: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, vibrant for effect */
  --neon-primary: #00ff00; /* Vibrant green for neon */
  --neon-secondary: #00ffff; /* Cyan for contrast */
  --neon-accent: #ff00ff; /* Magenta for accent */
  --neon-dark-bg: #0a0a0a; /* Dark background */
  --neon-dark-bg-light: #1a1a2e; /* Slightly lighter dark */
  --neon-dark-bg-dark: #16213e; /* Slightly darker dark */

  --marquee-height-desktop: 45px;
  --header-top-actual-height-desktop: 60px;   /* min-height 40px + 20px padding */
  --main-nav-actual-height-desktop: 50px;     /* min-height 30px + 20px padding */
  --header-offset: calc(var(--marquee-height-desktop) + var(--header-top-actual-height-desktop) + var(--main-nav-actual-height-desktop)); /* 45 + 60 + 50 = 155px */

  --marquee-height-mobile: 30px;
  --header-top-actual-height-mobile: 50px;    /* min-height 40px + 10px padding */
  --mobile-nav-buttons-actual-height: 40px; /* min-height 20px + 20px padding */
  --header-offset-mobile: calc(var(--marquee-height-mobile) + var(--header-top-actual-height-mobile) + var(--mobile-nav-buttons-actual-height)); /* 30 + 50 + 40 = 120px */
}

/* Base styles */
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding-top: var(--header-offset); /* Apply desktop offset by default */
  background-color: var(--background-color);
  color: #333;
  line-height: 1.6;
  overflow-x: hidden; /* Prevent horizontal scroll for body */
}

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

/* Animations for 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); 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 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 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%); }
}


/* Marquee Section */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--marquee-height-desktop);
  background: linear-gradient(135deg, var(--neon-dark-bg), var(--neon-dark-bg-light), var(--neon-dark-bg-dark));
  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, 0, 0.1); /* Using a green shade for inner shadow */
  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;
  height: 100%;
}
.marquee-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  z-index: 2;
  position: relative;
}
.marquee-icon-emoji {
  font-size: 20px;
  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;
  height: 100%;
  display: flex;
  align-items: center;
}
.marquee-content {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  animation: marquee-scroll 30s linear infinite;
  gap: 30px;
  height: 100%;
}
.marquee-text {
  font-size: 15px;
  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: 15px;
  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 (Desktop First) */
.site-header {
  position: fixed;
  top: var(--marquee-height-desktop); /* Position below marquee */
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--neon-dark-bg); /* Default dark background */
}

/* Header Top Area */
.header-top {
  background: linear-gradient(135deg, var(--neon-dark-bg), var(--neon-dark-bg-light), var(--neon-dark-bg-dark));
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  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, 0, 0.1); /* Using a green shade for inner shadow */
  width: 100%;
  min-height: 40px; /* Content area */
  padding: 10px 0; /* Total 20px vertical padding. Total height: 40+20=60px */
  display: flex;
  align-items: center;
}
.header-top .header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}
.header-top .hamburger-menu {
  display: none; /* Hidden on desktop */
}

/* Logo (Desktop) - No neon effects */
.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--secondary-color); /* White for contrast */
  text-decoration: none;
  padding: 5px 0;
  display: block;
  /* No text-shadow, box-shadow, or neon animations for logo */
}
.logo img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 50px; /* Desktop logo height */
  /* No neon effects for image logo */
}

/* Desktop Nav Buttons */
.desktop-nav-buttons {
  display: flex; /* Always visible on desktop */
  gap: 12px;
  align-items: center;
}

/* Mobile Nav Buttons (Hidden on Desktop) */
.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
}

/* Main Navigation (Desktop First) */
.main-nav {
  background: linear-gradient(135deg, var(--neon-dark-bg-light), var(--neon-dark-bg-dark), #0f3460);
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: alternate-colors 4s ease-in-out infinite; /* Different dynamic border color for contrast */
  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(0, 255, 255, 0.1); /* Cyan inner shadow */
  width: 100%;
  min-height: 30px; /* Content area */
  padding: 10px 0; /* Total 20px vertical padding. Total height: 30+20=50px */
  display: flex; /* Always visible on desktop */
  align-items: center;
}
.main-nav .nav-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  width: 100%;
  gap: 25px;
}
.main-nav .nav-link {
  color: var(--secondary-color); /* White for regular links */
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  padding: 8px 15px;
  transition: color 0.3s ease, background-color 0.3s ease, text-shadow 0.3s ease;
  border-radius: 3px;
  /* No neon effects for regular nav links */
}
.main-nav .nav-link:hover,
.main-nav .nav-link.active {
  color: var(--neon-primary); /* Highlight with a neon color on hover/active */
  background-color: rgba(0, 255, 0, 0.1); /* Slight background glow */
  text-shadow: 0 0 5px var(--neon-primary);
}

/* Buttons */
.btn {
  position: relative;
  background: linear-gradient(135deg, var(--register-color), var(--login-color)); /* Use custom colors */
  padding: 12px 20px;
  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;
  font-size: 16px;
  cursor: pointer;
  text-align: center;
  transition: all 0.3s ease;
  text-shadow:
    0 0 5px var(--register-login-font-color),
    0 0 10px var(--register-login-font-color); /* Initial text glow */
  box-shadow:
    0 0 10px var(--neon-primary),
    0 0 20px var(--neon-primary),
    inset 0 0 10px rgba(0, 255, 0, 0.3);
}
.btn:hover {
  animation-duration: 2s; /* Faster color change on hover */
  transform: translateY(-2px);
  box-shadow:
    0 0 15px var(--neon-primary),
    0 0 30px var(--neon-primary),
    0 0 45px var(--neon-primary),
    inset 0 0 15px rgba(0, 255, 0, 0.5); /* Enhanced glow on hover */
  text-shadow:
    0 0 8px var(--register-login-font-color),
    0 0 15px var(--register-login-font-color),
    0 0 25px var(--register-login-font-color);
}


