: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 specific colors, derived from theme but made vibrant */
  --neon-primary: var(--glow-color); /* #57E38D */
  --neon-secondary: #2AD16F; /* From button gradient */
  --neon-accent: var(--gold-color); /* #F2C14E */

  /* Header offset with marquee (44px desktop / 36px mobile) */
  --header-offset: 166px; /* Marquee 44px + Header Top 68px + Main Nav 52px = 164px + 2px safety */
}

body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  color: var(--text-main);
  background-color: var(--background-color);
  line-height: 1.6;
  padding-top: var(--header-offset);
  overflow-x: hidden; /* Ensure body doesn't overflow */
}

/* 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 Styles */
.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 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, 0, 255, 0.1);
  z-index: 1001; /* Ensure on top of 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; /* Dynamic color glow */
  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); /* Dynamic color glow */
  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 Styles */
.site-header {
  position: fixed;
  top: 44px; /* Below marquee */
  left: 0;
  width: 100%;
  z-index: 1000; /* Below marquee */
  box-sizing: border-box;
}

.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 color border */
  box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), inset 0 0 10px rgba(0, 255, 255, 0.1);
}

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

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #ffffff; /* Regular color for logo */
  text-decoration: none;
  display: block; /* Ensure logo is visible */
  /* NO neon effects for logo */
}

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

.mobile-nav-buttons {
  display: none; /* Desktop default: hide mobile buttons */
}

.hamburger-menu {
  display: none; /* Desktop default: hide hamburger */
}

.main-nav {
  box-sizing: border-box;
  min-height: 52px; /* Desktop fixed height */
  height: 52px;
  display: flex; /* Desktop default: show menu */
  flex-direction: row; /* Desktop default: horizontal */
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark background for contrast */
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite reverse; /* Dynamic color border, reversed for contrast */
  box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary), inset 0 0 10px rgba(0, 255, 255, 0.1);
}

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

.nav-link {
  color: var(--text-main); /* Regular color for nav links */
  text-decoration: none;
  padding: 10px 15px;
  font-weight: 500;
  transition: color 0.3s ease, transform 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--glow-color);
  transform: translateY(-2px);
}

/* Buttons */
.btn {
  position: relative;
  background: var(--button-gradient); /* Specific button gradient */
  padding: 12px 25px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic color border */
  text-shadow: 0 0 5px #ffffff, 0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}

.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), inset 0 0 15px rgba(102, 126, 234, 0.4);
}

/* Mobile Menu Overlay */
.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;
  transition: opacity 0.3s ease;
  opacity: 0;
}

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

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

.footer-top-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* 4 columns desktop */
  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;
  font-weight: 600;
}

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

.footer-description {
  line-height: 1.6;
  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(--glow-color);
}

.footer-dynamic-row {
  max-width: 1200px;
  margin: 20px auto;
  padding: 15px 0;
  border-top: 1px solid var(--divider-color);
  border-bottom: 1px solid var(--divider-color);
}

.footer-slot-anchor-inner {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px; /* Default gap for mid slots */
  width: 100%;
}

/* Specific gap for footer_slot_col_4 for tighter icons */
.footer-col.footer-dynamic-col .footer-slot-anchor-inner {
  gap: 5px;
}

.footer-slot-anchor-inner img {
  max-height: 50px;
  height: auto;
  width: auto;
  object-fit: contain;
}

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

.footer-bottom p {
  margin: 0;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  :root {
    --header-offset: 146px; /* Marquee 36px + Header Top 60px + Mobile Buttons 48px = 144px + 2px safety */
  }

  /* Shared img 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;
  }

  /* Marquee Mobile */
  .marquee-section {
    height: 36px !important; /* Mobile fixed height */
    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;
  }

  /* Header Mobile */
  .site-header {
    top: 36px; /* Below mobile marquee */
  }

  .header-top {
    min-height: 60px !important; /* Mobile fixed height */
    height: 60px !important;
  }
  .header-container {
    padding: 0 15px; /* Mobile container padding */
    max-width: none; /* Mobile container full width */
    width: 100%;
    justify-content: flex-start; /* Align hamburger left */
  }

  .logo {
    flex: 1 !important; /* Take remaining space */
    display: flex !important; /* Use flex to center child */
    justify-content: center !important; /* Center logo */
    align-items: center !important;
    font-size: 20px;
    max-width: calc(100% - 60px); /* Prevent logo from overlapping hamburger */
  }

  .desktop-nav-buttons {
    display: none; /* 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: 10px 15px;
    overflow: hidden;
    gap: 10px;
    justify-content: center;
    flex-wrap: nowrap; /* Ensure buttons stay on one line */
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite; /* Dynamic color border */
    box-shadow: 0 0 8px var(--neon-primary), 0 0 16px var(--neon-primary), inset 0 0 8px rgba(0, 255, 255, 0.1);
    min-height: 48px; /* Mobile buttons height */
    height: 48px;
  }

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

  .hamburger-menu {
    display: block; /* Show hamburger on mobile */
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    margin-right: 15px; /* Space from logo */
    z-index: 1002; /* Above logo and overlay */
    order: -1; /* Place at the beginning */
  }

  .hamburger-menu::before,
  .hamburger-menu::after,
  .hamburger-menu span {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: var(--neon-primary); /* Neon color for lines */
    border-radius: 2px;
    left: 0;
    transition: all 0.3s ease;
    box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary); /* Neon glow */
  }

  .hamburger-menu::before { top: 0; }
  .hamburger-menu span { top: 50%; transform: translateY(-50%); }
  .hamburger-menu::after { bottom: 0; }

  .hamburger-menu.active::before { transform: translateY(10.5px) rotate(45deg); }
  .hamburger-menu.active span { opacity: 0; }
  .hamburger-menu.active::after { transform: translateY(-10.5px) rotate(-45deg); }

  .main-nav {
    display: none; /* Mobile default: hide menu */
    position: fixed;
    top: 146px; /* Below mobile header + buttons */
    left: 0;
    width: 80%; /* Drawer width */
    max-width: 300px; /* Max drawer width */
    height: calc(100% - 146px); /* Full height below header */
    flex-direction: column; /* Vertical menu */
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite; /* Dynamic color border */
    box-shadow: 0 0 15px var(--neon-primary), 0 0 30px var(--neon-primary), inset 0 0 20px rgba(0, 255, 255, 0.1);
    transform: translateX(-100%); /* Hidden by default */
    transition: transform 0.3s ease;
    z-index: 1000; /* Above overlay */
    overflow-y: auto; /* Allow scrolling for long menus */
    padding-bottom: 20px;
  }

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

  .nav-container {
    flex-direction: column; /* Vertical links */
    align-items: flex-start;
    padding: 20px 15px;
    max-width: none; /* Full width */
    width: 100%;
  }

  .nav-link {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    font-size: 16px;
  }

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

  /* Footer Mobile */
  .site-footer {
    padding: 30px 15px 15px;
  }

  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column mobile */
    gap: 20px;
    margin-bottom: 20px;
    padding-bottom: 20px;
  }

  .footer-dynamic-row {
    margin: 15px auto;
    padding: 10px 0;
  }

  .footer-bottom {
    margin-top: 15px;
    padding-top: 15px;
  }
}
/* 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;
  }
}