/* Global Variables */
  :root {
    --primary-color: #11A84E; /* Green Gold */
    --secondary-color: #22C768;
    --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 theme */
    --neon-primary: var(--glow-color); /* #57E38D */
    --neon-secondary: var(--primary-color); /* #11A84E */
    --neon-accent: var(--gold-color); /* #F2C14E */

    --header-offset: 166px; /* Desktop: Marquee(44) + HeaderTop(68) + MainNav(52) + 2px buffer */
  }

  body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background-color: var(--background-color);
    color: var(--text-main);
    padding-top: var(--header-offset);
    overflow-x: hidden; /* Prevent horizontal scroll */
  }

  /* Animations for dynamic 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), 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-secondary), 0 0 20px var(--neon-accent); }
    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: var(--neon-primary); box-shadow: 0 0 20px var(--neon-primary); }
    20% { border-color: var(--neon-secondary); box-shadow: 0 0 20px var(--neon-secondary); }
    40% { border-color: var(--neon-accent); box-shadow: 0 0 20px var(--neon-accent); }
    60% { border-color: var(--neon-primary); box-shadow: 0 0 20px var(--neon-primary); }
    80% { border-color: var(--neon-secondary); box-shadow: 0 0 20px var(--neon-secondary); }
    100% { border-color: var(--neon-accent); box-shadow: 0 0 20px var(--neon-accent); }
  }

  @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: 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); }
  }

  @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; }
  }

  /* Marquee Section Styles */
  .marquee-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 44px; /* Desktop fixed height */
    box-sizing: border-box;
    background: linear-gradient(135deg, var(--deep-green), var(--background-color), var(--card-bg));
    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(87, 227, 141, 0.1); /* Using glow-color */
    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));
  }

  @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: var(--text-main);
    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: 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);
  }

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

  /* Header Section Styles */
  .site-header {
    position: fixed;
    top: 44px; /* Below marquee */
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(135deg, var(--deep-green), var(--background-color), var(--card-bg));
    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(87, 227, 141, 0.1); /* Using glow-color */
  }

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

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

  .logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-main); /* Logo is regular text, no neon */
    text-decoration: none;
    flex-shrink: 0;
    display: block; /* Ensure visibility */
  }
  .logo img {
    display: block;
    max-height: 60px;
    height: auto;
    width: auto;
    max-width: 280px;
    object-fit: contain;
  }

  .desktop-nav-buttons {
    display: flex; /* Default desktop display */
    gap: 10px;
    align-items: center;
  }

  .mobile-nav-buttons {
    display: none; /* Default desktop hidden */
    box-sizing: border-box;
    min-height: 48px;
    padding: 0 15px;
    background: linear-gradient(135deg, var(--deep-green), var(--background-color));
    border-top: 1px solid var(--divider-color);
    border-bottom: 1px solid var(--divider-color);
    align-items: center;
    justify-content: center;
  }

  .main-nav {
    box-sizing: border-box;
    min-height: 52px;
    height: 52px;
    display: flex; /* Default desktop display */
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--card-bg), var(--deep-green));
    border-top: 2px solid;
    animation: alternate-colors 4s ease-in-out infinite; /* Different neon effect for main nav */
    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(34, 199, 104, 0.1); /* Using secondary-color */
  }

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

  .nav-link {
    color: var(--text-main);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 10px 15px;
    transition: color 0.3s ease, text-shadow 0.3s ease;
    white-space: nowrap; /* Prevent wrapping */
  }

  .nav-link:hover {
    color: var(--glow-color); /* Highlight with glow color */
    text-shadow: 0 0 8px var(--glow-color);
  }

  /* Hamburger Menu */
  .hamburger-menu {
    display: none; /* Default desktop hidden */
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    cursor: pointer;
    z-index: 1002;
    position: relative;
    padding: 5px;
    order: 1;
    margin-right: auto;
  }

  .hamburger-menu .bar {
    width: 100%;
    height: 3px;
    background-color: var(--text-main);
    transition: all 0.3s ease;
    border-radius: 2px;
    box-shadow: 0 0 5px var(--neon-primary); /* Neon effect for bars */
  }

  .hamburger-menu.active .bar:nth-child(1) { transform: translateY(11px) rotate(45deg); }
  .hamburger-menu.active .bar:nth-child(2) { opacity: 0; }
  .hamburger-menu.active .bar:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

