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

  /* Neon base colors - derived from the theme but vibrant */
  --neon-base-green: #39FF14; /* Vibrant Green */
  --neon-base-yellow: #FFFF00; /* Vibrant Yellow */
  --neon-base-cyan: #00FFFF; /* Vibrant Cyan */
  --neon-base-magenta: #FF00FF; /* Vibrant Magenta */
  --neon-base-red: #FF0000; /* Vibrant Red */

  --neon-primary: var(--neon-base-green); /* Default for primary glow */
  --neon-secondary: var(--neon-base-yellow); /* Default for secondary glow */
  --neon-accent: var(--neon-base-cyan); /* Default for accent glow */

  /* Header/Marquee dark backgrounds */
  --dark-bg-1: #0a0a0a;
  --dark-bg-2: #1a1a2e;
  --dark-bg-3: #16213e;
  --dark-bg-4: #0f3460;

  --marquee-height-desktop: 45px;
  --marquee-height-mobile: 30px;

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

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

/* Base styles */
html {
  box-sizing: border-box;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #f0f0f0;
  background-color: #121212;
  padding-top: var(--header-offset);
  overflow-x: hidden; /* Prevents horizontal scroll on body */
}

/* Animations for neon effects */
@keyframes rainbow-border {
  0% {
    border-color: var(--neon-base-red);
    box-shadow: 0 0 10px var(--neon-base-red), 0 0 20px var(--neon-base-red);
  }
  16.6% {
    border-color: var(--neon-base-magenta);
    box-shadow: 0 0 10px var(--neon-base-magenta), 0 0 20px var(--neon-base-magenta);
  }
  33.3% {
    border-color: var(--neon-base-cyan);
    box-shadow: 0 0 10px var(--neon-base-cyan), 0 0 20px var(--neon-base-cyan);
  }
  50% {
    border-color: var(--neon-base-green);
    box-shadow: 0 0 10px var(--neon-base-green), 0 0 20px var(--neon-base-green);
  }
  66.6% {
    border-color: var(--neon-base-yellow);
    box-shadow: 0 0 10px var(--neon-base-yellow), 0 0 20px var(--neon-base-yellow);
  }
  83.3% {
    border-color: var(--neon-base-red);
    box-shadow: 0 0 10px var(--neon-base-red), 0 0 20px var(--neon-base-red);
  }
  100% {
    border-color: var(--neon-base-red);
    box-shadow: 0 0 10px var(--neon-base-red), 0 0 20px var(--neon-base-red);
  }
}

@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 var(--neon-base-red), 0 0 20px var(--neon-base-magenta);
  }
  50% {
    background-position: 100% 50%;
    box-shadow: 0 0 10px var(--neon-base-cyan), 0 0 20px var(--neon-base-green);
  }
  100% {
    background-position: 0% 50%;
    box-shadow: 0 0 10px var(--neon-base-red), 0 0 20px var(--neon-base-magenta);
  }
}

@keyframes random-glow {
  0% {
    border-color: var(--neon-base-magenta);
    box-shadow: 0 0 20px var(--neon-base-magenta);
  }
  20% {
    border-color: var(--neon-base-cyan);
    box-shadow: 0 0 20px var(--neon-base-cyan);
  }
  40% {
    border-color: var(--neon-base-green);
    box-shadow: 0 0 20px var(--neon-base-green);
  }
  60% {
    border-color: var(--neon-base-yellow);
    box-shadow: 0 0 20px var(--neon-base-yellow);
  }
  80% {
    border-color: var(--neon-base-red);
    box-shadow: 0 0 20px var(--neon-base-red);
  }
  100% {
    border-color: var(--neon-base-magenta);
    box-shadow: 0 0 20px var(--neon-base-magenta);
  }
}

@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: var(--secondary-color);
  }
  50% {
    text-shadow:
      0 0 5px var(--neon-secondary),
      0 0 10px var(--neon-secondary),
      0 0 15px var(--neon-secondary);
    color: var(--secondary-color);
  }
  100% {
    text-shadow:
      0 0 5px var(--neon-accent),
      0 0 10px var(--neon-accent),
      0 0 15px var(--neon-accent);
    color: var(--secondary-color);
  }
}

/* Marquee Section */
.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;
  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); /* Using a fixed rgba for inset to avoid issues with var() in rgba */
  z-index: 1001;
  min-height: var(--marquee-height-desktop);
  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: 0px 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);
  left: 0;
  width: 100%;
  z-index: 1000;
}

