:root {
  --primary-color: #017439; /* Deep green, from user spec */
  --secondary-color: #FFFFFF; /* White, from user spec */
  --register-btn-color: #C30808; /* Red, from user spec */
  --login-btn-color: #C30808; /* Red, from user spec */
  --background-color: #FFFFFF; /* White, from user spec */
  --reg-log-font-color: #FFFF00; /* Yellow, from user spec */

  /* Base dark background colors for neon style */
  --neon-dark-bg-1: #0a0a0a;
  --neon-dark-bg-2: #1a1a2e;
  --neon-dark-bg-3: #16213e;

  /* Vibrant neon glow colors for animations (adapting to primary/secondary if possible, but prioritizing vibrancy) */
  --neon-glow-primary-dynamic: #00FFFF; /* Cyan */
  --neon-glow-secondary-dynamic: #FF00FF; /* Magenta */
  --neon-glow-accent-dynamic: #FFFF00; /* Yellow */

  /* Header offset values */
  --header-offset: 155px; /* Desktop: Marquee (45px) + Header Top (60px) + Main Nav (50px) */
}

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

/* General Body and Container Styles */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: var(--background-color);
  padding-top: var(--header-offset); /* Fixed header offset */
  overflow-x: hidden; /* Prevent horizontal scroll on desktop too */
}

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

/* Keyframes for dynamic neon effects */
@keyframes theme-colors {
  0%, 100% {
    border-color: var(--neon-glow-primary-dynamic);
    box-shadow: 
      0 0 10px var(--neon-glow-primary-dynamic),
      0 0 20px var(--neon-glow-primary-dynamic);
  }
  33% {
    border-color: var(--neon-glow-secondary-dynamic);
    box-shadow: 
      0 0 10px var(--neon-glow-secondary-dynamic),
      0 0 20px var(--neon-glow-secondary-dynamic);
  }
  66% {
    border-color: var(--neon-glow-accent-dynamic);
    box-shadow: 
      0 0 10px var(--neon-glow-accent-dynamic),
      0 0 20px var(--neon-glow-accent-dynamic);
  }
}

@keyframes text-glow-flow {
  0% {
    text-shadow: 
      0 0 5px var(--neon-glow-primary-dynamic),
      0 0 10px var(--neon-glow-primary-dynamic),
      0 0 15px var(--neon-glow-primary-dynamic);
    color: #ffffff;
  }
  50% {
    text-shadow: 
      0 0 5px var(--neon-glow-secondary-dynamic),
      0 0 10px var(--neon-glow-secondary-dynamic),
      0 0 15px var(--neon-glow-secondary-dynamic);
    color: #ffffff;
  }
  100% {
    text-shadow: 
      0 0 5px var(--neon-glow-accent-dynamic),
      0 0 10px var(--neon-glow-accent-dynamic),
      0 0 15px var(--neon-glow-accent-dynamic);
    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: 45px; /* Desktop height */
  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-glow-primary-dynamic),
    0 0 20px var(--neon-glow-primary-dynamic),
    0 0 30px var(--neon-glow-primary-dynamic),
    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-glow-primary-dynamic),
    0 0 10px var(--neon-glow-primary-dynamic),
    0 0 15px var(--neon-glow-primary-dynamic);
  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-glow-primary-dynamic),
    0 0 10px var(--neon-glow-primary-dynamic),
    0 0 15px var(--neon-glow-primary-dynamic);
  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-glow-primary-dynamic),
    0 0 20px var(--neon-glow-primary-dynamic),
    0 0 30px var(--neon-glow-primary-dynamic),
    0 0 40px var(--neon-glow-primary-dynamic);
  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-glow-primary-dynamic),
    0 0 6px var(--neon-glow-primary-dynamic);
}

