:root {
  --primary-color: #C61F1F;
  --secondary-color: #E53030;
  --button-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  --card-bg: #2A1212;
  --background-color: #140C0C;
  --text-main-color: #FFF1E8;
  --border-color: #6A1E1E;
  --gold-color: #F3C54D;
  --deep-red-color: #7E0D0D;

  /* Header Offset - No marquee */
  --header-offset: 122px; /* Desktop: 68px (header-top) + 52px (main-nav) */
}

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

a {
  text-decoration: none;
  color: var(--gold-color); /* Default link color */
}

a:hover {
  color: var(--gold-color);
  opacity: 0.8;
}

/* Site Header - Fixed position */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  background-color: transparent; /* Background set by child elements */
  box-sizing: border-box;
  overflow-x: hidden; /* Prevent header content overflow */
}

/* Header Top - Logo and Desktop Buttons */
.header-top {
  box-sizing: border-box;
  min-height: 68px; /* Desktop height */
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--deep-red-color); /* Different from main-nav */
  width: 100%;
}

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

.logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--gold-color);
  text-transform: uppercase;
  display: flex;
  align-items: center; /* Vertically center text logo */
  height: 100%; /* Ensure logo text is centered within header-top */
}

.logo img { /* If logo is an image */
  display: block;
  max-height: 60px; /* Desktop max height */
  height: auto;
  width: auto;
  max-width: 280px;
  object-fit: contain;
}

.desktop-nav-buttons {
  display: flex; /* Always flex for desktop */
  gap: 12px;
  align-items: center;
}

/* Mobile Nav Buttons - Hidden by default on desktop */
.mobile-nav-buttons {
  box-sizing: border-box;
  display: none; /* Hidden on desktop */
  min-height: 48px; /* Mobile height */
  background-color: var(--primary-color); /* Consistent with main-nav on mobile */
  width: 100%;
  padding: 0 15px; /* Adjust padding for mobile */
}

/* Main Navigation */
.main-nav {
  box-sizing: border-box;
  min-height: 52px; /* Desktop height */
  height: 52px;
  display: flex; /* Desktop: visible, row layout */
  align-items: center;
  overflow: hidden;
  background-color: var(--primary-color); /* Different from header-top */
  width: 100%;
}

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

.nav-link {
  color: var(--text-main-color);
  padding: 10px 15px;
  font-weight: bold;
  white-space: nowrap;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-link:hover {
  background-color: var(--secondary-color);
  color: #fff; /* Ensure good contrast on hover */
}

/* Buttons */
.btn {
  padding: 10px 18px;
  border-radius: 25px;
  background: var(--button-gradient);
  color: #fff; /* White text for buttons */
  font-weight: bold;
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  text-decoration: none; /* Remove underline for buttons */
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  opacity: 1; /* Override default link hover opacity */
}

/* Hamburger Menu - Hidden on desktop */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001; /* Above header-top */
  position: relative;
}

.hamburger-icon {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--gold-color);
  position: relative;
  transition: background-color 0.3s ease;
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: '';
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--gold-color);
  position: absolute;
  transition: transform 0.3s ease;
}

.hamburger-icon::before {
  top: -8px;
}

.hamburger-icon::after {
  top: 8px;
}

/* Hamburger Menu Active State */
.hamburger-menu.active .hamburger-icon {
  background-color: transparent;
}

.hamburger-menu.active .hamburger-icon::before {
  transform: translateY(8px) rotate(45deg);
}

.hamburger-menu.active .hamburger-icon::after {
  transform: translateY(-8px) rotate(-45deg);
}

/* Overlay for 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;
  cursor: pointer;
}

.overlay.active {
  display: block;
}

/* Footer Styles */
.site-footer {
  background-color: var(--card-bg); /* Use card-bg for footer background */
  color: var(--text-main-color);
  padding: 40px 20px 10px;
  border-top: 1px solid var(--border-color);
  box-sizing: border-box;
}

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

.footer-col h3 {
  color: var(--gold-color);
  font-size: 18px;
  margin-bottom: 15px;
}

