:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --card-bg-color: #11271B;
  --bg-color: #08160F;
  --text-main-color: #F2FFF6;
  --text-secondary-color: #A7D9B8;
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green-color: #0A4B2C;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);

  /* Neon specific colors - dynamically changing */
  --neon-primary: #11A84E;
  --neon-secondary: #22C768;
  --neon-accent: #FF00FF; /* Default for general neon */
  --marquee-height-desktop: 44px;
  --header-top-height-desktop: 68px;
  --main-nav-height-desktop: 52px;

  /* Header offset calculation */
  --header-offset: calc(var(--marquee-height-desktop) + var(--header-top-height-desktop) + var(--main-nav-height-desktop) + 2px); /* 44 + 68 + 52 + 2 = 166px */
}

body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding-top: var(--header-offset);
  background-color: var(--bg-color);
  color: var(--text-main-color);
  line-height: 1.6;
  overflow-x: hidden; /* Prevent body overflow on desktop as well */
}

/* Animations for dynamic neon colors */
@keyframes rainbow-border {
  0% { border-color: var(--neon-primary); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
  25% { border-color: var(--neon-accent); box-shadow: 0 0 10px var(--neon-accent), 0 0 20px var(--neon-accent); }
  50% { border-color: var(--neon-secondary); box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary); }
  75% { border-color: #00FFFF; box-shadow: 0 0 10px #00FFFF, 0 0 20px #00FFFF; }
  100% { border-color: var(--neon-primary); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
}

@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 */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--marquee-height-desktop);
  box-sizing: border-box;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
  color: #ffffff;
  overflow: hidden;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  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(255, 0, 255, 0.1);
  z-index: 1001;
}

.marquee-container {
  width: 100%;
  max-width: 100%;
  height: 100%;
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 0 20px;
  box-sizing: border-box;
}

.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 */
.site-header {
  position: fixed;
  top: var(--marquee-height-desktop); /* Position below marquee */
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  color: var(--text-main-color);
  z-index: 1000;
  box-sizing: border-box;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  box-shadow: 
    0 0 10px var(--neon-secondary),
    0 0 20px var(--neon-secondary),
    inset 0 0 15px rgba(0, 255, 255, 0.1);
}

.header-top {
  box-sizing: border-box;
  min-height: var(--header-top-height-desktop);
  height: var(--header-top-height-desktop);
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

/* LOGO - No neon effects */
.logo {
  color: var(--text-main-color); /* Regular color, contrasting with dark background */
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  display: block; /* Ensure it's always visible */
  flex-shrink: 0;
}
.logo img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 60px; /* Desktop max height */
  object-fit: contain;
}

/* Desktop Navigation Buttons */
.desktop-nav-buttons {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

/* Mobile Navigation Buttons (hidden on desktop) */
.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
}

/* Hamburger Menu (hidden on desktop) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1002; /* Above logo and menu overlay */
  margin-left: 20px;
}
.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--neon-primary); /* Dynamic neon color */
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
  animation: text-glow-flow 3s ease-in-out infinite alternate; /* Dynamic glow */
}
.hamburger-menu span:nth-child(1) { top: 0; }
.hamburger-menu span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger-menu span:nth-child(3) { bottom: 0; }

/* Hamburger Menu Active State */
.hamburger-menu.active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* Main Navigation */
.main-nav {
  box-sizing: border-box;
  min-height: var(--main-nav-height-desktop);
  height: var(--main-nav-height-desktop);
  display: flex; /* Desktop default: flex (visible) */
  flex-direction: row; /* Desktop default: row */
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark background for contrast */
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite reverse; /* Dynamic border color, reversed animation */
  box-shadow: 
    0 0 10px var(--neon-accent),
    0 0 20px var(--neon-accent),
    inset 0 0 15px rgba(255, 255, 0, 0.1);
}

.nav-container {
  box-sizing: border-box;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 0 20px;
}

.nav-link {
  color: var(--text-main-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  padding: 5px 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--glow-color);
}

/* Buttons */
.btn {
  position: relative;
  background: var(--button-gradient);
  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-primary);
  transition: all 0.3s ease;
  font-weight: bold;
  flex-shrink: 0;
  white-space: nowrap; /* Prevent button text from wrapping on desktop */
}

.btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px);
  box-shadow: 
    0 0 15px var(--neon-primary),
    0 0 30px var(--neon-primary),
    inset 0 0 15px rgba(102, 126, 234, 0.5);
}

/* Footer */
.site-footer {
  background-color: var(--card-bg-color); /* Dark background for footer */
  color: var(--text-secondary-color);
  padding: 40px 20px 20px;
  font-size: 14px;
  line-height: 1.8;
}

.footer-top-grid {
  max-width: 1200px;
  margin: 0 auto 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--divider-color);
}

.footer-col h3 {
  color: var(--text-main-color);
  font-size: 18px;
  margin-top: 0;
  margin-bottom: 15px;
}