/* Footer Section */
.site-footer {
  background-color: #1a1a1a; /* Dark footer background */
  color: #cccccc;
  padding: 40px 0 20px;
  font-size: 14px;
}
.footer-top {
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.site-footer .footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.footer-col h4 {
  color: var(--secondary-color); /* White for footer titles */
  font-size: 16px;
  margin-bottom: 15px;
  text-transform: uppercase;
}
.footer-logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color); /* Primary color for footer logo */
  text-decoration: none;
  margin-bottom: 15px;
  display: block;
}
.footer-description {
  line-height: 1.8;
  word-wrap: break-word; /* Ensure full text display */
  overflow-wrap: break-word;
  color: #aaaaaa;
}
.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav li {
  margin-bottom: 8px;
}
.footer-nav a {
  color: #aaaaaa;
  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: 40px; /* Adjusted height for payment icons */
  height: auto;
  width: auto;
  filter: grayscale(10%); /* Slight grayscale for consistency */
}

.game-providers-section, .social-media-section {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.game-providers-section:last-of-type, .social-media-section:last-of-type {
  border-bottom: none;
}
.game-providers-section h4, .social-media-section h4 {
  color: var(--secondary-color);
  font-size: 16px;
  margin-bottom: 15px;
  text-transform: uppercase;
}
.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: 40px; /* Consistent height for these icons */
  height: auto;
  width: auto;
  filter: grayscale(10%);
}

.footer-bottom {
  padding-top: 20px;
  text-align: center;
}
.footer-bottom .copyright {
  color: #888888;
  font-size: 13px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  :root {
    --header-offset: var(--header-offset-mobile); /* 120px */
  }

  body {
    padding-top: var(--header-offset);
    overflow-x: hidden;
  }
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }

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


  /* Header Mobile */
  .site-header {
    top: var(--marquee-height-mobile); /* Position below mobile marquee */
  }

  .header-top {
    min-height: 40px; /* Content area */
    padding: 5px 0; /* Total 10px vertical padding. Total height: 40+10=50px */
  }
  .header-top .header-container {
    padding: 0 15px;
    position: relative;
  }
  .header-top .hamburger-menu {
    display: flex; /* Show hamburger on mobile */
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    cursor: pointer;
    z-index: 1001;
    position: relative;
    border: 1px solid transparent;
    border-radius: 3px;
    animation: alternate-colors 2s ease-in-out infinite alternate;
    box-shadow: 0 0 5px var(--neon-primary);
  }
  .header-top .hamburger-menu .bar {
    width: 100%;
    height: 3px;
    background-color: var(--neon-primary);
    border-radius: 2px;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 0 3px var(--neon-primary);
  }
  .header-top .hamburger-menu.active .bar:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
  }
  .header-top .hamburger-menu.active .bar:nth-child(2) {
    opacity: 0;
  }
  .header-top .hamburger-menu.active .bar:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
  }

  .header-top .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 24px;
    padding: 0;
  }
  .header-top .logo img {
    max-height: 40px;
  }

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

  /* Mobile Nav Buttons */
  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    justify-content: center;
    align-items: center;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    min-height: 20px; /* Content area */
    padding: 10px 15px; /* Total 20px vertical padding. Total height: 20+20=40px */
    background: linear-gradient(135deg, var(--neon-dark-bg-light), var(--neon-dark-bg-dark));
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    box-shadow:
      0 0 8px var(--neon-accent),
      0 0 15px var(--neon-accent),
      inset 0 0 10px rgba(255, 0, 255, 0.1); /* Magenta inner shadow */
  }
  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* For two buttons with 10px gap */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    padding: 8px 12px; /* Smaller padding for mobile buttons */
    font-size: 13px; /* Smaller font for mobile buttons */
  }

  /* Main Navigation (Mobile) */
  .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Position below full header */
    left: 0;
    width: 80%; /* Menu width */
    max-width: 300px;
    height: calc(100% - var(--header-offset)); /* Full height below header */
    background: linear-gradient(180deg, var(--neon-dark-bg-dark), var(--neon-dark-bg));
    border-right: 2px solid;
    animation: rainbow-border 5s linear infinite; /* Different neon effect */
    box-shadow: 0 0 20px var(--neon-accent);
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease-in-out;
    z-index: 1000; /* Above overlay */
    overflow-y: auto; /* Scrollable if many links */
    padding: 20px 0;
  }
  .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: 15px;
    padding: 0 20px;
    width: 100%;
    max-width: none;
  }
  .main-nav .nav-link {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 15px;
  }
  .main-nav .nav-link:last-child {
    border-bottom: none;
  }

  /* Mobile Menu Overlay */
  .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 */
  }
  .mobile-menu-overlay.active {
    display: block;
  }

  /* Footer Mobile */
  .site-footer .footer-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-col {
    text-align: center;
  }
  .footer-col.footer-about {
    order: -1;
  }
  .footer-logo {
    margin-bottom: 10px;
  }
  .footer-col h4 {
    margin-bottom: 10px;
  }
  .footer-nav li {
    margin-bottom: 5px;
  }
  .payment-methods .payment-icons,
  .game-providers-icons,
  .social-media-icons {
    justify-content: center;
  }
  .game-providers-section, .social-media-section {
    padding: 15px 0;
  }
  .footer-bottom {
    padding-top: 15px;
  }
}
/* 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;
  }
}