:root {
  --primary-color: #E44D26;
  --secondary-color: #FFB800;
  --neon-primary: var(--primary-color);
  --neon-secondary: var(--secondary-color);
  --neon-accent: #00FFFF;
  --neon-text-color: #ffffff;
  --dark-bg-1: #0a0a0a;
  --dark-bg-2: #1a1a2e;
  --dark-bg-3: #16213e;
  --header-height-desktop: 110px;
  --header-height-mobile: 110px;
}

/* Base styles for HTML elements */
body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding-top: var(--header-height-desktop); /* Desktop padding for fixed header */
  background-color: #121212;
  color: #e0e0e0;
  line-height: 1.6;
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

/* Reset for links */
a {
  text-decoration: none;
  color: inherit;
}

/* --- Neon Glow & Dynamic Color Animations (Provided by user, integrated) --- */
/* Dynamic霓虹发光颜色 - 多款流动变色效果 */
@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),
      inset 0 0 10px rgba(228, 77, 38, 0.3);
  }
  33% {
    border-color: var(--neon-secondary);
    box-shadow:
      0 0 10px var(--neon-secondary),
      0 0 20px var(--neon-secondary),
      inset 0 0 10px rgba(255, 184, 0, 0.3);
  }
  66% {
    border-color: var(--neon-accent);
    box-shadow:
      0 0 10px var(--neon-accent),
      0 0 20px var(--neon-accent),
      inset 0 0 10px rgba(0, 255, 255, 0.3);
  }
}

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

/* --- Header Styles (Desktop First) --- */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  min-height: var(--header-height-desktop);
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2), var(--dark-bg-3));
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color for entire header */
}

.header-top {
  width: 100%;
  padding: 10px 0;
  box-sizing: border-box;
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2)); /* Slightly different gradient */
  border-bottom: 1px solid;
  animation: hue-spin 6s linear infinite; /* Different dynamic border for top part */
}

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

.logo {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--neon-text-color);
  padding: 5px 10px;
  text-transform: uppercase;
  transition: all 0.3s ease;
  /* Apply dynamic text glow */
  animation: text-glow-flow 3s ease-in-out infinite alternate;
}

.logo:hover {
  transform: scale(1.05);
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  cursor: pointer;
  padding: 5px;
  position: relative;
  z-index: 1001;
}

.hamburger-menu span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--neon-primary);
  border-radius: 2px;
  transition: all 0.3s ease-in-out;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

.desktop-nav-buttons {
  display: flex;
  gap: 15px;
}

.btn {
  position: relative;
  padding: 12px 25px;
  color: var(--neon-text-color);
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: all 0.3s ease;
  overflow: hidden;
  cursor: pointer;
  /* Dynamic button styles */
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  text-shadow:
    0 0 5px var(--neon-text-color),
    0 0 10px var(--neon-primary);
  white-space: nowrap; /* Prevent button text from wrapping */
}

.btn.rainbow-flow {
  animation: rainbow-border 3s linear infinite;
}

.btn.theme-flow {
  animation: theme-colors 4s ease-in-out infinite;
}

.btn:hover {
  transform: translateY(-2px);
  animation-duration: 2s; /* Speed up glow on hover */
  filter: brightness(1.2);
}

.main-nav {
  width: 100%;
  padding: 10px 0;
  box-sizing: border-box;
  background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3)); /* Contrasting dark gradient */
  border-top: 1px solid;
  border-bottom: 1px solid;
  animation: rainbow-border 8s linear infinite; /* Dynamic border for nav */
  display: flex; /* Desktop default: flex */
  flex-direction: row; /* Desktop default: row */
  justify-content: center;
  align-items: center;
}

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

.main-nav .nav-link {
  color: #e0e0e0;
  font-size: 1.1em;
  font-weight: 500;
  padding: 8px 15px;
  border-radius: 4px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.main-nav .nav-link:hover,
.main-nav .nav-link.active {
  color: var(--neon-primary);
  background-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 8px var(--neon-primary);
}