/* Header Section */
.site-header {
  position: fixed;
  top: 45px; /* Below desktop marquee */
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, var(--neon-dark-bg-1), var(--neon-dark-bg-2), var(--neon-dark-bg-3));
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
.header-top {
  display: flex;
  align-items: center;
  min-height: 60px; /* Desktop height */
  background: linear-gradient(135deg, var(--neon-dark-bg-1), var(--neon-dark-bg-2), var(--neon-dark-bg-3));
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  box-shadow: 
    0 0 10px var(--neon-glow-accent-dynamic),
    0 0 20px var(--neon-glow-accent-dynamic),
    0 0 30px var(--neon-glow-accent-dynamic),
    inset 0 0 20px rgba(255, 255, 0, 0.1);
}
.header-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}
.logo {
  color: var(--secondary-color); /* Regular color, no neon glow */
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  display: block;
  transition: color 0.3s ease;
}
.logo:hover {
  color: var(--primary-color);
}
.desktop-nav-buttons {
  display: flex;
  gap: 10px;
}
.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
}
.main-nav {
  display: flex;
  min-height: 50px; /* Desktop height */
  background: linear-gradient(135deg, var(--neon-dark-bg-2), var(--neon-dark-bg-3), var(--neon-dark-bg-1));
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite reverse; /* Different animation for contrast */
  box-shadow: 
    0 0 10px var(--neon-glow-secondary-dynamic),
    0 0 20px var(--neon-glow-secondary-dynamic),
    0 0 30px var(--neon-glow-secondary-dynamic),
    inset 0 0 20px rgba(255, 0, 255, 0.1);
}
.nav-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
}
.nav-link {
  color: var(--secondary-color); /* Regular color, no neon glow */
  text-decoration: none;
  padding: 15px 20px;
  font-weight: 500;
  transition: color 0.3s ease, background-color 0.3s ease;
}
.nav-link:hover {
  color: var(--neon-glow-primary-dynamic);
  background-color: rgba(255,255,255,0.1);
}
.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1002; /* Above logo on mobile */
}
.hamburger-menu span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--neon-glow-primary-dynamic);
  margin-bottom: 5px;
  position: relative;
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out, background-color 0.3s ease-in-out;
  box-shadow: 0 0 5px var(--neon-glow-primary-dynamic); /* Neon glow */
}
.hamburger-menu.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}
.hamburger-menu.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-glow-primary-dynamic), var(--neon-glow-secondary-dynamic));
  padding: 12px 25px; 
  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-glow-primary-dynamic);
  transition: all 0.3s ease;
  font-weight: 600;
  white-space: nowrap; /* Prevent wrapping on desktop */
  cursor: pointer;
}
.btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px);
  box-shadow: 
    0 0 15px var(--neon-glow-primary-dynamic),
    0 0 30px var(--neon-glow-primary-dynamic),
    0 0 45px var(--neon-glow-primary-dynamic),
    inset 0 0 15px rgba(0, 255, 255, 0.5);
}

/* Footer Section */
.site-footer {
  background-color: #222; /* Dark background, not neon */
  color: #ccc;
  padding: 40px 0 20px;
  font-size: 14px;
}
.footer-top {
  padding-bottom: 30px;
  border-bottom: 1px solid #333;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 15px;
}
.footer-logo {
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  text-decoration: none;
  margin-bottom: 10px;
  display: inline-block;
}
.footer-description {
  line-height: 1.6;
  word-wrap: break-word; /* Ensure full display */
  overflow-wrap: break-word;
}
.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav-list li a {
  color: #ccc;
  text-decoration: none;
  padding: 5px 0;
  display: block;
  transition: color 0.3s ease;
}
.footer-nav-list li a:hover {
  color: var(--primary-color);
}
.payment-methods .payment-icons,
.game-providers-section .game-providers-icons,
.social-media-section .social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px; /* Consistent gap for all icon sections */
  width: 100%;
}
.payment-methods .payment-icons img,
.game-providers-section .game-providers-icons img,
.social-media-section .social-media-icons img {
  max-height: 50px;
  height: auto;
  width: auto;
  object-fit: contain;
}
.game-providers-section, .social-media-section {
  padding: 20px 0;
  border-bottom: 1px solid #333;
}
.game-providers-section:last-of-type, .social-media-section:last-of-type {
  border-bottom: none; /* Remove border for the last section before footer-bottom */
}
.footer-bottom {
  padding-top: 20px;
  text-align: center;
}
.footer-bottom .footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap; /* Allow wrapping on smaller screens */
}
.copyright {
  margin: 0;
  flex-shrink: 0;
}
.footer-legal-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 15px; /* Spacing between legal links */
  justify-content: center;
}
.footer-legal-nav li a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-legal-nav li a:hover {
  color: var(--primary-color);
}

