:root {
  --site-primary: #017439;
  --site-secondary: #FFFFFF;
  --neon-primary: #00ff00; /* Vibrant Green */
  --neon-secondary: #00ffff; /* Cyan */
  --neon-accent: #ff00ff; /* Magenta */
  --neon-bg-dark: #0a0a0a;
  --neon-bg-medium: #1a1a2e;
  --neon-bg-light: #16213e;
  --marquee-height-desktop: 45px;
  --marquee-height-mobile: 30px;
  --header-top-height-desktop: 60px;
  --main-nav-height-desktop: 50px;
  --header-top-height-mobile: 50px;
  --mobile-nav-buttons-height-mobile: 50px;

  --header-offset: calc(var(--marquee-height-desktop) + var(--header-top-height-desktop) + var(--main-nav-height-desktop)); /* Desktop: 45 + 60 + 50 = 155px */
}

@media (max-width: 768px) {
  :root {
    --header-offset: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height-mobile)); /* Mobile: 30 + 50 + 50 = 130px */
  }
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  margin: 0;
  padding-top: var(--header-offset); /* Ensure content is not hidden by fixed header */
  background-color: #FFFFFF; /* Page background as per custom color */
  color: #333;
  overflow-x: hidden; /* Prevent horizontal scroll for body */
}

/* 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; }
}

/* Marquee Section */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--marquee-height-desktop);
  background: linear-gradient(135deg, var(--neon-bg-dark), var(--neon-bg-medium), var(--neon-bg-light));
  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);
  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: var(--marquee-height-desktop); /* Position below marquee */
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent; /* Background handled by sub-sections */
}

.site-header .header-top {
  width: 100%;
  min-height: var(--header-top-height-desktop);
  background: linear-gradient(135deg, var(--neon-bg-dark), var(--neon-bg-medium), var(--neon-bg-light));
  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);
  display: flex;
  align-items: center;
  padding: 10px 0;
}

.site-header .header-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.site-header .logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--site-secondary); /* Regular white color for logo */
  text-decoration: none;
  flex-shrink: 0;
  /* NO NEON EFFECTS on LOGO */
}

.site-header .logo img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 50px; /* Desktop logo height */
}

.site-header .desktop-nav-buttons {
  display: flex; /* Show on desktop */
  gap: 15px;
  align-items: center;
  flex-shrink: 0;
}

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

.site-header .hamburger-menu {
  display: none; /* Hidden on desktop */
}

.site-header .main-nav {
  width: 100%;
  min-height: var(--main-nav-height-desktop);
  background: linear-gradient(135deg, var(--neon-bg-medium), var(--neon-bg-light), #0f3460);
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: alternate-colors 4s ease-in-out infinite; /* Different neon effect for nav */
  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);
  display: flex; /* Show on desktop */
  align-items: center;
  padding: 5px 0;
}

.site-header .main-nav .nav-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  gap: 25px;
}

.site-header .nav-link {
  color: var(--site-secondary); /* Regular white color for nav links */
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 8px 0;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.site-header .nav-link:hover {
  color: var(--neon-primary); /* Hover with neon color */
  text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

/* Buttons */
.btn {
  position: relative;
  padding: 12px 25px;
  color: #FFFF00; /* Register/Login Font color */
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  text-shadow: 
    0 0 5px #FFFF00,
    0 0 10px #FFFF00;
  transition: all 0.3s ease;
  font-weight: bold;
  font-size: 16px;
  background: #C30808; /* Register/Login color */
  cursor: pointer;
  text-align: center;
}

.btn:hover {
  animation-duration: 2s;
  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);
}

/* Footer Section */
.site-footer {
  background-color: #1c1c1c; /* Dark background for footer */
  color: #ccc;
  padding: 40px 0 20px;
  font-size: 14px;
}

.site-footer a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.site-footer h4 {
  color: #fff;
  font-size: 18px;
  margin-bottom: 20px;
  font-weight: 600;
}

.site-footer .footer-top {
  border-bottom: 1px solid #333;
  padding-bottom: 30px;
  margin-bottom: 30px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.site-footer .footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.site-footer .footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer .footer-col ul li {
  margin-bottom: 10px;
}

.site-footer .footer-logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--site-secondary);
  margin-bottom: 15px;
  display: block;
}