.header-top {
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2), var(--dark-bg-3));
  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(57, 255, 20, 0.1);
  width: 100%;
  min-height: 60px;
  display: flex;
  align-items: center;
}

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

.logo {
  color: var(--secondary-color);
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  display: block;
  flex-shrink: 0;
  /* LOGO must NOT have neon effects */
  text-shadow: none;
  box-shadow: none;
  filter: none;
  animation: none;
}

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

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

.main-nav {
  background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3), var(--dark-bg-4));
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: rainbow-border 4s linear infinite;
  box-shadow:
    0 0 10px var(--neon-base-red),
    0 0 20px var(--neon-base-red),
    0 0 30px var(--neon-base-red),
    inset 0 0 20px rgba(255, 0, 0, 0.1);
  width: 100%;
  min-height: 50px;
  display: flex; /* Desktop default */
  align-items: center;
}

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

.nav-link {
  color: #ffffff;
  text-decoration: none;
  padding: 8px 15px;
  font-weight: 500;
  font-size: 16px;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}

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

.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-base-green), var(--neon-base-yellow));
  padding: 12px 20px;
  color: var(--register-login-font-color); /* Use specified font color for register/login */
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  text-shadow:
    0 0 5px var(--register-login-font-color),
    0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  font-weight: bold;
  font-size: 15px;
  text-align: center;
  white-space: nowrap;
}

.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(57, 255, 20, 0.5);
}

/* Hamburger menu */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1001;
}

.hamburger-icon {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--neon-primary);
  margin: 5px 0;
  transition: all 0.3s ease-in-out;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

.hamburger-menu.active .hamburger-icon:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.hamburger-menu.active .hamburger-icon:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Footer Section */
.site-footer {
  background-color: var(--dark-bg-1);
  color: #cccccc;
  padding: 40px 20px 20px;
  font-size: 14px;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 40px;
}

.footer-col h4 {
  color: var(--secondary-color);
  font-size: 18px;
  margin-bottom: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 10px;
}

.footer-logo {
  color: var(--primary-color);
  font-size: 28px;
  font-weight: bold;
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}

.footer-description {
  line-height: 1.8;
  word-wrap: break-word;
  overflow-wrap: break-word;
  color: #aaaaaa;
}

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

.footer-nav li a {
  color: #cccccc;
  text-decoration: none;
  padding: 5px 0;
  display: block;
  transition: color 0.3s ease;
}

.footer-nav 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;
  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 {
  max-width: 1200px;
  margin: 0 auto 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #999999;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .marquee-section {
    min-height: var(--marquee-height-mobile);
    padding: 0px 2px;
  }

  .marquee-container {
    gap: 10px;
    padding: 0px 2px;
  }

  .marquee-icon {
    width: 20px;
    height: 20px;
  }

  .marquee-icon-emoji {
    font-size: 14px;
  }

  .marquee-text {
    font-size: 14px;
  }

  .marquee-separator {
    font-size: 14px;
    margin: 0 10px;
  }

  .marquee-content {
    gap: 20px;
    animation: marquee-scroll 25s linear infinite;
  }

  .site-header {
    top: var(--marquee-height-mobile);
  }

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

  .header-container {
    padding: 0 15px;
    justify-content: space-between;
  }

  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 20px;
    order: 2;
  }

  .hamburger-menu {
    display: block;
    order: 1;
    margin-right: auto; /* Push logo to center */
    box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
  }

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

  .mobile-nav-buttons {
    display: flex !important;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 15px;
    gap: 10px;
    justify-content: center;
    flex-wrap: nowrap;
    background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    box-shadow:
      0 0 5px var(--neon-primary),
      0 0 10px var(--neon-primary);
  }

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

  .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Below fixed header and mobile buttons */
    left: 0;
    width: 70%;
    max-width: 300px;
    height: calc(100% - var(--header-offset));
    background-color: var(--dark-bg-4); /* Darker background for sidebar */
    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;
    overflow-y: auto;
    border-right: 2px solid;
    animation: rainbow-border 4s linear infinite;
  }

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

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

  .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-top-grid {
    grid-template-columns: 1fr;
  }

  .payment-methods .payment-icons,
  .game-providers-section .game-providers-icons,
  .social-media-section .social-media-icons {
    gap: 5px;
  }

  .payment-methods .payment-icons img,
  .game-providers-section .game-providers-icons img,
  .social-media-section .social-media-icons img {
    max-height: 40px;
  }

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

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
}

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