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

  /* Neon dynamic colors - mapped to brighter versions of the palette */
  --neon-primary-dynamic: var(--glow-color); /* #57E38D */
  --neon-secondary-dynamic: #2AD16F; /* From button gradient start */
  --neon-accent-dynamic: var(--gold-color); /* #F2C14E */

  --header-offset: 166px; /* Marquee 44px + Header-top 68px + Main-nav 52px + 2px buffer */
}

body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-color);
  padding-top: var(--header-offset); /* Fixed 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-dynamic), 0 0 20px var(--neon-primary-dynamic); }
  100% { filter: hue-rotate(360deg); box-shadow: 0 0 10px var(--neon-primary-dynamic), 0 0 20px var(--neon-primary-dynamic); }
}

@keyframes alternate-colors {
  0% { border-color: var(--neon-primary-dynamic); box-shadow: 0 0 10px var(--neon-primary-dynamic), 0 0 20px var(--neon-primary-dynamic); }
  100% { border-color: var(--neon-secondary-dynamic); box-shadow: 0 0 10px var(--neon-secondary-dynamic), 0 0 20px var(--neon-secondary-dynamic); }
}

@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-dynamic);
    box-shadow: 
      0 0 10px var(--neon-primary-dynamic),
      0 0 20px var(--neon-primary-dynamic);
  }
  33% {
    border-color: var(--neon-secondary-dynamic);
    box-shadow: 
      0 0 10px var(--neon-secondary-dynamic),
      0 0 20px var(--neon-secondary-dynamic);
  }
  66% {
    border-color: var(--neon-accent-dynamic);
    box-shadow: 
      0 0 10px var(--neon-accent-dynamic),
      0 0 20px var(--neon-accent-dynamic);
  }
}

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

/* Base Neon Styles */
.neon-glow {
  box-shadow: 
    0 0 5px currentColor,
    0 0 10px currentColor,
    0 0 15px currentColor,
    0 0 20px currentColor,
    inset 0 0 10px rgba(255, 255, 255, 0.1);
}
.neon-tube { border: 2px solid; animation: neon-flicker 2s infinite alternate, theme-colors 4s linear infinite; }
.cyber-grid { background: linear-gradient(90deg, transparent 95%, currentColor 100%), linear-gradient(180deg, transparent 95%, currentColor 100%); background-size: 20px 20px; border: 1px solid; animation: hue-spin 4s linear infinite; }
.neon-pulse { border: 2px solid; animation: pulse-glow 2s ease-in-out infinite alternate, theme-colors 4s ease-in-out infinite; }
.rainbow-flow { border: 2px solid; animation: rainbow-border 3s linear infinite; }
.hue-rotate { border: 2px solid; filter: hue-rotate(0deg); animation: hue-spin 4s linear infinite; }
.alternate-glow { border: 2px solid; animation: alternate-colors 2s ease-in-out infinite alternate; }
.color-stream { position: relative; border: 2px solid transparent; background: linear-gradient(45deg, #ff0000, #ff8000, #ffff00, #00ff00, #00ffff, #0000ff, #8000ff, #ff0080); background-size: 400% 400%; animation: gradient-flow 3s ease infinite; }
.random-colors { border: 2px solid; animation: random-glow 5s linear infinite; }
.theme-flow { border: 2px solid; animation: theme-colors 4s ease-in-out infinite; }
.led-matrix {
  border: 2px solid;
  box-shadow: 0 0 5px currentColor, 0 0 10px currentColor;
  position: relative;
  animation: random-glow 5s linear infinite;
}
.led-matrix::before {
  content: ''; position: absolute; top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: radial-gradient(circle at 0% 0%, currentColor 2px, transparent 3px), radial-gradient(circle at 100% 0%, currentColor 2px, transparent 3px), radial-gradient(circle at 0% 100%, currentColor 2px, transparent 3px), radial-gradient(circle at 100% 100%, currentColor 2px, transparent 3px);
  background-size: 20px 20px; animation: led-blink 1s steps(2) infinite;
}
.neon-text-dynamic { animation: text-glow-flow 3s ease-in-out infinite alternate; }


/* Marquee Section */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 44px;
  box-sizing: border-box;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  color: #ffffff;
  overflow: hidden;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  box-shadow: 
    0 0 10px var(--neon-primary-dynamic),
    0 0 20px var(--neon-primary-dynamic),
    0 0 30px var(--neon-primary-dynamic),
    inset 0 0 20px rgba(87, 227, 141, 0.1); /* Using glow-color for inset */
  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-dynamic),
    0 0 10px var(--neon-primary-dynamic),
    0 0 15px var(--neon-primary-dynamic);
  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-dynamic),
    0 0 10px var(--neon-primary-dynamic),
    0 0 15px var(--neon-primary-dynamic);
  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-dynamic),
    0 0 20px var(--neon-primary-dynamic),
    0 0 30px var(--neon-primary-dynamic),
    0 0 40px var(--neon-primary-dynamic);
  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-dynamic),
    0 0 6px var(--neon-primary-dynamic);
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}


/* Header Section */
.site-header {
  position: fixed;
  top: 44px; /* Marquee height */
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Darker blue/purple gradient */
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  box-shadow: 
    0 0 10px var(--neon-secondary-dynamic),
    0 0 20px var(--neon-secondary-dynamic),
    0 0 30px var(--neon-secondary-dynamic),
    inset 0 0 20px rgba(42, 209, 111, 0.1); /* Using a button color for inset */
}

.header-top {
  box-sizing: border-box;
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0 20px;
}

