:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --neon-primary: #00FFFF; /* Cyan, complementary to primary blue */
  --neon-secondary: #FF00FF; /* Magenta */
  --neon-accent: #FFFF00; /* Yellow */
  --header-offset: 155px; /* Desktop: Marquee(45px) + HeaderTop(60px) + MainNav(50px) */
}
@media (max-width: 768px) {
  :root {
    --header-offset: 120px; /* Mobile: Marquee(30px) + HeaderTop(50px) + MobileNavButtons(40px) */
  }
}

/* Base animations for neon effects */
@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 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 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 led-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

/* Marquee Section */
.marquee-section {
  position: fixed; top: 0; left: 0; width: 100%; height: 45px; /* Desktop height */
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  color: #ffffff; overflow: hidden;
  border-bottom: 2px solid; animation: theme-colors 4s ease-in-out infinite;
  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(0, 255, 255, 0.1);
  z-index: 1001;
  display: flex; align-items: center;
}
.marquee-container {
  width: 100%; max-width: 100%; margin: 0 auto; overflow: hidden; display: flex; align-items: center; gap: 15px; padding: 0 20px;
}
.marquee-icon { flex-shrink: 0; display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; z-index: 2; position: relative; }
.marquee-icon-emoji {
  font-size: 24px; display: inline-block; animation: marquee-pulse 2s ease-in-out infinite, 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);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}
@keyframes marquee-pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.15); opacity: 0.9; } }
.marquee-wrapper { flex: 1; overflow: hidden; position: relative; }
.marquee-content { display: inline-flex; align-items: center; white-space: nowrap; animation: marquee-scroll 30s linear infinite; gap: 30px; }
.marquee-text {
  font-size: 16px; font-weight: 600; color: #ffffff; text-decoration: none;
  text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), 0 0 15px var(--neon-primary);
  line-height: 1.5; display: inline-block; vertical-align: middle; animation: text-glow-flow 3s ease-in-out infinite alternate;
  cursor: pointer; transition: all 0.3s ease;
}
.marquee-text:hover {
  text-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), 0 0 30px var(--neon-primary), 0 0 40px var(--neon-primary);
  transform: scale(1.05); color: #ffffff;
}
.marquee-separator {
  font-size: 16px; color: rgba(255, 255, 255, 0.6); margin: 0 15px;
  text-shadow: 0 0 3px var(--neon-primary), 0 0 6px var(--neon-primary);
}
@keyframes marquee-scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Header Section */
.site-header {
  position: fixed; top: 45px; /* Marquee height */ left: 0; width: 100%; z-index: 1000;
  background: transparent; /* Background handled by header-top and main-nav */
}
.header-top {
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  border-bottom: 2px solid; animation: theme-colors 4s ease-in-out infinite;
  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(0, 255, 255, 0.1);
  width: 100%; min-height: 60px; /* Desktop height */ display: flex; align-items: center;
}
.header-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 20px; width: 100%; }
.logo {
  font-size: 28px; font-weight: bold; color: #FFFFFF; text-decoration: none;
  /* NO neon effects on LOGO */
  display: block;
}
.logo img { display: block; max-height: 50px; height: auto; width: auto; }

.desktop-nav-buttons { display: flex; gap: 10px; }
.mobile-nav-buttons { display: none; } /* Hidden on desktop */

.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  padding: 12px 25px;
  color: #ffffff;
  font-weight: bold;
  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;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}
.btn:hover { animation-duration: 2s; transform: translateY(-2px); }

.main-nav {
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
  border-top: 2px solid; border-bottom: 2px solid; animation: alternate-colors 4s ease-in-out infinite;
  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(255, 0, 255, 0.1);
  width: 100%; min-height: 50px; /* Desktop height */ display: flex; align-items: center;
}
.nav-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: center; align-items: center; padding: 10px 20px; width: 100%; }
.nav-link {
  color: #ffffff; text-decoration: none; font-weight: 500; padding: 8px 15px;
  transition: color 0.3s ease, background-color 0.3s ease;
  white-space: nowrap;
}
.nav-link:hover { color: var(--primary-color); background-color: rgba(255, 255, 255, 0.1); border-radius: 3px; }

.hamburger-menu {
  display: none; /* Hidden on desktop */
  width: 30px; height: 24px; position: relative; cursor: pointer; z-index: 1002;
  background: transparent; border: none; padding: 0;
  flex-shrink: 0; margin-right: 15px;
  animation: theme-colors 4s ease-in-out infinite; /* Neon glow for hamburger */
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
  border-radius: 3px;
}
.hamburger-menu span {
  display: block; width: 100%; height: 3px; background-color: #ffffff;
  position: absolute; left: 0; transition: all 0.3s ease;
}
.hamburger-menu span:nth-child(1) { top: 0; }
.hamburger-menu span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger-menu span:nth-child(3) { bottom: 0; }
.hamburger-menu.active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

