:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --register-color: #C30808;
  --login-color: #C30808;
  --background-color: #FFFFFF;
  --register-login-font-color: #FFFF00;

  /* Neon colors derived from primary/secondary for the theme */
  --neon-primary: #00FF00; /* Fluorescent green from primary */
  --neon-secondary: #00FFFF; /* Cyan for contrast */
  --neon-accent: #FF00FF;   /* Magenta for highlight */
  --neon-dark-bg-1: #0a0a0a;
  --neon-dark-bg-2: #1a1a2e;
  --neon-dark-bg-3: #16213e;

  /* Header offsets - calculated based on content */
  /* Marquee (45px) + Header Top (60px) + Main Nav (50px) = 155px */
  --header-offset: 155px; 
}

@media (max-width: 768px) {
  /* Marquee (30px) + Header Top (50px) + Mobile Nav Buttons (45px) = 125px */
  :root {
    --header-offset: 125px; 
  }
}

/* Animations for dynamic neon effects */
@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); }
  100% { filter: hue-rotate(360deg); }
}

@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%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@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 marquee-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.9; }
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@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; }
}

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

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: var(--background-color);
  padding-top: var(--header-offset); /* Ensure content is not hidden by fixed header */
  overflow-x: hidden; /* Prevent body horizontal scroll */
}

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

ul {
  list-style: none;
}

/* Marquee Section */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, var(--neon-dark-bg-1), var(--neon-dark-bg-2), var(--neon-dark-bg-3));
  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(255, 0, 255, 0.1);
  z-index: 1001;
  min-height: 45px; /* Desktop marquee height */
  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: 5px 20px;
}

.marquee-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px; /* Adjusted for desktop */
  height: 30px; /* Adjusted for desktop */
  z-index: 2;
  position: relative;
}

.marquee-icon-emoji {
  font-size: 20px; /* Adjusted for desktop */
  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));
}

.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);
}


/* Header Section */
.site-header {
  position: fixed;
  top: 45px; /* Marquee height */
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(135deg, var(--neon-dark-bg-1), var(--neon-dark-bg-2), var(--neon-dark-bg-3));
  color: var(--secondary-color);
}

.header-top {
  width: 100%;
  background: linear-gradient(135deg, var(--neon-dark-bg-1), var(--neon-dark-bg-2)); /* Slightly different gradient */
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  box-shadow: 
    0 0 10px var(--neon-accent), /* Different neon color for header-top */
    0 0 20px var(--neon-accent),
    0 0 30px var(--neon-accent),
    inset 0 0 20px rgba(255, 0, 255, 0.1);
  min-height: 60px; /* Desktop header top height */
  display: flex;
  align-items: center;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px; /* Padding for logo and buttons */
}

/* Logo - NO NEON EFFECTS */
.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--secondary-color); /* White for clear contrast */
  text-decoration: none;
  flex-shrink: 0;
  /* Ensure no neon effects */
  text-shadow: none;
  box-shadow: none;
  filter: none;
  transition: none;
}

.logo img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 40px; /* Desktop logo height */
}

.desktop-nav-buttons {
  display: flex; /* Always flex on desktop */
  gap: 10px;
  flex-shrink: 0;
}

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

.btn {
  position: relative;
  background: linear-gradient(135deg, var(--register-color), var(--login-color)); /* Using custom colors */
  padding: 12px 25px;
  color: var(--register-login-font-color); /* Custom font color */
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  text-shadow: 
    0 0 5px var(--register-login-font-color),
    0 0 10px var(--register-login-font-color);
  box-shadow: 
    0 0 10px var(--neon-primary),
    0 0 20px var(--neon-primary),
    0 0 30px var(--neon-primary);
  filter: drop-shadow(0 0 5px rgba(255, 255, 0, 0.5)); /* Yellow glow for buttons */
}

.btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 
    0 0 15px var(--neon-primary),
    0 0 30px var(--neon-primary),
    0 0 45px var(--neon-primary);
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1002; /* Above mobile menu overlay */
  position: relative;
}

.hamburger-menu span {
  display: block;
  width: 30px;
  height: 3px;
  background-color: var(--secondary-color);
  margin: 6px 0;
  transition: all 0.3s ease-in-out;
  text-shadow: 
    0 0 5px var(--neon-primary),
    0 0 10px var(--neon-primary);
}

/* Main Navigation */
.main-nav {
  width: 100%;
  background: linear-gradient(135deg, var(--neon-dark-bg-2), var(--neon-dark-bg-3)); /* Different dark gradient */
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: alternate-colors 4s ease-in-out infinite; /* Dynamic border color, alternating */
  box-shadow: 
    0 0 10px var(--neon-secondary), /* Different neon color for main-nav */
    0 0 20px var(--neon-secondary),
    0 0 30px var(--neon-secondary),
    inset 0 0 20px rgba(0, 255, 255, 0.1);
  min-height: 50px; /* Desktop main nav height */
  display: flex; /* Always flex on desktop */
  align-items: center;
  position: static; /* Default on desktop */
}

.main-nav .nav-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  flex-wrap: wrap; /* Allow wrapping if too many links */
}

.nav-link {
  color: var(--secondary-color);
  padding: 10px 15px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap; /* Prevent wrapping for individual links */
}

.nav-link:hover,
.nav-link.active {
  color: var(--neon-primary);
  text-shadow: 
    0 0 5px var(--neon-primary),
    0 0 10px var(--neon-primary);
}

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

/* Footer Section */
.site-footer {
  background-color: #1a1a1a; /* Dark background for footer, no neon */
  color: #cccccc;
  padding: 40px 0 20px;
  font-size: 14px;
}

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

.footer-top-section .footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid #333;
}

