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1001;
  margin-right: 20px;
  padding: 5px;
  box-sizing: content-box;
}

.hamburger-menu span {
  display: block;
  position: absolute;
  height: 4px;
  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: 10px; }
.hamburger-menu span:nth-child(3) { top: 20px; }

.hamburger-menu.active span:nth-child(1) {
  top: 10px;
  transform: rotate(135deg);
  background: var(--neon-secondary);
  box-shadow: 0 0 5px var(--neon-secondary), 0 0 10px var(--neon-secondary);
}
.hamburger-menu.active span:nth-child(2) { opacity: 0; left: -60px; }
.hamburger-menu.active span:nth-child(3) {
  top: 10px;
  transform: rotate(-135deg);
  background: var(--neon-secondary);
  box-shadow: 0 0 5px var(--neon-secondary), 0 0 10px var(--neon-secondary);
}

.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 30px;
  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.alternate-glow {
  animation: alternate-colors 2s ease-in-out infinite alternate;
}

.btn:hover {
  animation-duration: 2s; /* hover时加快颜色变化速度 */
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.2);
}

.main-nav {
  background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3), #0f3460);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 10px 0;
  display: flex; /* Desktop default: flex */
  flex-direction: row; /* Desktop default: row */
  justify-content: center;
  align-items: center;
  /* Individual glow removed, using site-header overall glow */
  position: static; /* Desktop default: static */
  width: 100%;
}

.main-nav .nav-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 25px;
  width: 100%;
}

.nav-link {
  color: #f0f0f0;
  text-decoration: none;
  font-size: 1.1em;
  font-weight: 500;
  padding: 8px 15px;
  transition: color 0.3s ease, background-color 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--neon-primary);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

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

.mobile-menu-overlay {
  display: none; /* Hidden on desktop */
}

/* Footer Styles */
.site-footer {
  background-color: #111;
  color: #ccc;
  padding: 40px 0 20px 0;
  font-size: 0.9em;
  border-top: 1px solid #333;
}

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

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

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

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

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

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

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

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

.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%); /* Subtle effect for icons */
  transition: filter 0.3s ease;
}

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

.game-providers-section, .social-media-section {
  margin-top: 30px;
  padding: 20px;
  background-color: #1a1a1a;
  border-top: 1px solid #222;
  border-bottom: 1px solid #222;
}

.game-providers-section h4, .social-media-section h4 {
  color: var(--primary-color);
  font-size: 1.1em;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  margin-top: 30px;
  border-top: 1px solid #222;
}

.footer-bottom .copyright {
  color: #999;
  font-size: 0.85em;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .main-nav .nav-container {
    gap: 15px;
  }
  .nav-link {
    padding: 6px 10px;
    font-size: 1em;
  }
}

@media (max-width: 768px) {
  body.no-scroll {
    overflow: hidden;
  }

  /* Adjust body padding for fixed header and mobile buttons */
  body {
    padding-top: 150px; /* Approximate height of header-top + mobile-nav-buttons */
  }

  .site-header {
    flex-direction: column;
    align-items: center;
    animation: none; /* Disable overall header animation on mobile for individual elements to shine */
    border-bottom: none;
  }

  .header-top {
    width: 100%;
    justify-content: space-between;
    padding: 10px 0;
    animation: theme-colors 4s ease-in-out infinite; /* Re-enable animation for header-top */
    border-bottom: 2px solid;
  }

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

  .logo {
    order: 2; /* Center logo */
    flex-grow: 1;
    text-align: center;
    font-size: 1.8em;
    margin: 0;
    filter: drop-shadow(0 0 3px var(--neon-primary));
  }

  .hamburger-menu {
    display: block;
    order: 1;
    margin-right: 0;
  }

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

  .mobile-nav-buttons {
    display: flex;
    width: 100%;
    justify-content: center;
    gap: 10px;
    padding: 10px 15px;
    background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    box-sizing: border-box;
  }

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

  .main-nav {
    display: none; /* Hidden by default on mobile */
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    height: 100%;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    background: linear-gradient(180deg, var(--dark-bg-3), var(--dark-bg-1));
    border-right: 2px solid;
    padding-top: 80px; /* Space for header-top */
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease-in-out;
    animation: theme-colors 4s ease-in-out infinite; /* Keep animation for menu border */
    z-index: 9999;
  }

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

  .main-nav .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 20px 15px;
    width: 100%;
    max-width: none; /* Important for mobile */
  }

  .nav-link {
    width: 100%;
    padding: 12px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1.05em;
  }

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

  .mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }

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

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

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

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

  .footer-logo {
    margin-left: auto;
    margin-right: auto;
  }

  .payment-methods, .game-providers-section, .social-media-section {
    padding: 15px;
  }
}