  /* Buttons */
  .btn {
    position: relative;
    background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Custom button gradient */
    padding: 12px 25px;
    color: var(--text-main);
    text-decoration: none;
    border-radius: 5px;
    border: 2px solid;
    animation: theme-colors 4s ease-in-out infinite; /* Dynamic theme colors */
    text-shadow:
      0 0 5px var(--text-main),
      0 0 10px var(--neon-primary);
    transition: all 0.3s ease;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .btn:hover {
    animation-duration: 2s; /* Faster color change on hover */
    transform: translateY(-2px) scale(1.02);
    box-shadow:
      0 0 15px var(--neon-primary),
      0 0 30px var(--neon-primary),
      inset 0 0 15px rgba(87, 227, 141, 0.5); /* Enhanced glow on hover */
  }

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

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

  /* Footer Styles */
  .site-footer {
    background-color: var(--background-color);
    color: var(--text-secondary);
    padding: 40px 20px 20px;
    font-size: 14px;
    line-height: 1.6;
  }

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

  .footer-col {
    padding: 10px 0;
  }

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

  .footer-description {
    margin-top: 10px;
    color: var(--text-secondary);
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .footer-heading {
    font-size: 18px;
    color: var(--text-main);
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 5px;
  }
  .footer-heading::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
  }

  .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;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--divider-color);
  }

  .copyright {
    margin: 0;
    color: var(--text-secondary);
  }

  /* Dynamic Slot Anchors - ensure they are visible if content is injected */
  .footer-slot-anchor-inner {
    min-height: 1px; /* Ensure element exists for injection */
    display: block;
  }
  .footer-dynamic-col {
    display: flex; /* Ensure flex context for injected content */
    flex-direction: column;
  }

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

    /* Marquee */
    .marquee-section {
      height: 36px !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 */
    .site-header {
      top: 36px; /* Below mobile marquee */
    }

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

    .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 logo centering */
    }

    .hamburger-menu {
      display: flex; /* Show hamburger on mobile */
      order: 1; /* Left side */
      margin-right: auto; /* Push logo to center */
    }

    .logo {
      order: 2; /* Center */
      flex: 1 !important; /* Allow flex to center */
      display: flex !important;
      justify-content: center !important;
      align-items: center !important;
      position: absolute; /* Absolute positioning for precise centering */
      left: 50%;
      transform: translateX(-50%);
      max-width: calc(100% - 100px); /* Account for hamburger and potential right-side element */
    }
    .logo img {
      max-height: 56px !important; /* Mobile logo height */
    }

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

    .mobile-nav-buttons {
      display: flex !important; /* Show mobile buttons on mobile */
      width: 100%;
      max-width: 100%;
      box-sizing: border-box;
      padding: 8px 15px;
      gap: 10px;
      flex-wrap: nowrap; /* Ensure buttons stay in one line */
      justify-content: center;
      min-height: 48px;
      height: 48px;
    }

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

    .main-nav {
      display: none; /* Hidden by default on mobile, shown by JS */
      flex-direction: column;
      position: fixed;
      top: 146px; /* Below header and mobile buttons */
      left: 0;
      width: 70%; /* Side menu width */
      height: calc(100% - 146px); /* Full height minus header */
      background: linear-gradient(180deg, var(--card-bg), var(--deep-green));
      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(34, 199, 104, 0.1);
      transform: translateX(-100%); /* Start off-screen */
      transition: transform 0.3s ease;
      z-index: 1000; /* Above overlay */
      overflow-y: auto; /* Enable scrolling for long menus */
      align-items: flex-start; /* Align menu items left */
      padding-top: 20px;
    }

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

    .nav-container {
      flex-direction: column;
      align-items: flex-start;
      padding: 0 15px;
      width: 100%;
      max-width: none; /* No max-width on mobile */
    }

    .nav-link {
      width: 100%;
      padding: 12px 0;
      border-bottom: 1px solid var(--divider-color);
      text-align: left;
    }
    .nav-link:last-child {
      border-bottom: none;
    }

    /* Footer */
    .footer-top-grid {
      grid-template-columns: 1fr; /* Single column on mobile */
    }
    .footer-col {
      text-align: center;
    }
    .footer-heading::after {
      left: 50%;
      transform: translateX(-50%);
    }
    .footer-nav {
      text-align: center;
    }

    /* General 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;
    }
    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;
  }
}