/* Responsive Styles for Mobile */
@media (max-width: 768px) {
  .marquee-section {
    height: 30px; /* Mobile height */
    padding: 0px 2px;
  }
  .marquee-container {
    gap: 10px !important;
    padding: 0px 5px;
  }
  .marquee-icon {
    width: 25px !important;
    height: 25px !important;
  }
  .marquee-icon-emoji {
    font-size: 16px !important;
  }
  .marquee-text {
    font-size: 13px !important;
  }
  .marquee-separator {
    font-size: 13px !important;
    margin: 0 8px !important;
  }
  .marquee-content {
    gap: 15px;
    animation: marquee-scroll 20s linear infinite; /* Faster scroll for mobile */
  }

  .site-header {
    top: 30px; /* Below mobile marquee */
  }
  .header-top {
    min-height: 50px; /* Mobile height */
  }
  .header-container {
    padding: 0 15px;
    justify-content: flex-start;
  }
  .hamburger-menu {
    display: block;
    order: 0;
    margin-right: 15px;
  }
  .logo {
    order: 1;
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 20px;
    text-align: center; /* For text logo content */
  }
  .desktop-nav-buttons {
    display: none;
  }
  .mobile-nav-buttons {
    display: flex !important;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 8px 15px; /* Padding for the container */
    gap: 10px;
    flex-wrap: nowrap; /* Ensure buttons stay in one row */
    min-height: 45px; /* Mobile buttons height */
    background: linear-gradient(135deg, var(--neon-dark-bg-1), var(--neon-dark-bg-2)); /* Dark background for button row */
    border-bottom: 1px solid;
    animation: theme-colors 4s ease-in-out infinite alternate;
    box-shadow: 
      0 0 5px var(--neon-glow-primary-dynamic),
      0 0 10px var(--neon-glow-primary-dynamic);
  }
  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Account for gap */
    padding: 8px 12px; /* Reduced padding */
    font-size: 13px; /* Reduced font size */
    text-align: center;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word;
    overflow-wrap: break-word;
  }
  .main-nav {
    display: none; /* Hidden by default on mobile */
    position: fixed;
    top: var(--header-offset); /* Below header and mobile buttons */
    left: 0;
    width: 250px; /* Sidebar width */
    height: calc(100vh - var(--header-offset)); /* Full height below header */
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 0;
    background: linear-gradient(180deg, var(--neon-dark-bg-1), var(--neon-dark-bg-3));
    transform: translateX(-100%); /* Off-screen initially */
    transition: transform 0.3s ease-in-out;
    z-index: 1000; /* Above overlay */
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    box-shadow: 
      0 0 10px var(--neon-glow-primary-dynamic),
      0 0 20px var(--neon-glow-primary-dynamic);
  }
  .main-nav.active {
    display: flex; /* Show when active */
    transform: translateX(0); /* Slide in */
  }
  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 15px;
    width: 100%;
  }
  .nav-link {
    width: 100%;
    padding: 10px 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .nav-link:last-child {
    border-bottom: none;
  }
  .mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 999; /* Below menu */
    display: none;
    transition: opacity 0.3s ease-in-out;
    opacity: 0;
  }
  .mobile-menu-overlay.active {
    display: block;
    opacity: 1;
  }
  body.no-scroll {
    overflow: hidden;
  }

  .footer-top .footer-container {
    grid-template-columns: 1fr; /* Single column layout */
  }
  .footer-bottom .footer-container {
    flex-direction: column;
    gap: 15px;
  }
  .footer-legal-nav {
    flex-direction: column;
    gap: 5px 0;
  }
  .footer-legal-nav li {
    width: 100%;
  }
  .footer-col.payment-methods {
    order: 4; /* Keep payment methods at the end of top section */
  }
  
  /* Mobile content overflow prevention */
  .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;
  }
}