:root {
  --primary-color: #F2C14E;
  --accent-color: #FFD36B;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  --card-bg: #111111;
  --background-color: #0A0A0A;
  --text-main-color: #FFF6D6;
  --border-color: #3A2A12;
  --glow-color: #FFD36B;
  --header-offset: 122px; /* Desktop: 68px (top bar) + 52px (main nav) = 120px + 2px buffer */
}

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

/* Fixed Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--card-bg); /* Use a darker background for the header for contrast */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5); /* Suspended effect */
  z-index: 1000;
  min-height: 60px; /* Ensure content fits, not fixed height */
  display: flex; /* Ensure it behaves as a flex container */
  align-items: center; /* Vertically align content */
  border-bottom: 1px solid var(--border-color);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 30px; /* Desktop padding */
  display: flex;
  align-items: center;
  width: 100%; /* Ensure container takes full width of header */
}

/* Logo */
.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  flex-shrink: 0; /* Prevent logo from shrinking */
  order: 1; /* Desktop order */
  padding-right: 20px; /* Space between logo and nav */
  text-shadow: 0 0 8px var(--glow-color); /* Add a subtle glow */
}

/* Main Navigation (Desktop First) */
.main-nav {
  flex: 1; /* Occupy middle space */
  display: flex;
  flex-direction: row; /* Desktop horizontal */
  justify-content: center; /* Center nav items */
  align-items: center;
  gap: 25px; /* Spacing between nav links */
  order: 2; /* Desktop order */
}

.main-nav .nav-link {
  color: var(--text-main-color);
  text-decoration: none;
  font-weight: bold;
  padding: 5px 0;
  position: relative;
  transition: color 0.3s ease;
}

.main-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.main-nav .nav-link:hover,
.main-nav .nav-link.active {
  color: var(--primary-color);
}

.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after {
  width: 100%;
}

/* Buttons (Desktop First) */
.desktop-nav-buttons {
  display: flex; /* Desktop: visible */
  gap: 10px;
  margin-left: auto; /* Push buttons to the right */
  flex-shrink: 0; /* Prevent buttons from shrinking */
  order: 3; /* Desktop order */
}

.mobile-nav-buttons {
  display: none !important; /* Desktop: hidden */
}

.btn {
  padding: 10px 20px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  color: var(--text-main-color); /* Text Main for buttons */
  background: var(--button-gradient); /* Custom button gradient */
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4), 0 0 15px var(--glow-color);
}

/* Hamburger Menu (Hidden on Desktop) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  font-size: 30px;
  color: var(--primary-color);
  cursor: pointer;
  z-index: 1001; /* Above other elements */
  padding: 5px;
  flex-shrink: 0;
  order: 1; /* Mobile order */
}

/* Mobile Menu Overlay (Hidden on Desktop) */
.mobile-menu-overlay {
  display: none; /* Hidden on desktop */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 998; /* Below menu, above content */
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

/* Footer Styles */
.site-footer {
  background-color: var(--card-bg);
  padding: 40px 0 20px;
  border-top: 1px solid var(--border-color);
  color: var(--text-main-color);
  text-align: center;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: left;
}

.footer-col h3 {
  color: var(--primary-color);
  font-size: 18px;
  margin-bottom: 15px;
  text-shadow: 0 0 5px rgba(0,0,0,0.5);
}

.footer-logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
  text-shadow: 0 0 8px var(--glow-color);
}

.footer-description {
  font-size: 14px;
  line-height: 1.8;
  color: #C0C0C0; /* Slightly lighter for description */
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.footer-nav a {
  display: block;
  color: var(--text-main-color);
  text-decoration: none;
  margin-bottom: 8px;
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: #A0A0A0; /* Subtler for copyright */
}

/* Mobile Styles */
@media (max-width: 768px) {
  :root {
    --header-offset: 110px; /* Mobile: 60px (top bar) + 48px (main nav) = 108px + 2px buffer */
  }

  body {
    padding-top: var(--header-offset); /* Apply mobile offset */
    overflow-x: hidden; /* Ensure body prevents horizontal scroll */
  }

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

  .site-header {
    min-height: 50px; /* Adjust min-height for mobile */
  }

  .header-container {
    width: 100%; /* Mobile: full width */
    max-width: none; /* Mobile: no max-width */
    padding: 10px 15px; /* Mobile padding */
    justify-content: space-between; /* Space out items */
  }

  /* Hamburger Menu (Visible on Mobile) */
  .hamburger-menu {
    display: block; /* Visible on mobile */
    order: 1;
  }

  /* Logo (Mobile Centered) */
  .logo {
    flex: 1 !important; /* Use flex to center */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 24px;
    padding-right: 0; /* Remove right padding */
    order: 2;
  }

  /* Main Navigation (Hidden by default on Mobile, becomes a drawer) */
  .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column; /* Vertical */
    position: fixed; /* Fixed position for drawer */
    top: var(--header-offset); /* Start below header */
    left: 0;
    width: 250px; /* Drawer width */
    height: calc(100% - var(--header-offset)); /* Full height below header */
    background-color: var(--card-bg); /* Drawer background */
    padding: 20px;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease;
    z-index: 999; /* Below overlay, above content */
    align-items: flex-start; /* Align links to left */
    gap: 15px; /* Spacing between nav links */
  }

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

  .main-nav .nav-link {
    width: 100%; /* Full width for links */
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
  }
  .main-nav .nav-link:last-child {
    border-bottom: none;
  }
  .main-nav .nav-link::after {
    display: none; /* Remove underline animation for mobile menu */
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Visible on mobile */
    gap: 8px;
    order: 3;
    margin-left: auto; /* Push to right */
  }

  .mobile-nav-buttons .btn {
    padding: 8px 15px; /* Smaller buttons for mobile */
    font-size: 14px;
    border-radius: 20px;
  }

  /* Footer Mobile */
  .footer-container {
    grid-template-columns: 1fr; /* Single column layout */
    padding: 0 20px;
    text-align: center;
  }

  .footer-col {
    margin-bottom: 30px;
  }

  .footer-col:last-child {
    margin-bottom: 0;
  }

  .footer-col h3 {
    margin-bottom: 10px;
  }

  .footer-nav a {
    margin-bottom: 5px;
  }

  .footer-logo {
    margin-bottom: 10px;
  }

  .footer-description {
    font-size: 13px;
  }

  .footer-bottom {
    margin-top: 30px;
    padding-top: 15px;
  }
}

/* Ensure body padding-top is not overridden by other selectors */
.page-xxx {
  padding-top: 0 !important; /* Reset any page-specific padding-top */
}
.__hero-section, .__video-section, .__title-section {
  padding-top: 10px; /* Small decorative top padding, not header offset */
}
/* 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;
  }
}