.footer-logo {
  font-size: 22px;
  font-weight: bold;
  color: var(--gold-color);
  text-transform: uppercase;
  display: block;
  margin-bottom: 15px;
}

.footer-description {
  font-size: 14px;
  line-height: 1.5;
  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-main-color);
  font-size: 14px;
  transition: color 0.2s ease;
}

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

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

.footer-bottom-nav .footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 20px;
}

.footer-bottom-nav .footer-nav li {
  margin-bottom: 0;
}

.footer-bottom {
  text-align: center;
  font-size: 13px;
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
  max-width: 1200px;
  margin: 0 auto;
}

.footer-bottom p {
  margin: 0;
  color: var(--text-main-color);
}

/* Footer slot anchors - ensure they are visible and not hidden */
.footer-slot-anchor, .footer-slot-anchor-inner {
  min-height: 1px; /* Ensure they take up space */
}

/* Mobile Specific Styles */
@media (max-width: 768px) {
  :root {
    --header-offset: 110px; /* Mobile: 60px (header-top) + 48px (mobile-nav-buttons) */
  }

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

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

  .site-header {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  }

  /* Header Top - Mobile */
  .header-top {
    min-height: 60px !important; /* Mobile height */
    height: 60px !important;
    padding: 0 15px; /* Adjust padding for mobile */
    justify-content: space-between; /* Hamburger left, Logo center */
    position: relative; /* For logo absolute positioning */
  }

  .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 */
  }

  .logo {
    flex: 1 !important; /* Flex to push hamburger and create space */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    position: absolute; /* For absolute centering */
    left: 50%;
    transform: translateX(-50%);
    height: 100%; /* Ensure vertical centering */
    max-width: calc(100% - 100px); /* Leave space for hamburger */
  }
  .logo img {
    max-height: 56px !important; /* Mobile max height */
  }

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

  /* Mobile Nav Buttons - Visible on mobile */
  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    min-height: 48px;
    align-items: center;
    justify-content: center; /* Center buttons horizontally */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px; /* Padding for mobile buttons */
    overflow: hidden; /* Prevent button overflow */
    gap: 10px;
    flex-wrap: nowrap; /* Ensure buttons stay in one row */
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Max width for two buttons with gap */
    box-sizing: border-box;
    padding: 8px 12px; /* Smaller padding for mobile buttons */
    font-size: 13px; /* Smaller font size for mobile buttons */
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word; /* Ensure text wraps */
    overflow-wrap: break-word;
  }

  /* Hamburger Menu - Visible on mobile */
  .hamburger-menu {
    display: block;
    position: relative; /* For z-index */
    z-index: 1002; /* Above logo and mobile buttons */
  }

  /* Main Navigation - Mobile */
  .main-nav {
    display: none; /* Hidden by default */
    position: fixed; /* Fixed position for off-canvas menu */
    top: var(--header-offset); /* Below the fixed header and mobile buttons */
    left: 0;
    width: 280px; /* Width of the off-canvas menu */
    height: calc(100% - var(--header-offset)); /* Full height below header */
    flex-direction: column; /* Vertical menu */
    justify-content: flex-start;
    align-items: flex-start;
    padding: 20px 0;
    transform: translateX(-100%); /* Move off-screen to the left */
    transition: transform 0.3s ease-in-out;
    background-color: var(--card-bg); /* Menu background color */
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.4);
    z-index: 1001; /* Above overlay, below hamburger */
    overflow-y: auto; /* Allow scrolling for long menus */
    height: auto; /* Allow height to adjust to content */
    max-height: calc(100vh - var(--header-offset)); /* Prevent menu from exceeding viewport height */
  }

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

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 0; /* Reset padding, nav-links handle it */
    width: 100%;
    max-width: none; /* No max-width on mobile */
    height: auto;
  }

  .nav-link {
    width: 100%;
    padding: 12px 20px; /* Adjust padding for vertical links */
    text-align: left;
    border-bottom: 1px solid var(--border-color);
  }

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

  /* Footer Mobile */
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
  }

  .footer-bottom-nav .footer-nav {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .footer-bottom-nav .footer-nav li {
    width: 100%;
    text-align: center;
  }
}

/* No-scroll for body when menu is open */
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;
  }
}