:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --background-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 (derived from palette) */
  --neon-primary: var(--glow-color); /* Bright green glow */
  --neon-secondary: var(--secondary-color); /* A lighter green */
  --neon-accent: var(--gold-color); /* Gold accent */
  
  /* Header Offset - with marquee */
  --header-offset: 166px; 
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  color: var(--text-main);
  background-color: var(--background-color);
  padding-top: var(--header-offset); /* Ensure content is not hidden by fixed header */
  overflow-x: hidden; /* Prevent horizontal scroll on desktop */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--secondary-color);
}

/* --- Keyframe Animations for Neon Effects --- */
@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 (Neon Style) --- */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 44px; /* Desktop fixed height */
  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(87, 227, 141, 0.1); /* General glow */
  z-index: 1001; /* Above header */
}

.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);
}


/* --- Header Section (Neon Style) --- */
.site-header {
  position: fixed;
  top: 44px; /* Below marquee */
  left: 0;
  width: 100%;
  z-index: 1000; /* Below marquee, above content */
}

/* Header Top Area */
.header-top {
  box-sizing: border-box;
  min-height: 68px; /* Desktop fixed height */
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
  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(87, 227, 141, 0.1); /* General glow */
}

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

/* Logo */
.logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--text-main); /* Regular color, NOT neon */
  text-decoration: none;
  flex-shrink: 0;
  padding: 5px 0; /* Vertical padding */
  /* NO neon effects for logo */
}

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

/* Main Navigation Area */
.main-nav {
  box-sizing: border-box;
  min-height: 52px; /* Desktop fixed height */
  height: 52px;
  display: flex; /* Desktop default: visible */
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark background */
  border-top: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  box-shadow: 
    0 0 8px var(--neon-secondary),
    0 0 16px var(--neon-secondary),
    0 0 24px var(--neon-secondary),
    inset 0 0 16px rgba(34, 199, 104, 0.1); /* Different glow color */
}

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

.nav-link {
  color: var(--text-main); /* Regular color, NOT neon */
  text-decoration: none;
  padding: 10px 15px;
  font-weight: 500;
  font-size: 16px;
  white-space: nowrap;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.nav-link:hover {
  color: var(--secondary-color);
  text-shadow: 0 0 5px var(--secondary-color);
}

/* Hamburger Menu (Mobile Only) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  width: 40px;
  height: 40px;
  z-index: 1002; /* Above logo */
  flex-shrink: 0;
}

.hamburger-icon {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--neon-primary); /* Neon color */
  border-radius: 2px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  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-icon::before,
.hamburger-icon::after {
  content: '';
  display: block;
  width: 28px;
  height: 3px;
  background: var(--neon-primary); /* Neon color */
  border-radius: 2px;
  position: absolute;
  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-icon::before {
  top: -8px;
}

.hamburger-icon::after {
  top: 8px;
}

.hamburger-menu.active .hamburger-icon {
  background: transparent;
  box-shadow: none;
}

.hamburger-menu.active .hamburger-icon::before {
  top: 0;
  transform: rotate(45deg);
  background: var(--neon-accent); /* Different neon color for active state */
  box-shadow: 0 0 5px var(--neon-accent), 0 0 10px var(--neon-accent);
}

.hamburger-menu.active .hamburger-icon::after {
  top: 0;
  transform: rotate(-45deg);
  background: var(--neon-accent); /* Different neon color for active state */
  box-shadow: 0 0 5px var(--neon-accent), 0 0 10px var(--neon-accent);
}

/* Mobile Navigation Buttons (Hidden on desktop) */
.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
  box-sizing: border-box;
  min-height: 48px; /* Mobile fixed height */
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background: linear-gradient(135deg, #0f3460, #16213e, #1a1a2e); /* Another dark background */
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

/* Buttons (Neon Style) */
.btn {
  position: relative;
  background: var(--button-gradient); /* Use custom button gradient */
  padding: 12px 30px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  text-shadow: 
    0 0 5px #ffffff,
    0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  font-weight: bold;
  white-space: nowrap; /* Prevent text wrapping on desktop */
  overflow: hidden;
  text-overflow: ellipsis;
  display: block; /* Ensure it behaves like a block for flex layout */
  text-align: center;
  filter: drop-shadow(0 0 5px var(--neon-primary)); /* Added drop shadow for overall glow */
}

