:root {
    /* Base Colors */
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --card-bg: #11271B;
    --bg-color: #08160F;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D; /* Main neon glow color */
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green: #0A4B2C;

    /* Neon Dynamic Colors - derived from main colors */
    --neon-primary: var(--glow-color);
    --neon-secondary: var(--secondary-color);
    --neon-accent: var(--gold-color);
    
    /* Header Offset (with marquee) */
    --header-offset: 166px; /* Desktop: 44px (marquee) + 68px (header-top) + 52px (main-nav) + 2px */
}

/* Body padding to prevent content from being hidden by fixed header */
body {
    padding-top: var(--header-offset);
    overflow-x: hidden; /* For mobile content overflow */
}

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

/* Keyframes for dynamic neon effects */

/* Theme colors flow (recommended for header/buttons) */
@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);
    }
}

/* Text glow flow (recommended for neon text) */
@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(--text-main);
    }
    50% {
        text-shadow: 
            0 0 5px var(--neon-secondary),
            0 0 10px var(--neon-secondary),
            0 0 15px var(--neon-secondary);
        color: var(--text-main);
    }
    100% {
        text-shadow: 
            0 0 5px var(--neon-accent),
            0 0 10px var(--neon-accent),
            0 0 15px var(--neon-accent);
        color: var(--text-main);
    }
}

/* Marquee icon pulse animation */
@keyframes marquee-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.9;
  }
}

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

/* Neon flicker (for classic neon look) */
@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;
  }
}

/* Pulse glow (for buttons/important elements) */
@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;
  }
}

/* Rainbow border (for elements needing a full color cycle) */
@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; }
}

/* General styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-color);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Marquee section styles */
.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: var(--text-main);
  overflow: hidden;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  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, 255, 255, 0.05);
  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: var(--text-main);
  text-decoration: none;
  animation: text-glow-flow 3s ease-in-out infinite alternate;
  line-height: 1.5;
  display: inline-block;
  vertical-align: middle;
  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: var(--text-main);
}

.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 styles */
.site-header {
    position: fixed;
    top: 44px; /* Below marquee */
    left: 0;
    width: 100%;
    z-index: 1000; /* Below marquee, above content */
    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(255, 255, 255, 0.05);
}

.header-top {
    box-sizing: border-box;
    height: 68px; /* Desktop height */
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.logo {
    font-size: 28px;
    font-weight: bold;
    color: var(--text-main); /* Regular color, no neon */
    text-decoration: none;
    line-height: 1;
    display: flex; /* For potential image logo alignment */
    align-items: center;
}
.logo img {
    display: block;
    max-height: 60px; /* Desktop max height */
    height: auto;
    width: auto;
    max-width: 280px;
    object-fit: contain;
}

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

.btn {
    position: relative;
    padding: 12px 25px;
    color: var(--text-main);
    text-decoration: none;
    border-radius: 5px;
    border: 2px solid;
    background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Custom button color */
    animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 
        0 0 10px var(--neon-primary),
        0 0 20px var(--neon-primary),
        inset 0 0 10px rgba(255, 255, 255, 0.1);
    text-shadow: 0 0 5px rgba(255,255,255,0.5);
}

.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, 0.2);
}

.main-nav {
    box-sizing: border-box;
    height: 52px; /* Desktop height */
    display: flex; /* Desktop: visible */
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark background */
    border-top: 1px solid rgba(255, 255, 255, 0.1); /* Subtle separator */
    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-secondary),
        0 0 20px var(--neon-secondary),
        0 0 30px var(--neon-secondary),
        inset 0 0 20px rgba(255, 255, 255, 0.05);
}

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

.nav-link {
    display: block;
    padding: 10px 15px;
    color: var(--text-main);
    font-weight: 500;
    transition: color 0.3s ease, text-shadow 0.3s ease;
    text-shadow: none; /* No neon for regular nav links */
}

.nav-link:hover {
    color: var(--neon-primary);
    text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

.hamburger-menu {
    display: none; /* Hidden on desktop */
    width: 30px;
    height: 20px;
    position: relative;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1002; /* Above logo and mobile buttons */
}

.hamburger-menu .bar {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--neon-primary);
    border-radius: 5px;
    transition: all 0.3s ease;
    box-shadow: 0 0 5px var(--neon-primary); /* Neon glow for bars */
}

.hamburger-menu.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.hamburger-menu.active .bar:nth-child(2) {
    opacity: 0;
}
.hamburger-menu.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

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

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

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

/* Footer styles */
.site-footer {
    background-color: var(--card-bg); /* Darker background for footer */
    color: var(--text-secondary);
    padding: 40px 20px 20px;
    font-size: 14px;
    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 auto;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--divider-color);
}

.footer-col h3 {
    color: var(--text-main);
    font-size: 16px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.footer-logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-main);
    margin-bottom: 15px;
    display: block;
}

.footer-description {
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

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

.footer-nav a {
    color: var(--text-secondary);
    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);
    color: var(--text-secondary);
}

.footer-bottom p {
    margin: 0;
}

/* Slot anchor styling (empty, just for structure) */
.footer-slot-anchor-inner {
  min-height: 1px; /* Ensure it takes up minimal space */
  display: block;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
  .marquee-section {
    height: 36px !important;
    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 {
    height: 60px !important; /* Mobile height */
  }

  .header-container {
    padding: 0 15px;
    width: 100%;
    max-width: none; /* No max-width on mobile */
    justify-content: flex-start; /* Align logo and hamburger */
  }

  .hamburger-menu {
    display: flex; /* Visible on mobile */
    margin-right: auto; /* Push logo to center */
  }

  .logo {
    flex: 1 !important; /* Take remaining space */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
  }
  .logo img {
    max-height: 56px !important; /* Mobile max height */
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Visible on mobile */
    height: 48px;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
    gap: 10px;
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    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, 255, 255, 0.05);
    flex-wrap: nowrap;
    overflow: hidden;
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Account for gap */
    padding: 8px 12px;
    font-size: 13px;
    text-align: center;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .main-nav {
    height: auto;
    position: fixed;
    top: var(--header-offset); /* Below the whole header */
    left: 0;
    width: 250px; /* Sidebar width */
    height: calc(100vh - var(--header-offset)); /* Full height below header */
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    background: linear-gradient(180deg, #1a1a2e, #0f3460);
    border-right: 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 10px rgba(255, 255, 255, 0.1);
    transform: translateX(-100%); /* Hidden by default */
    transition: transform 0.3s ease-out;
    display: none; /* Initially hidden */
    z-index: 1000;
  }

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

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 0;
    width: 100%;
    max-width: none;
  }

  .nav-link {
    width: 100%;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .nav-link:last-child {
    border-bottom: none;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-bottom: 20px;
  }
  .site-footer {
    padding: 30px 15px 15px;
  }
  .footer-col:not(:last-child) {
    border-bottom: 1px solid var(--divider-color);
    padding-bottom: 20px;
  }
  .footer-col h3 {
    margin-top: 10px;
  }

  /* Mobile content area 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;
  }
}