:root {
  --header-offset: 122px; /* Desktop */
  --primary-color: #F2C14E;
  --secondary-color: #FFD36B;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  --card-bg: #111111;
  --page-bg: #0A0A0A;
  --text-main: #FFF6D6;
  --border-color: #3A2A12;
  --glow-color: #FFD36B;
  --button-text-color: #0A0A0A; /* Dark text for bright buttons */
}

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

/* --- Header Styles --- */
.site-header {
  background-color: var(--card-bg); /* Dark background for header */
  width: 100%;
  position: fixed;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); /* Suspended effect */
  min-height: 60px; /* Ensure content adaptation */
  display: flex;
  align-items: center;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between; /* Distribute items */
  padding: 15px 30px; /* Desktop padding */
  width: 100%; /* Ensure it spans full width within max-width */
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color); /* Use primary color for logo text */
  text-decoration: none;
  flex-shrink: 0;
  padding-right: 20px; /* Space between logo and nav */
  text-transform: uppercase;
  letter-spacing: 1px;
}

.main-nav {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  flex-grow: 1; /* Allow nav to take available space */
  gap: 25px; /* Spacing between nav links */
  padding: 0 20px; /* Padding around nav links */
}

.main-nav .nav-link {
  color: var(--text-main);
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  padding: 8px 0;
  position: relative;
  transition: color 0.3s ease;
}

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

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

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

.desktop-nav-buttons {
  display: flex; /* Always visible on desktop */
  gap: 12px; /* Spacing between buttons */
  flex-shrink: 0;
  margin-left: auto; /* Push buttons to the right */
}

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

.btn {
  background: var(--button-gradient);
  color: var(--button-text-color);
  padding: 10px 20px;
  border-radius: 8px; /* Slightly rounded buttons */
  text-decoration: none;
  font-weight: bold;
  font-size: 15px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
  white-space: nowrap; /* Prevent button text from wrapping */
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3), 0 0 15px var(--glow-color);
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  font-size: 28px;
  color: var(--text-main);
  cursor: pointer;
  padding: 5px 10px;
  z-index: 1001; /* Above other elements */
  flex-shrink: 0;
  line-height: 1;
}

.hamburger-menu.active {
  color: var(--secondary-color);
}

.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); /* Dark overlay */
  z-index: 998; /* Below menu, above content */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* --- Footer Styles --- */
.site-footer {
  background-color: var(--card-bg); /* Dark background for footer */
  padding: 60px 0 20px;
  color: var(--text-main);
  font-size: 15px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

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

.footer-logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.footer-heading {
  font-size: 18px;
  color: var(--primary-color);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav .nav-link {
  color: #CCC; /* Lighter text for footer links */
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

.footer-nav .nav-link:hover {
  color: var(--secondary-color);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 30px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 13px;
  color: #AAA;
}

/* Dynamic Slot Anchors - ensure visibility */
.footer-slot-anchor,
.footer-slot-anchor-inner {
  min-height: 1px;
}

/* --- Mobile Styles --- */
@media (max-width: 768px) {
  :root {
    --header-offset: 110px; /* Mobile */
  }

  /* Header */
  .site-header {
    min-height: 50px;
  }

  .header-container {
    width: 100%;
    max-width: none; /* Remove max-width for mobile */
    padding: 10px 15px; /* Mobile padding */
    justify-content: space-between; /* Ensure spacing */
  }

  .hamburger-menu {
    display: block; /* Show hamburger on mobile */
    order: 1; /* First item */
    margin-right: 10px;
  }

  .logo {
    order: 2; /* Second item */
    flex: 1 !important; /* Take available space */
    display: flex !important; /* For centering logo image */
    justify-content: center !important; /* Center logo horizontally */
    align-items: center !important;
    font-size: 24px;
    padding-right: 0; /* Remove extra padding */
  }

  .logo img {
    display: block !important;
    max-width: 100%;
    height: auto;
    max-height: 40px; /* Adjust as needed */
  }

  .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Start below fixed header */
    left: 0;
    width: 280px; /* Width of the mobile menu */
    height: calc(100% - var(--header-offset)); /* Full height below header */
    background-color: var(--card-bg); /* Menu background */
    padding: 20px 0;
    box-shadow: 4px 0 10px rgba(0, 0, 0, 0.3);
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease;
    overflow-y: auto; /* Allow scrolling for long menus */
    align-items: flex-start; /* Align links to the left */
    gap: 0; /* Remove gap */
  }

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

  .main-nav .nav-link {
    width: 100%;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color); /* Separator */
    font-size: 17px;
  }
  .main-nav .nav-link:last-child {
      border-bottom: none;
  }

  .main-nav .nav-link::after {
    display: none; /* Hide hover effect on mobile */
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    order: 3; /* Third item */
    gap: 8px;
    margin-left: 10px; /* Space between logo and buttons */
    flex-shrink: 0;
  }

  .mobile-nav-buttons .btn {
    padding: 8px 15px; /* Smaller buttons for mobile */
    font-size: 14px;
    border-radius: 6px;
  }

  /* 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;
  }
  body.no-scroll {
    overflow: hidden;
  }

  /* Footer */
  .footer-container {
    grid-template-columns: 1fr; /* Stack columns on mobile */
    gap: 25px;
  }

  .footer-col {
    align-items: flex-start;
  }

  .footer-logo {
    font-size: 22px;
  }

  .footer-heading {
    font-size: 17px;
    margin-bottom: 15px;
  }

  .footer-bottom {
    padding: 15px 15px 0;
  }
}
/* 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;
  }
}