:root {
  /* Custom Color Palette - Green Gold */
  --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-color: #0A4B2C;

  /* Neon Colors - adapted from palette for vibrant glow */
  --neon-primary: var(--glow-color); /* Brightest green for primary neon */
  --neon-secondary: var(--secondary-color); /* Secondary green */
  --neon-accent: var(--gold-color); /* Gold for accent */

  /* Header offsets */
  --marquee-height-desktop: 44px;
  --header-top-height-desktop: 68px;
  --main-nav-height-desktop: 52px;
  --header-offset: calc(var(--marquee-height-desktop) + var(--header-top-height-desktop) + var(--main-nav-height-desktop) + 2px); /* +2px for buffer */
}

body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding-top: var(--header-offset);
  background-color: var(--background-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Base Container Styling */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* ==========================================================================
   Neon Animations (Shared for Marquee and Header)
   ========================================================================== */

/* Theme colors flow for borders and shadows */
@keyframes theme-colors {
  0%, 100% {
    border-color: var(--neon-primary);
    box-shadow:
      0 0 8px var(--neon-primary),
      0 0 16px var(--neon-primary),
      inset 0 0 8px rgba(255, 255, 255, 0.1);
  }
  33% {
    border-color: var(--neon-secondary);
    box-shadow:
      0 0 8px var(--neon-secondary),
      0 0 16px var(--neon-secondary),
      inset 0 0 8px rgba(255, 255, 255, 0.1);
  }
  66% {
    border-color: var(--neon-accent);
    box-shadow:
      0 0 8px var(--neon-accent),
      0 0 16px var(--neon-accent),
      inset 0 0 8px rgba(255, 255, 255, 0.1);
  }
}

/* Text glow flow for dynamic text shadows */
@keyframes text-glow-flow {
  0%, 100% {
    text-shadow:
      0 0 4px var(--neon-primary),
      0 0 8px var(--neon-primary),
      0 0 12px var(--neon-primary);
    color: var(--text-main);
  }
  33% {
    text-shadow:
      0 0 4px var(--neon-secondary),
      0 0 8px var(--neon-secondary),
      0 0 12px var(--neon-secondary);
    color: var(--text-main);
  }
  66% {
    text-shadow:
      0 0 4px var(--neon-accent),
      0 0 8px var(--neon-accent),
      0 0 12px var(--neon-accent);
    color: var(--text-main);
  }
}

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

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

/* ==========================================================================
   Marquee Section
   ========================================================================== */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--marquee-height-desktop);
  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 color border */
  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, 0.1);
  z-index: 1001; /* Ensure on top of header */
  display: flex; /* Use flex to center content vertically */
  align-items: center;
}

.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;
  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;
  animation: text-glow-flow 3s ease-in-out infinite alternate; /* Dynamic text glow */
  line-height: 1.5;
  display: inline-block;
  vertical-align: middle;
  cursor: pointer;
  transition: all 0.3s ease;
}

.marquee-text:hover {
  text-shadow:
    0 0 8px var(--neon-primary),
    0 0 16px var(--neon-primary),
    0 0 24px var(--neon-primary),
    0 0 32px 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
   ========================================================================== */
.site-header {
  position: fixed;
  top: var(--marquee-height-desktop); /* Position below marquee */
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent; /* Background is handled by header-top and main-nav */
}

/* Header Top Area (Logo and Desktop Buttons) */
.header-top {
  box-sizing: border-box;
  min-height: var(--header-top-height-desktop);
  height: var(--header-top-height-desktop);
  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 glow */
  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, 0.1);
}

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

/* Logo (No Neon Effects) */
.logo {
  color: var(--text-main); /* Regular text color */
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  text-transform: uppercase; /* Ensure uppercase as per rule */
  flex-shrink: 0;
  padding: 0; /* Remove any default padding that might affect alignment */
  /* NO text-shadow, box-shadow, filter: drop-shadow, or neon animations */
}
.logo img {
  display: block;
  max-height: 60px; /* Max height for desktop logo */
  height: auto;
  width: auto;
  max-width: 280px;
  object-fit: contain;
  /* NO neon effects for image logo */
}