.footer-logo {
  color: var(--glow-color); /* Use a vibrant color for footer logo */
  font-size: 28px;
  font-weight: bold;
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}

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

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

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

.footer-nav a {
  color: var(--text-secondary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-dynamic-col .footer-slot-anchor-inner,
.footer-dynamic-row .footer-slot-anchor-inner {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 5px; /* Smaller gap for col 4 */
  width: 100%;
}
.footer-dynamic-row .footer-slot-anchor-inner {
  gap: 8px; /* Larger gap for mid rows */
}

.footer-dynamic-row {
  max-width: 1200px;
  margin: 20px auto;
  padding: 0 20px;
}
.footer-dynamic-row-1 {
  padding-top: 20px;
  border-top: 1px solid var(--divider-color);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding-top: 20px;
  color: var(--text-secondary-color);
  border-top: 1px solid var(--divider-color);
}
.footer-bottom a {
  pointer-events: none;
  cursor: default;
  text-decoration: none;
  color: inherit;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  :root {
    --marquee-height-mobile: 36px;
    --header-top-height-mobile: 60px;
    --main-nav-height-mobile: 48px;
    --mobile-nav-buttons-height: 48px; /* Assuming min-height for mobile buttons */
    --header-offset: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height) + 2px); /* 36 + 60 + 48 + 2 = 146px */
  }

  body {
    padding-top: var(--header-offset);
    overflow-x: hidden;
  }
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }

  /* Marquee Mobile */
  .marquee-section {
    height: var(--marquee-height-mobile) !important;
  }
  .marquee-container {
    gap: 10px !important;
    padding: 0 12px !important;
    height: 100% !important;
  }
  .marquee-icon {
    width: 20px !important;
    height: 20px !important;
  }
  .marquee-icon-emoji {
    font-size: 14px !important;
  }
  .marquee-text {
    font-size: 14px !important;
  }
  .marquee-separator {
    font-size: 14px !important;
    margin: 0 10px !important;
  }
  .marquee-content {
    gap: 20px;
    animation: marquee-scroll 25s linear infinite;
  }

  /* Header Mobile */
  .site-header {
    top: var(--marquee-height-mobile); /* Position below marquee */
  }
  .header-top {
    min-height: var(--header-top-height-mobile) !important;
    height: var(--header-top-height-mobile) !important;
  }
  .header-container {
    width: 100%;
    max-width: none; /* Crucial for mobile full width */
    padding: 0 15px;
    justify-content: flex-start; /* Align hamburger to start */
  }

  /* Mobile Logo Centering (Method 1: Flexbox + !important) */
  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 20px; /* Adjust font size for mobile */
  }
  .logo img {
    max-height: 56px !important; /* Mobile max height */
  }

  .hamburger-menu {
    display: block; /* Show hamburger on mobile */
    margin-left: 0;
    margin-right: auto; /* Push logo to center */
    order: -1; /* Place hamburger first */
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 15px; /* Added padding for mobile buttons */
    overflow: hidden;
    gap: 10px;
    justify-content: center;
    flex-wrap: nowrap; /* Ensure buttons stay in one line */
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
    border-bottom: 1px solid var(--divider-color);
  }
  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Account for gap */
    box-sizing: border-box;
    white-space: normal; /* Allow text wrap */
    word-wrap: break-word;
    overflow-wrap: break-word;
    padding: 8px 12px; /* Smaller padding for mobile buttons */
    font-size: 13px; /* Smaller font size for mobile buttons */
    text-align: center;
  }

  .main-nav {
    display: none; /* Hidden by default on mobile */
    position: fixed;
    top: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height)); /* Below header top and mobile buttons */
    left: 0;
    width: 80%; /* Sidebar width */
    max-width: 300px; /* Max width for sidebar */
    height: calc(100% - (var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height))); /* Fill remaining height */
    flex-direction: column; /* Vertical menu */
    align-items: flex-start;
    justify-content: flex-start;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Same as desktop main nav */
    padding: 20px;
    box-sizing: border-box;
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease-in-out;
    z-index: 1000; /* Above overlay, below hamburger */
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite reverse; /* Dynamic border color */
    box-shadow: 
      0 0 10px var(--neon-accent),
      0 0 20px var(--neon-accent);
  }
  .main-nav.active {
    display: flex; /* Show menu when active */
    transform: translateX(0); /* Slide in */
  }

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    padding: 0;
    width: 100%;
    max-width: none; /* Crucial for mobile full width */
  }
  .nav-link {
    font-size: 18px;
    width: 100%;
    padding: 10px 0;
  }

  .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, above page content */
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }
  .mobile-menu-overlay.active {
    display: block;
    opacity: 1;
  }

  /* Footer Mobile */
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 20px;
  }
  .footer-dynamic-row {
    padding: 0 15px; /* Adjust padding for mobile */
  }
  .footer-bottom {
    padding: 15px; /* Adjust padding for mobile */
  }
}
/* 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;
  }
}