: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-primary: #57E38D; /* Fluorescent green from Glow */
  --neon-secondary: #2AD16F; /* Brighter green from button start */
  --neon-accent: #F2C14E; /* Gold for contrast */
  --header-offset: 166px; /* 44px (marquee) + 68px (header-top) + 52px (main-nav) + 2px buffer */
}

/* Dynamic Neon Glow Animations */
@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(87, 227, 141, 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(42, 209, 111, 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(242, 193, 78, 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: #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%); } }
@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 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 var(--neon-primary), 0 0 20px var(--neon-secondary); } 50% { background-position: 100% 50%; box-shadow: 0 0 10px var(--neon-accent), 0 0 20px var(--neon-primary); } 100% { background-position: 0% 50%; box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-secondary); } }
@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 led-blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0.3; } }

/* General */
body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding-top: var(--header-offset); /* Critical: body padding for fixed header */
  background-color: var(--background-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden; /* Prevent horizontal scroll on desktop too */
}
a { text-decoration: none; color: inherit; }

/* Marquee Section */
.marquee-section {
  position: fixed; top: 0; left: 0; width: 100%; height: 44px; /* Desktop 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);
  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);
}

/* Site Header (Fixed) */
.site-header {
  position: fixed; top: 44px; left: 0; width: 100%;
  z-index: 1000;
  box-sizing: border-box;
  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);
}

/* Header Top Section (Logo + Buttons) */
.header-top {
  box-sizing: border-box; min-height: 68px; height: 68px;
  display: flex; align-items: center; overflow: hidden;
  padding: 0 20px; /* Outer padding for small screens */
}
.header-container {
  box-sizing: border-box; width: 100%; max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; /* Inner padding for container */
}

/* Logo (No Neon) */
.logo {
  font-size: 28px; font-weight: bold; color: #ffffff; text-decoration: none;
  flex-shrink: 0; /* Prevent logo from shrinking */
}
.logo img {
  display: block; max-height: 60px; height: auto; width: auto; max-width: 280px; object-fit: contain;
}

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

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

/* Main Navigation (Desktop) */
.main-nav {
  box-sizing: border-box; min-height: 52px; height: 52px;
  display: flex; flex-direction: row; justify-content: center; align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark background */
  border-top: 2px solid; animation: alternate-colors 4s ease-in-out infinite; /* Dynamic border color */
  box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary), 0 0 30px var(--neon-secondary), inset 0 0 20px rgba(42, 209, 111, 0.1);
  padding: 0 20px; /* Outer padding for small screens */
}
.nav-container {
  box-sizing: border-box; width: 100%; max-width: 1200px; margin: 0 auto;
  display: flex; flex-direction: row; justify-content: center; align-items: center;
  gap: 25px;
}
.nav-link {
  font-size: 16px; font-weight: 500; color: var(--text-main);
  padding: 8px 0; transition: color 0.3s ease;
  white-space: nowrap; /* Prevent nav links from wrapping on desktop */
}
.nav-link:hover { color: var(--neon-primary); }

/* Hamburger Menu (Hidden on Desktop) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
}
.mobile-menu-overlay {
  display: none; /* Hidden on desktop */
}

/* Buttons */
.btn {
  position: relative;
  background: var(--button-gradient); /* Custom button gradient */
  padding: 12px 20px;
  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-size: 15px; font-weight: bold;
  white-space: nowrap; /* Prevent button text from wrapping on desktop */
}
.btn:hover { animation-duration: 2s; transform: translateY(-2px); }

/* Site Footer */
.site-footer {
  background-color: var(--deep-green); /* Dark green from palette */
  color: var(--text-secondary);
  padding: 40px 20px 20px;
  font-size: 14px;
  line-height: 1.8;
  box-sizing: border-box;
}
.footer-top-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  max-width: 1200px; margin: 0 auto 30px;
  padding: 0 20px; /* Inner padding for grid */
}
.footer-col h3 {
  color: var(--text-main);
  font-size: 18px; margin-bottom: 15px;
  position: relative;
}
.footer-col h3::after {
  content: ''; position: absolute; left: 0; bottom: -5px;
  width: 40px; height: 2px; background-color: var(--primary-color);
}
.footer-logo {
  font-size: 24px; font-weight: bold; color: var(--text-main);
  text-decoration: none; display: block; margin-bottom: 15px;
}
.footer-description {
  margin-bottom: 20px;
  word-wrap: break-word; overflow-wrap: break-word;
}
.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 {
  max-width: 1200px; margin: 0 auto;
  padding-top: 20px; text-align: center;
  border-top: 1px solid var(--divider-color); /* Divider from palette */
  color: var(--text-secondary);
}
.footer-slot-anchor-inner { /* Empty by default, for dynamic content */
  min-height: 10px; /* Ensure it takes up some space if empty */
}