/* Hamburger Menu (Mobile Only) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  width: 40px;
  height: 40px;
  z-index: 1002; /* Above logo on mobile */
  margin-right: 15px;
}

.hamburger-icon {
  display: block;
  width: 28px;
  height: 3px;
  background-color: var(--neon-primary);
  border-radius: 2px;
  position: absolute;
  left: 6px;
  transition: all 0.3s ease;
  box-shadow:
    0 0 3px var(--neon-primary),
    0 0 6px var(--neon-primary);
}
.hamburger-icon:nth-child(1) { top: 10px; }
.hamburger-icon:nth-child(2) { top: 18px; }
.hamburger-icon:nth-child(3) { top: 26px; }

.hamburger-menu.active .hamburger-icon:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
  background-color: var(--neon-accent);
}
.hamburger-menu.active .hamburger-icon:nth-child(2) {
  opacity: 0;
}
.hamburger-menu.active .hamburger-icon:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
  background-color: var(--neon-accent);
}

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

/* Mobile Navigation Buttons (Hidden on Desktop) */
.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
  width: 100%;
  box-sizing: border-box;
  padding: 10px 20px;
  background: linear-gradient(135deg, #1a1a2e, #16213e); /* Dark background */
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border glow */
  box-shadow:
    0 0 8px var(--neon-secondary),
    0 0 16px var(--neon-secondary),
    inset 0 0 8px rgba(255, 255, 255, 0.1);
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap; /* Ensure buttons stay in one line */
}

/* Main Navigation Area */
.main-nav {
  box-sizing: border-box;
  min-height: var(--main-nav-height-desktop);
  height: var(--main-nav-height-desktop);
  width: 100%;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Darker background than header-top */
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border glow */
  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, 0.1);
  display: flex; /* Visible on desktop */
  align-items: center;
  overflow: hidden;
}

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

.nav-link {
  color: var(--text-main); /* Regular text color */
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  padding: 8px 0;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  position: relative;
  white-space: nowrap; /* Prevent wrapping */
  /* NO neon effects for nav links */
}

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

/* Buttons */
.btn {
  position: relative;
  background: var(--button-gradient); /* Use 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 border glow */
  text-shadow:
    0 0 5px var(--text-main),
    0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  font-weight: bold;
  font-size: 15px;
  flex-shrink: 0;
}

.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(255, 255, 255, 0.2);
}

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

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.site-footer {
  background-color: var(--background-color); /* Dark background */
  color: var(--text-secondary);
  padding: 40px 0 20px;
  font-size: 14px;
}

.footer-top-grid {
  max-width: 1200px;
  margin: 0 auto 30px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr); /* First column wider for logo/desc */
  gap: 30px;
  border-bottom: 1px solid var(--divider-color);
  padding-bottom: 30px;
}

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

.footer-logo {
  color: var(--text-main);
  font-size: 20px;
  font-weight: bold;
  text-decoration: none;
  margin-bottom: 15px;
  text-transform: uppercase; /* Ensure uppercase as per rule */
}

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

.footer-heading {
  color: var(--text-main);
  font-size: 16px;
  margin-bottom: 15px;
  font-weight: bold;
}

.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);
}

/* Dynamic Slots */
.footer-dynamic-col,
.footer-dynamic-row {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.footer-dynamic-col .footer-slot-anchor-inner,
.footer-dynamic-row .footer-slot-anchor-inner {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 10px; /* Adjusted gap for better spacing */
  width: 100%;
}

.footer-dynamic-row-1,
.footer-dynamic-row-2 {
  margin-bottom: 20px;
}
.footer-dynamic-row-1 {
  padding-top: 20px;
  border-top: 1px solid var(--divider-color);
}

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

/* ==========================================================================
   Responsive Design (Mobile)
   ========================================================================== */
@media (max-width: 768px) {
  /* Header Offsets for Mobile */
  :root {
    --marquee-height-mobile: 36px;
    --header-top-height-mobile: 60px;
    --main-nav-height-mobile: 48px;
    --mobile-nav-buttons-height: 48px; /* Min-height for mobile buttons */
    --header-offset: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height) + 2px); /* Marquee + Header Top + Mobile Buttons + buffer */
  }