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

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

.site-footer .payment-icons img,
.site-footer .game-providers-icons img,
.site-footer .social-media-icons img {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}

.site-footer .footer-middle {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px 30px;
  border-bottom: 1px solid #333;
  margin-bottom: 30px;
}

.site-footer .game-providers-section,
.site-footer .social-media-section {
  margin-bottom: 20px;
}

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

.site-footer .footer-bottom {
  text-align: center;
  color: #888;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-footer .footer-bottom p {
  margin: 0;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
  .marquee-section {
    height: var(--marquee-height-mobile);
    padding: 0;
  }
  .marquee-container {
    gap: 10px;
    padding: 0 10px;
  }
  .marquee-icon {
    width: 25px;
    height: 25px;
  }
  .marquee-icon-emoji {
    font-size: 16px;
  }
  .marquee-text {
    font-size: 13px;
    margin: 0 5px;
  }
  .marquee-separator {
    font-size: 13px;
    margin: 0 8px;
  }
  .marquee-content {
    gap: 15px;
    animation: marquee-scroll 25s linear infinite;
  }

  .site-header {
    top: var(--marquee-height-mobile); /* Adjust for mobile marquee height */
  }

  .site-header .header-top {
    min-height: var(--header-top-height-mobile);
    padding: 5px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .site-header .header-container {
    padding: 0 15px;
    max-width: none; /* Mobile container full width */
  }

  .site-header .logo {
    flex: 1 !important; /* Take available space */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 20px;
    order: 2; /* Center logo */
  }
  .site-header .logo img {
    max-height: 40px; /* Mobile logo height */
  }

  .site-header .desktop-nav-buttons {
    display: none; /* Hide desktop buttons */
  }

  .site-header .hamburger-menu {
    display: flex; /* Show hamburger menu */
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001; /* Above mobile menu overlay */
    order: 1; /* Left side */
    flex-shrink: 0;
  }

  .site-header .hamburger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--neon-primary);
    border-radius: 3px;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
  }

  .site-header .hamburger-menu.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
  }

  .site-header .hamburger-menu.active span:nth-child(2) {
    opacity: 0;
  }

  .site-header .hamburger-menu.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
  }

  .site-header .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 15px;
    overflow: hidden;
    gap: 10px;
    justify-content: center;
    flex-wrap: nowrap; /* Ensure buttons stay in one line */
    background: linear-gradient(135deg, var(--neon-bg-medium), var(--neon-bg-light), #0f3460);
    border-bottom: 2px solid;
    animation: alternate-colors 4s ease-in-out infinite;
    box-shadow: 
      0 0 5px var(--neon-secondary),
      0 0 10px var(--neon-secondary);
  }

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

  .site-header .main-nav {
    display: none; /* Hidden by default, toggled by JS */
    flex-direction: column;
    position: fixed;
    top: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height-mobile)); /* Position below header top and mobile buttons */
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-offset)); /* Full height below header */
    overflow-y: auto;
    background: linear-gradient(135deg, var(--neon-bg-dark), var(--neon-bg-medium));
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease-in-out;
    z-index: 1000; /* Above overlay */
    padding-bottom: 20px; /* Add some padding at the bottom */
  }

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

  .site-header .main-nav .nav-container {
    flex-direction: column;
    padding: 20px 15px;
    max-width: none; /* Mobile container full width */
    gap: 15px;
    align-items: flex-start; /* Align links to the left */
  }

  .site-header .nav-link {
    font-size: 18px;
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .site-header .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: rgba(0, 0, 0, 0.7);
    z-index: 999; /* Below menu, above content */
  }

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

  body.no-scroll {
    overflow: hidden;
  }

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

  .site-footer .footer-col {
    text-align: center;
  }

  .site-footer .footer-col ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }

  .site-footer .footer-col ul li {
    margin-bottom: 0;
  }
  
  .site-footer .footer-col ul li a {
    font-size: 13px;
  }

  .site-footer .footer-logo {
    text-align: center;
  }
  .site-footer .footer-description {
    text-align: center;
  }

  .site-footer .payment-icons,
  .site-footer .game-providers-icons,
  .site-footer .social-media-icons {
    justify-content: center;
  }
  
  .site-footer .footer-top, .site-footer .footer-middle {
    padding-left: 15px;
    padding-right: 15px;
  }
}

/* Common content overflow prevention for mobile */
@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;
  }
}
/* 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;
  }
}