:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --reg-log-btn-bg: #C30808;
  --reg-log-font-color: #FFFF00;
  --dark-bg-1: #0a0a0a;
  --dark-bg-2: #1a1a2e;
  --dark-bg-3: #16213e;
  --dark-bg-4: #0f3460;

  --neon-primary: #39FF14; /* Electric Lime Green */
  --neon-secondary: #FF00FF; /* Magenta */
  --neon-accent: #FFFF00; /* Bright Yellow */

  --header-offset: 155px; /* Desktop: Marquee (45px) + HeaderTop (60px) + MainNav (50px) */
}

@media (max-width: 768px) {
  :root {
    --header-offset: 130px; /* Mobile: Marquee (30px) + HeaderTop (50px) + MobileNavButtons (50px) */
  }
}

/* Global Reset & Body */
body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  color: #ffffff;
  background-color: var(--dark-bg-1);
  padding-top: var(--header-offset);
  overflow-x: hidden; /* Prevent horizontal scroll */
}

/* 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 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 (Fixed at top) */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2), var(--dark-bg-3));
  color: #ffffff;
  overflow: hidden;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic color border */
  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(57, 255, 20, 0.1);
  z-index: 1001;
  padding: 10px 0;
  height: 25px; /* Base height for marquee text */
  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));
}

.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);
}

/* Site Header (Fixed below marquee) */
.site-header {
  position: fixed;
  top: 45px; /* Marquee height (10+25+10) */
  left: 0;
  width: 100%;
  z-index: 1000;
  color: #ffffff;
  display: flex;
  flex-direction: column;
}

.header-top {
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic color border */
  box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), inset 0 0 10px rgba(57, 255, 20, 0.2);
  padding: 0;
  min-height: 60px; /* Desktop */
  display: flex;
  align-items: center;
}

.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);
  font-size: 28px;
  font-weight: bold;
  text-decoration: none;
  display: block;
  padding: 10px 0;
  flex-shrink: 0;
}

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

.desktop-nav-buttons {
  display: flex;
  gap: 10px;
  align-items: center;
}

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

.main-nav {
  background: linear-gradient(135deg, var(--dark-bg-3), var(--dark-bg-4));
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite reverse; /* Dynamic color border, reverse animation */
  box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary), inset 0 0 10px rgba(255, 0, 255, 0.2);
  min-height: 50px; /* Desktop */
  display: flex;
  align-items: center;
}

.main-nav .nav-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 20px;
}

.nav-link {
  color: var(--secondary-color);
  text-decoration: none;
  font-size: 16px;
  padding: 8px 15px;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}

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

/* Hamburger Menu */
.hamburger-menu {
  display: none; /* Hidden by default on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1002;
}

.hamburger-icon {
  display: block;
  width: 28px;
  height: 3px;
  background-color: var(--neon-primary);
  border-radius: 2px;
  position: relative;
  transition: background-color 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
  animation: theme-colors 4s ease-in-out infinite;
}

.hamburger-icon::before, .hamburger-icon::after {
  content: '';
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--neon-primary);
  border-radius: 2px;
  position: absolute;
  transition: transform 0.3s ease, background-color 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
  animation: theme-colors 4s ease-in-out infinite;
}

.hamburger-icon::before {
  top: -8px;
}

.hamburger-icon::after {
  top: 8px;
}

.hamburger-menu.active .hamburger-icon {
  background-color: transparent;
  box-shadow: none;
}

.hamburger-menu.active .hamburger-icon::before {
  transform: translateY(8px) rotate(45deg);
  background-color: var(--neon-secondary);
  box-shadow: 0 0 5px var(--neon-secondary), 0 0 10px var(--neon-secondary);
}

.hamburger-menu.active .hamburger-icon::after {
  transform: translateY(-8px) rotate(-45deg);
  background-color: var(--neon-secondary);
  box-shadow: 0 0 5px var(--neon-secondary), 0 0 10px var(--neon-secondary);
}