  /* 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;
  }

  /* Marquee Section Mobile */
  .marquee-section {
    height: var(--marquee-height-mobile);
  }
  .marquee-container {
    gap: 10px;
    padding: 0 12px;
  }
  .marquee-icon {
    width: 28px;
    height: 28px;
  }
  .marquee-icon-emoji {
    font-size: 18px;
  }
  .marquee-text {
    font-size: 13px;
  }
  .marquee-separator {
    font-size: 13px;
    margin: 0 10px;
  }
  .marquee-content {
    gap: 20px;
    animation-duration: 25s;
  }

  /* Header Section Mobile */
  .site-header {
    top: var(--marquee-height-mobile); /* Position below mobile marquee */
  }

  .header-top {
    min-height: var(--header-top-height-mobile);
    height: var(--header-top-height-mobile);
    padding: 0 15px; /* Adjust padding for mobile container */
    justify-content: flex-start; /* Align hamburger to start */
  }

  .header-container {
    padding: 0; /* Reset container padding, handled by header-top */
    width: 100%;
    max-width: none; /* Crucial: no max-width on mobile containers */
    justify-content: flex-start; /* Align hamburger to start */
  }

  .hamburger-menu {
    display: block; /* Visible on mobile */
  }

  /* Logo Centering on Mobile (Method 1: Flexbox with !important) */
  .logo {
    flex: 1 !important; /* Take remaining space */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 18px; /* Adjust font size for mobile */
    padding-right: 40px; /* Offset for hamburger on left to visually center */
  }
  .logo img {
    max-height: 40px !important; /* Max height for mobile logo */
  }

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

  /* Mobile Navigation Buttons (Always visible on mobile) */
  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    padding: 8px 15px; /* Smaller padding */
    min-height: var(--mobile-nav-buttons-height); /* Ensure min-height */
  }
  .mobile-nav-buttons .btn {
    flex: 1; /* Equal width for buttons */
    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 */
    text-align: center;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  /* Main Navigation Mobile (Hidden by default, fixed sidebar) */
  .main-nav {
    display: none; /* Hidden by default */
    position: fixed;
    top: 0; /* Start from top of viewport */
    left: 0;
    height: 100%;
    width: 250px; /* Sidebar width */
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding-top: var(--header-offset); /* Push content below fixed header */
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease;
    background: linear-gradient(180deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite; /* Dynamic border glow */
    box-shadow:
      0 0 10px var(--neon-primary),
      0 0 20px var(--neon-primary),
      inset 0 0 20px rgba(255, 255, 255, 0.1);
    z-index: 1000; /* Ensure it's above overlay */
    overflow-y: auto; /* Enable scrolling for long menus */
  }

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

  .main-nav .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 15px;
    width: 100%;
    max-width: none; /* No max-width on mobile containers */
    gap: 15px;
  }
  .nav-link {
    width: 100%;
    padding: 10px 0;
    font-size: 15px;
  }

  /* Footer Section Mobile */
  .site-footer {
    padding: 30px 0 15px;
  }
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 20px;
    padding: 0 15px;
    margin-bottom: 20px;
  }
  .footer-logo {
    font-size: 18px;
  }
  .footer-heading {
    font-size: 15px;
    margin-top: 15px;
  }
  .footer-dynamic-col,
  .footer-dynamic-row {
    padding: 0 15px;
  }
  .footer-dynamic-row-1 {
    padding-top: 15px;
  }
  .footer-bottom {
    padding: 15px 15px 0;
    font-size: 12px;
  }
}

/* Ensure color contrast for text */
body {
  color: var(--text-main);
}
a {
  color: var(--text-secondary); /* Default link color */
}
a:hover {
  color: var(--primary-color);
}
.marquee-text, .marquee-icon-emoji, .marquee-separator {
  color: #fff; /* Ensure white text for neon effect */
}
.btn {
  color: var(--text-main);
}
.footer-heading {
  color: var(--text-main);
}
/* 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;
  }
}