.btn:hover {
  animation-duration: 2s; /* Faster animation on hover */
  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(255, 255, 255, 0.3);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999; /* Below main-nav */
  display: none; /* Hidden by default */
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

/* --- Footer Section (Regular Style) --- */
.site-footer {
  background-color: var(--background-color);
  color: var(--text-secondary);
  padding: 40px 20px 20px;
  font-size: 14px;
  line-height: 1.6;
  border-top: 1px solid var(--divider-color);
}

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

.footer-col {
  margin-bottom: 20px;
}

.footer-logo {
  font-size: 22px;
  font-weight: bold;
  color: var(--text-main);
  margin-bottom: 15px;
  display: block;
  text-decoration: none;
}

.footer-description {
  color: var(--text-secondary);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.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(--primary-color);
}

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

/* Dynamic slot styling - ensure visibility but no default content */
.footer-slot-anchor-inner {
  min-height: 10px; /* Ensure slot takes some space if empty */
  width: 100%;
}

/* --- Responsive Design (Mobile First Overrides) --- */
@media (max-width: 768px) {
  /* Header Offset - with marquee on mobile */
  :root {
    --header-offset: 146px; 
  }

  .marquee-section {
    height: 36px !important; /* Mobile fixed height */
    padding-top: 0px !important;
    padding-bottom: 0px !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; /* Below mobile marquee */
  }

  .header-top {
    min-height: 60px !important; /* Mobile fixed height */
    height: 60px !important;
    padding: 0 15px; /* Mobile padding */
  }

  .header-container {
    width: 100%;
    max-width: none; /* No max-width on mobile */
    padding: 0; /* Handled by header-top */
    justify-content: space-between; /* Hamburger left, Logo center */
    position: relative; /* For absolute positioning of logo if needed */
  }

  .hamburger-menu {
    display: block; /* Show hamburger menu on mobile */
    order: 0; /* Leftmost */
  }

  .logo {
    flex: 1 !important; /* Allow logo to take available space for centering */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    order: 1; /* Center */
    font-size: 20px;
  }

  .logo img {
    max-height: 40px !important; /* Mobile logo height */
  }

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

  /* Show mobile navigation buttons */
  .mobile-nav-buttons {
    display: flex !important; /* Show on mobile */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 8px 15px; /* Adjusted padding */
    gap: 10px;
    flex-wrap: nowrap; /* Prevent wrapping */
    justify-content: center;
    order: 2; /* Below header-top */
    min-height: 48px; /* Mobile fixed height */
    height: 48px;
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Two buttons with 10px gap */
    padding: 8px 12px; /* Smaller padding */
    font-size: 13px; /* Smaller font size */
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word;
    overflow-wrap: break-word;
    text-overflow: clip; /* Clip instead of ellipsis if wrapping */
  }

  .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column; /* Vertical menu */
    position: fixed; /* Fixed for slide-in effect */
    top: var(--header-offset); /* Below header */
    left: 0;
    width: 70%; /* Slide-in from left */
    height: calc(100% - var(--header-offset));
    background: var(--background-color);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease-in-out;
    z-index: 1000; /* Above overlay */
    padding: 20px 0;
    overflow-y: auto;
    border: none; /* Remove border from desktop */
    box-shadow: none; /* Remove box shadow from desktop */
  }

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

  .nav-container {
    flex-direction: column;
    padding: 0;
    max-width: none; /* No max-width on mobile */
    width: 100%;
  }

  .nav-link {
    width: 100%;
    padding: 12px 20px;
    border-bottom: 1px solid var(--divider-color);
    text-align: left;
  }

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

  .mobile-menu-overlay {
    top: 0; /* Cover entire screen */
    left: 0;
    height: 100%;
    width: 100%;
  }

  /* Footer */
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 20px;
  }
  
  /* Mobile content overflow prevention */
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}

/* Ensure no-scroll on body */
body.no-scroll {
  overflow: 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;
  }
}