/* Buttons */
.btn {
  position: relative;
  background: linear-gradient(135deg, var(--reg-log-btn-bg), #FF4444);
  padding: 12px 25px;
  color: var(--reg-log-font-color);
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic color border */
  text-shadow: 0 0 5px var(--reg-log-font-color), 0 0 10px var(--reg-log-font-color);
  transition: all 0.3s ease;
  font-weight: bold;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn:hover {
  animation-duration: 2s; /* Faster animation on hover */
  transform: translateY(-2px);
  color: var(--reg-log-font-color);
  text-shadow: 0 0 8px var(--reg-log-font-color), 0 0 15px var(--reg-log-font-color), 0 0 25px var(--reg-log-font-color);
}

/* 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;
  transition: opacity 0.3s ease;
  opacity: 0;
}

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

/* Footer */
.site-footer {
  background-color: var(--dark-bg-1);
  color: rgba(255, 255, 255, 0.8);
  padding: 40px 20px 20px;
  font-size: 14px;
}

.footer-top-section {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 30px;
  margin-bottom: 30px;
}

.footer-grid-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-col {
  margin-bottom: 20px;
}

.footer-logo {
  color: var(--secondary-color);
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}

.footer-description {
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 0.7);
}

.footer-heading {
  color: var(--secondary-color);
  font-size: 18px;
  margin-bottom: 15px;
  text-transform: uppercase;
}

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

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

.footer-nav a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.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%); /* Make icons fit dark theme */
  transition: filter 0.3s ease;
}

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

.footer-middle-section {
  max-width: 1200px;
  margin: 0 auto 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.game-providers-section, .social-media-section {
  margin-bottom: 25px;
}

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

.copyright {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  max-width: 1200px;
  margin: 0 auto;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .marquee-section {
    padding: 0;
    height: 30px;
    top: 0; /* Ensures it stays at the very top */
  }
  .marquee-container {
    padding: 0 5px;
    gap: 10px;
  }
  .marquee-icon {
    width: 25px;
    height: 25px;
  }
  .marquee-icon-emoji {
    font-size: 16px;
  }
  .marquee-text {
    font-size: 13px;
    line-height: 1.2;
  }
  .marquee-separator {
    font-size: 13px;
    margin: 0 8px;
  }
  .marquee-content {
    gap: 15px;
    animation-duration: 20s; /* Faster scroll on mobile */
  }

  .site-header {
    top: 30px; /* Marquee mobile height */
    flex-direction: column;
    align-items: stretch;
  }

  .header-top {
    min-height: 50px;
    padding: 0 10px;
  }

  .header-container {
    padding: 0 15px;
    max-width: none; /* Remove max-width on mobile */
    width: 100%;
    justify-content: flex-start; /* Align hamburger to left */
  }

  .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: 22px;
    padding: 5px 0;
  }
  .logo img {
    max-height: 35px;
  }

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

  .mobile-nav-buttons {
    display: flex !important;
    justify-content: center;
    gap: 10px;
    padding: 10px 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    flex-wrap: nowrap; /* Ensure buttons stay in one line */
    background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3));
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    box-shadow: 0 0 8px var(--neon-primary), 0 0 15px var(--neon-primary), inset 0 0 8px rgba(57, 255, 20, 0.2);
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Account for gap */
    padding: 8px 12px;
    font-size: 13px;
    text-align: center;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .main-nav {
    display: none; /* Hidden by default, toggled by JS */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Position below fixed header elements */
    left: 0;
    width: 75%; /* Slide-out menu width */
    height: calc(100% - var(--header-offset));
    background: linear-gradient(135deg, var(--dark-bg-3), var(--dark-bg-4));
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.5);
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease-in-out;
    z-index: 1000;
    border-top: none;
    border-bottom: none;
    overflow-y: auto;
  }

  .main-nav.active {
    display: flex; /* Show the menu */
    transform: translateX(0); /* Slide into view */
  }

  .main-nav .nav-container {
    flex-direction: column;
    padding: 20px 15px;
    max-width: none;
    width: 100%;
    align-items: flex-start;
  }

  .nav-link {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 15px;
  }
  .nav-link:last-child {
    border-bottom: none;
  }

  .footer-grid-container {
    grid-template-columns: 1fr;
  }

  .footer-top-section, .footer-middle-section {
    padding: 0 15px;
  }

  .site-footer {
    padding: 30px 0 15px;
  }

  .copyright {
    padding: 0 15px;
  }

  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}

/* No-scroll for body when menu is open */
body.no-scroll {
  overflow: 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;
  }
}