.mobile-menu-overlay {
  display: none; /* Hidden by default */
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background-color: rgba(0, 0, 0, 0.7); z-index: 999;
}

/* Footer Section */
.site-footer {
  background-color: #1a1a2e; /* Dark background, no neon */
  color: #ffffff; padding: 40px 0 20px; font-size: 14px;
}
.footer-top-columns { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.footer-col h4 {
  color: var(--primary-color); font-size: 18px; margin-bottom: 15px; position: relative;
}
.footer-col h4::after { content: ''; display: block; width: 40px; height: 2px; background-color: var(--primary-color); margin-top: 5px; }
.footer-logo { font-size: 24px; font-weight: bold; color: #FFFFFF; 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-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 8px; }
.footer-nav a { color: #ffffff; text-decoration: none; transition: color 0.3s ease; }
.footer-nav a:hover { color: var(--primary-color); }

.payment-methods .payment-icons { display: flex; flex-wrap: wrap; flex-direction: row; align-items: flex-start; gap: 5px; }
.payment-methods .payment-icons img { max-height: 50px; height: auto; width: auto; }

.footer-middle-sections { max-width: 1200px; margin: 30px auto; padding: 0 20px; }
.game-providers-section, .social-media-section { margin-bottom: 20px; }
.game-providers-section h4, .social-media-section h4 {
  color: var(--primary-color); font-size: 18px; margin-bottom: 15px; position: relative;
}
.game-providers-section h4::after, .social-media-section h4::after { content: ''; display: block; width: 40px; height: 2px; background-color: var(--primary-color); margin-top: 5px; }

.game-providers-icons, .social-media-icons { display: flex; flex-wrap: wrap; flex-direction: row; align-items: flex-start; gap: 8px; width: 100%; }
.game-providers-icons img, .social-media-icons img { max-height: 50px; height: auto; width: auto; }

.footer-bottom {
  max-width: 1200px; margin: 0 auto; padding: 20px; border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center; color: rgba(255, 255, 255, 0.7);
}

/* Mobile Responsive styles */
@media (max-width: 768px) {
  .marquee-section { height: 30px; } /* Mobile height */
  .marquee-container { gap: 10px; padding: 0 10px; }
  .marquee-icon { width: 25px; height: 25px; }
  .marquee-icon-emoji { font-size: 16px; }
  .marquee-text { font-size: 14px; }
  .marquee-separator { font-size: 14px; margin: 0 8px; }
  .marquee-content { animation: marquee-scroll 25s linear infinite; gap: 20px; }

  .site-header { top: 30px; /* Mobile marquee height */ }
  .header-top { min-height: 50px; /* Mobile height */ }
  .header-container { padding: 0 15px; }
  .hamburger-menu { display: block; }
  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 22px;
  }
  .logo img { max-height: 40px !important; }

  .desktop-nav-buttons { display: none; }
  .mobile-nav-buttons {
    display: flex !important; /* Always visible on mobile */
    width: 100%; max-width: 100%; box-sizing: border-box;
    padding: 10px 15px; /* Adjust padding */
    gap: 10px; justify-content: center; flex-wrap: nowrap;
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
    border-bottom: 2px solid; animation: theme-colors 4s ease-in-out infinite;
    box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), inset 0 0 10px rgba(0, 255, 255, 0.1);
    min-height: 40px; /* Mobile button container height */
  }
  .mobile-nav-buttons .btn {
    flex: 1; min-width: 0; max-width: calc(50% - 5px); /* Two buttons, 50% width minus gap */
    box-sizing: border-box;
    padding: 8px 12px; /* Reduced padding */
    font-size: 13px; /* Reduced font size */
    text-align: center;
    white-space: normal; /* Allow text wrap */
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .main-nav {
    display: none; /* Hidden by default */
    flex-direction: column;
    position: fixed; top: var(--header-offset); left: 0; width: 80%; height: calc(100% - var(--header-offset));
    background-color: #1a1a2e; /* Dark background for mobile menu */
    overflow-y: auto;
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease-out;
    z-index: 1000; /* Above overlay */
    border-right: 2px solid; animation: alternate-colors 4s ease-in-out infinite;
    box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary), inset 0 0 20px rgba(255, 0, 255, 0.1);
  }
  .main-nav.active { display: flex; transform: translateX(0); } /* Shown when active */
  .nav-container { flex-direction: column; align-items: flex-start; padding: 20px; width: 100%; max-width: none; }
  .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-menu-overlay.active { display: block; }

  .footer-top-columns { grid-template-columns: 1fr; } /* Single column for mobile */
  .footer-col { margin-bottom: 20px; }
  .footer-col:last-child { margin-bottom: 0; }

  /* Mobile overflow protection */
  .page-content img { max-width: 100% !important; height: auto !important; display: block; }
  .page-content { overflow-x: hidden; max-width: 100%; }
  body { overflow-x: hidden; }
}
/* 移动端内容区防溢出（系统追加，请勿删除） */
@media (max-width: 768px) {
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}