.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;
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--text-main); /* Regular text color, no neon for logo */
  text-decoration: none;
  flex-shrink: 0;
  display: block;
  padding-left: 0; /* Handled by header-top padding */
  text-shadow: none; /* Ensure no neon text-shadow */
  box-shadow: none; /* Ensure no neon box-shadow */
  filter: none; /* Ensure no neon filter */
}
.logo img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 60px;
  object-fit: contain;
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1002;
  flex-shrink: 0;
}

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

.hamburger-menu.active .bar:nth-child(1) { transform: rotate(-45deg) translate(-5px, 6px); }
.hamburger-menu.active .bar:nth-child(2) { opacity: 0; }
.hamburger-menu.active .bar:nth-child(3) { transform: rotate(45deg) translate(-5px, -6px); }

.desktop-nav-buttons {
  display: flex; /* Always flex on desktop */
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
  box-sizing: border-box;
  min-height: 48px;
  width: 100%;
  max-width: 100%;
  padding: 10px 20px;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e); /* Darker background than header-top */
  border-top: 1px solid var(--divider-color);
  justify-content: center;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  flex-wrap: nowrap; /* Ensure buttons stay in one line */
}

.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex; /* Always flex on desktop */
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--deep-green), var(--primary-color)); /* Green gradient */
  border-top: 2px solid;
  animation: alternate-colors 4s ease-in-out infinite; /* Different dynamic border color */
  box-shadow: 
    0 0 8px var(--neon-accent-dynamic),
    0 0 16px var(--neon-accent-dynamic),
    inset 0 0 15px rgba(242, 193, 78, 0.1); /* Using gold-color for inset */
}

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

.nav-link {
  color: var(--text-main); /* Regular text color for nav links */
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  padding: 5px 0;
  position: relative;
  transition: color 0.3s ease;
  text-shadow: none; /* Ensure no neon text-shadow */
}

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

.btn {
  position: relative;
  background: var(--btn-gradient);
  padding: 12px 30px;
  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-dynamic);
  transition: all 0.3s ease;
  font-weight: bold;
  white-space: nowrap; /* Prevent text wrapping for desktop buttons */
}

.btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px);
  box-shadow: 
    0 0 15px var(--neon-primary-dynamic),
    0 0 30px var(--neon-primary-dynamic),
    inset 0 0 15px rgba(87, 227, 141, 0.4);
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

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

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

.footer-col {
  display: flex;
  flex-direction: column;
}

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

.footer-description {
  line-height: 1.6;
  margin-bottom: 15px;
  word-wrap: break-word;
  overflow-wrap: break-word;
  color: var(--text-secondary);
}

.footer-heading {
  font-size: 18px;
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: 600;
}

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

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

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

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

.footer-bottom {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--divider-color);
  color: var(--text-secondary);
}

.footer-bottom p {
  margin: 0;
  line-height: 1.5;
}

/* Anchor slot styling - ensure they are visible and don't hide content */
.footer-slot-anchor-inner {
  min-height: 1px; /* Ensure it takes up minimal space even if empty */
}


/* Responsive Design */
@media (max-width: 768px) {
  :root { --header-offset: 146px; } /* Marquee 36px + Header-top 60px + Mobile-buttons 48px + 2px buffer */

  .marquee-section {
    height: 36px !important;
    padding-top: 0px !important;
    padding-bottom: 0px !important;
    box-sizing: border-box !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;
  }

  .site-header {
    top: 36px; /* Marquee height for mobile */
  }

  .header-top {
    min-height: 60px !important;
    height: 60px !important;
    padding: 0 15px;
    justify-content: space-between; /* To push hamburger left and logo to center */
  }

  .header-container {
    width: 100%;
    max-width: none; /* Crucial for mobile container width */
    padding: 0; /* Handled by header-top */
    justify-content: space-between; /* Hamburger left, logo center, right empty */
  }

  .hamburger-menu {
    display: block; /* Show hamburger menu on mobile */
    order: 1;
  }

  .logo {
    order: 2;
    flex: 1 !important; /* Allow logo to take available space */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 24px;
    padding-left: 0; /* Reset desktop padding */
  }
  .logo img {
    max-height: 56px !important;
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons on mobile */
    justify-content: center;
    align-items: center;
    padding: 8px 15px;
    min-height: 48px;
    flex-wrap: nowrap; /* Ensure buttons stay in one line */
  }

  .mobile-nav-buttons .btn {
    flex: 1; /* Distribute space evenly */
    min-width: 0; /* Allow shrinking */
    max-width: calc(50% - 5px); /* Max width for two buttons with 10px gap */
    padding: 8px 12px; /* Smaller padding for mobile buttons */
    font-size: 13px; /* Smaller font size for mobile buttons */
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word; /* Ensure long words wrap */
    overflow-wrap: break-word;
    text-align: center;
  }

  .main-nav {
    display: none; /* Hidden by default, shown by JS */
    flex-direction: column;
    position: fixed;
    top: 144px; /* Marquee 36px + Header-top 60px + Mobile-buttons 48px */
    left: 0;
    width: 100%;
    height: calc(100% - 144px); /* Full height minus fixed header */
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background for mobile menu */
    overflow-y: auto;
    transition: transform 0.3s ease-out;
    transform: translateX(-100%); /* Off-screen by default */
    z-index: 1000; /* Above overlay */
    border: none; /* Remove border for mobile menu */
    box-shadow: none; /* Remove box-shadow for mobile menu */
  }

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

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

  .nav-link {
    width: 100%;
    padding: 10px 0;
    font-size: 18px;
    border-bottom: 1px solid var(--divider-color);
  }
  .nav-link:last-child {
    border-bottom: none;
  }

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

  .footer-col:not(:last-child) {
    border-bottom: 1px solid var(--divider-color);
    padding-bottom: 20px;
  }

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