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

  /* Marquee */
  .marquee-section { height: 36px !important; padding-top: 0 !important; padding-bottom: 0 !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 */
  .site-header { top: 36px; }
  .header-top { min-height: 60px !important; height: 60px !important; padding: 0 15px; }
  .header-container { width: 100%; max-width: none; padding: 0; justify-content: space-between; position: relative; }
  
  /* Hamburger Menu (Visible on Mobile) */
  .hamburger-menu {
    display: flex; flex-direction: column; justify-content: space-around;
    width: 30px; height: 25px; background: transparent; border: none;
    cursor: pointer; padding: 0; z-index: 1001;
    position: relative; left: 0;
    margin-left: 0px; /* Aligned to container edge */
    animation: text-glow-flow 3s ease-in-out infinite alternate;
    box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
  }
  .hamburger-menu span {
    display: block; width: 100%; height: 3px; background-color: #ffffff;
    border-radius: 3px; transition: all 0.3s ease-in-out;
    position: relative;
  }
  .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 (Centered on Mobile) */
  .logo {
    flex: 1 !important;
    display: flex !important; justify-content: center !important; align-items: center !important;
    font-size: 24px;
    position: absolute !important; /* Force center */
    left: 50% !important; transform: translateX(-50%) !important;
    width: auto; max-width: calc(100% - 100px); /* Leave space for hamburger */
    z-index: 1;
  }
  .logo img { max-height: 56px !important; }

  /* Desktop Nav Buttons (Hidden on Mobile) */
  .desktop-nav-buttons { display: none !important; }

  /* Mobile Nav Buttons (Visible on Mobile, independent row) */
  .mobile-nav-buttons {
    display: flex !important; /* Visible on mobile */
    align-items: center; justify-content: center;
    box-sizing: border-box; width: 100%; max-width: 100%;
    min-height: 48px; height: 48px;
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
    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), inset 0 0 10px rgba(87, 227, 141, 0.1);
    padding: 0 15px; gap: 10px; flex-wrap: nowrap;
  }
  .mobile-nav-buttons .btn {
    flex: 1; min-width: 0; max-width: calc(50% - 5px);
    padding: 8px 12px; font-size: 13px;
    white-space: normal; word-wrap: break-word; overflow-wrap: break-word;
    text-align: center;
  }

  /* Main Navigation (Mobile - hidden by default, slides in) */
  .main-nav {
    display: none; /* Hidden by default */
    position: fixed; top: 144px; /* Below marquee + header-top + mobile-nav-buttons */
    left: 0; width: 80%; max-width: 300px; height: calc(100% - 144px);
    background: linear-gradient(135deg, #1a1a2e, #0a0a0a);
    flex-direction: column; justify-content: flex-start; align-items: flex-start;
    padding: 20px; box-sizing: border-box;
    transform: translateX(-100%); transition: transform 0.3s ease-in-out;
    z-index: 1000;
    border-right: 2px solid; animation: alternate-colors 4s ease-in-out infinite;
    box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary), inset 0 0 20px rgba(42, 209, 111, 0.1);
  }
  .main-nav.active {
    display: flex; /* Show menu when active */
    transform: translateX(0);
  }
  .nav-container {
    flex-direction: column; align-items: flex-start;
    width: 100%; max-width: none; margin: 0; gap: 15px;
    padding: 0;
  }
  .nav-link {
    width: 100%; padding: 10px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 18px;
  }
  .nav-link:last-child { border-bottom: none; }

  /* Mobile Menu Overlay */
  .mobile-menu-overlay {
    display: none;
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7); z-index: 999;
    transition: opacity 0.3s ease-in-out;
    opacity: 0;
  }
  .mobile-menu-overlay.active {
    display: block;
    opacity: 1;
  }

  /* Footer */
  .footer-top-grid { grid-template-columns: 1fr; padding: 0 15px; }
  .footer-col { text-align: left; }
  .footer-col h3::after { margin: 0; }
  .footer-logo { text-align: left; }
  .footer-bottom { padding: 15px; }

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