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

.mobile-menu-overlay {
  display: none; /* Hidden on desktop */
}

/* --- Footer Styles --- */
.site-footer {
  background-color: #1c1c1c;
  color: #a0a0a0;
  padding: 40px 0 20px;
  font-size: 0.9em;
}

.footer-top-grid {
  max-width: 1200px;
  margin: 0 auto 30px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  border-bottom: 1px solid #333;
  padding-bottom: 30px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.2em;
  margin-bottom: 15px;
}

.footer-logo {
  font-size: 1.8em;
  font-weight: bold;
  color: #ffffff;
  margin-bottom: 15px;
  display: block;
  text-transform: uppercase;
}

.footer-description {
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
  text-align: justify;
}

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

.footer-nav-list li {
  margin-bottom: 10px;
}

.footer-nav-list a {
  color: #a0a0a0;
  transition: color 0.3s ease;
}

.footer-nav-list a:hover {
  color: #ffffff;
}

.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%); /* Subtle effect for icons */
  transition: filter 0.3s ease;
}

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

.footer-middle-section {
  max-width: 1200px;
  margin: 0 auto 30px;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.footer-middle-section h4 {
  color: #ffffff;
  font-size: 1.2em;
  margin-bottom: 15px;
}

.footer-bottom {
  background-color: #121212;
  padding: 15px 0;
}

.footer-bottom .footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.copyright {
  margin: 0;
  color: #888;
}

.footer-legal-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-legal-nav a {
  color: #888;
  transition: color 0.3s ease;
}

.footer-legal-nav a:hover {
  color: #fff;
}

/* --- Responsive Styles (Mobile) --- */
@media (max-width: 768px) {
  body {
    padding-top: var(--header-height-mobile); /* Mobile padding for fixed header */
  }

  .site-header {
    min-height: auto;
    padding-bottom: 0;
  }

  .header-top {
    padding: 10px 0;
    border-bottom: none;
    animation: none; /* Disable complex animations for performance on mobile */
  }

  .header-container {
    padding: 0 15px;
    max-width: none; /* Crucial: Occupy full width */
    width: 100%;
    justify-content: space-between;
    position: relative;
  }

  .hamburger-menu {
    display: flex; /* Show hamburger on mobile */
    order: 1;
    margin-right: auto; /* Push logo to center */
    z-index: 1002; /* Ensure it's above everything */
  }

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

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

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

  .logo {
    order: 2;
    flex: 1; /* Allow logo to take available space and center */
    text-align: center;
    font-size: 2em;
    padding: 5px 0;
  }

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

  .mobile-nav-buttons-wrapper {
    display: block; /* Show mobile buttons wrapper */
    width: 100%;
    background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
    border-bottom: 1px solid;
    animation: alternate-colors 3s ease-in-out infinite alternate; /* Dynamic border for mobile buttons */
    padding: 10px 0;
  }

  .mobile-nav-buttons-container {
    max-width: none; /* Crucial: Occupy full width */
    width: 100%;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
    justify-content: center;
    gap: 10px;
    box-sizing: border-box;
  }

  .mobile-nav-buttons-container .btn {
    flex: 1;
    font-size: 0.9em;
    padding: 10px 15px;
  }

  .main-nav {
    display: none; /* Hidden by default on mobile */
    position: fixed;
    top: 0;
    left: 0;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--dark-bg-3);
    flex-direction: column; /* Vertical menu */
    justify-content: flex-start;
    padding-top: 80px;
    transform: translateX(-100%); /* Slide out of view */
    transition: transform 0.3s ease-in-out;
    box-shadow: 2px 0 15px rgba(0, 0, 0, 0.5);
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite; /* Dynamic border for mobile menu */
    z-index: 1001;
  }

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

  .main-nav .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 20px;
    gap: 15px;
    max-width: none; /* Crucial: Occupy full width */
    width: 100%;
  }

  .main-nav .nav-link {
    width: 100%;
    padding: 12px 15px;
    font-size: 1.2em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .main-nav .nav-link:last-child {
    border-bottom: none;
  }

  .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: 1000;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }

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

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-bottom .footer-container {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal-nav {
    justify-content: center;
  }
}