.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color); /* Use primary brand color for footer logo */
  margin-bottom: 15px;
  text-decoration: none;
}

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

.footer-col h4 {
  font-size: 16px;
  color: var(--secondary-color); /* White for headings */
  margin-bottom: 15px;
  font-weight: bold;
}

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

.footer-nav-links a {
  color: #aaaaaa;
  transition: color 0.3s ease;
}

.footer-nav-links a:hover {
  color: var(--primary-color);
}

.payment-icons,
.game-providers-icons,
.social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px; /* Consistent gap for icons */
  width: 100%;
}

.payment-icons img,
.game-providers-icons img,
.social-media-icons img {
  max-height: 50px; /* Max height for icons */
  height: auto;
  width: auto;
  object-fit: contain;
}

.footer-middle-section {
  padding: 30px 0;
  border-bottom: 1px solid #333;
}

.game-providers-section,
.social-media-section {
  margin-bottom: 20px; /* Space between game providers and social media */
}

.game-providers-section:last-child,
.social-media-section:last-child {
  margin-bottom: 0;
}

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

.footer-bottom-section .footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.copyright {
  color: #aaaaaa;
  margin-bottom: 10px;
}

.footer-action-links {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.footer-action-links a {
  color: var(--primary-color);
  font-weight: bold;
  transition: color 0.3s ease;
}

.footer-action-links a:hover {
  color: var(--secondary-color);
}


/* Mobile Styles */
@media (max-width: 768px) {
  /* Prevent horizontal scroll for content */
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }

  /* Marquee Mobile */
  .marquee-section {
    min-height: 30px; /* Mobile marquee height */
  }
  .marquee-container {
    gap: 10px;
    padding: 0px 5px;
  }
  .marquee-icon {
    width: 20px;
    height: 20px;
  }
  .marquee-icon-emoji {
    font-size: 14px;
  }
  .marquee-text {
    font-size: 12px;
  }
  .marquee-separator {
    font-size: 12px;
    margin: 0 8px;
  }
  .marquee-content {
    gap: 20px;
    animation: marquee-scroll 25s linear infinite;
  }

  /* Header Mobile */
  .site-header {
    top: 30px; /* Mobile marquee height */
  }

  .header-top {
    min-height: 50px; /* Mobile header top height */
    padding: 5px 0;
  }

  .header-container {
    padding: 0 15px; /* Smaller padding for mobile */
    justify-content: space-between; /* Hamburger left, Logo center */
  }

  /* Hamburger menu */
  .hamburger-menu {
    display: block;
    order: 0; /* Left side */
    flex-shrink: 0;
    width: 40px; /* Ensure clickable area */
    height: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 1px solid;
    animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
    box-shadow: 
      0 0 5px var(--neon-primary),
      0 0 10px var(--neon-primary);
  }

  .hamburger-menu span {
    background-color: var(--neon-primary); /* Neon color for lines */
    text-shadow: 
      0 0 3px var(--neon-primary),
      0 0 6px var(--neon-primary);
  }

  .hamburger-menu.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .hamburger-menu.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger-menu.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  /* Logo Centering for Mobile */
  .logo {
    flex: 1 !important; /* Take remaining space */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 20px; /* Smaller font for mobile logo */
  }
  .logo img {
    max-height: 30px !important; /* Smaller logo for mobile */
  }

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

  /* Mobile Nav Buttons - Always visible below header-top */
  .mobile-nav-buttons {
    display: flex !important; /* Force display on mobile */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 15px; /* Padding for the button container */
    gap: 10px; /* Space between buttons */
    justify-content: center;
    flex-wrap: nowrap; /* Ensure buttons stay in one line */
    background: linear-gradient(135deg, var(--neon-dark-bg-3), var(--neon-dark-bg-1)); /* Dark background for this section */
    border-bottom: 1px solid rgba(255,255,255,0.1);
    box-shadow: 
      0 0 5px var(--neon-secondary),
      0 0 10px var(--neon-secondary);
  }

  .mobile-nav-buttons .btn {
    flex: 1; /* Distribute space evenly */
    min-width: 0; /* Allow shrinking */
    max-width: calc(50% - 5px); /* Max width for each button, considering gap */
    padding: 8px 12px; /* Reduced padding */
    font-size: 13px; /* Reduced font size */
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word;
    overflow-wrap: break-word;
    text-align: center;
  }

  /* Main Navigation Mobile */
  .main-nav {
    display: none; /* Hidden by default */
    position: fixed;
    top: var(--header-offset); /* Below header and mobile buttons */
    left: 0;
    width: 80%; /* Sidebar width */
    max-width: 300px;
    height: calc(100% - var(--header-offset)); /* Full height below header */
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    transform: translateX(-100%); /* Off-screen initially */
    transition: transform 0.3s ease-in-out;
    z-index: 1000; /* Above overlay, below hamburger */
    overflow-y: auto; /* Enable scrolling for long menus */
    background: linear-gradient(135deg, var(--neon-dark-bg-1), var(--neon-dark-bg-3));
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    box-shadow: 
      0 0 15px var(--neon-primary),
      0 0 30px var(--neon-primary);
  }

  .main-nav.active {
    display: flex; /* Show when active */
    transform: translateX(0); /* Slide into view */
  }
  
  .main-nav .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
  }

  .nav-link {
    width: 100%;
    padding: 12px 0;
    font-size: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .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; /* Below menu, above content */
    transition: opacity 0.3s ease-in-out;
    opacity: 0;
  }

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

  /* Footer Mobile */
  .site-footer .footer-top-section .footer-container {
    grid-template-columns: 1fr; /* Single column layout */
    gap: 20px;
  }

  .footer-bottom-section .footer-container {
    flex-direction: column;
    text-align: center;
  }
}
/* 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;
  }
}