:root {
  --primary-color: #F2C14E;
  --secondary-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 (header-top) + 52px (main-nav) */
}

body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  background-color: var(--background-color);
  color: var(--text-main-color);
  padding-top: var(--header-offset); /* Ensure content is not hidden by fixed header */
  overflow-x: hidden; /* Prevent horizontal scroll on body */
}

/* Header Styles */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5); /* Floating effect */
}

.header-top {
  box-sizing: border-box;
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--background-color); /* Darker for contrast */
  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: 28px;
  font-weight: bold;
  color: var(--primary-color); /* Gold text for logo */
  text-decoration: none;
  display: block;
  line-height: 1;
}

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

.mobile-nav-buttons {
  box-sizing: border-box;
  display: none; /* Hidden by default on desktop */
  min-height: 48px; /* Fixed height for mobile button bar */
  background-color: var(--card-bg); /* Dark background for mobile buttons */
  width: 100%;
  padding: 0 15px;
  justify-content: center;
  align-items: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--primary-color); /* Gold for navigation bar */
  width: 100%;
}

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

.nav-link {
  color: var(--background-color); /* Dark text on gold background */
  text-decoration: none;
  padding: 10px 15px;
  font-weight: bold;
  white-space: nowrap;
  transition: background-color 0.3s ease, color 0.3s ease;
  font-size: 15px; /* Slightly smaller font to fit */
}

.nav-link:hover, .nav-link.active {
  background-color: rgba(0, 0, 0, 0.1);
  color: var(--text-main-color);
}

/* Hamburger Menu (Desktop hidden) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1001;
  margin-right: 15px;
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
  margin-bottom: 5px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger-menu span:last-child {
  margin-bottom: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 25px; /* Rounded buttons */
  text-decoration: none;
  font-weight: bold;
  color: var(--background-color); /* Dark text on button */
  background: var(--button-gradient);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4); /* Glow effect */
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
  font-size: 14px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.6);
}

/* Overlay for mobile menu */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
  display: none; /* Hidden by default */
}

/* Footer Styles */
.site-footer {
  background-color: var(--card-bg);
  color: var(--text-main-color);
  padding: 40px 20px 20px;
  font-size: 14px;
}

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

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

.footer-logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 15px;
  line-height: 1;
}

.footer-description {
  line-height: 1.6;
  margin-top: 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li {
  margin-bottom: 10px;
}

.footer-nav a {
  color: var(--text-main-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-slot-anchor-inner {
  min-height: 1px; /* Ensure anchor takes up space even if empty */
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding-top: 20px;
  color: rgba(255, 246, 214, 0.7); /* Lighter text for copyright */
}

.footer-bottom p {
  margin: 0;
}

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

  body {
    padding-top: var(--header-offset);
  }

  /* Header adjustments */
  .header-top {
    min-height: 60px;
    height: 60px;
    padding-left: 15px; /* Adjust padding for hamburger */
    padding-right: 15px;
    justify-content: space-between; /* Space between hamburger/logo/empty */
  }

  .header-container {
    width: 100%;
    max-width: none;
    padding: 0;
  }

  .hamburger-menu {
    display: block; /* Show hamburger menu */
    order: 0; /* Place it first */
    margin-right: 0;
  }

  .logo {
    flex: 1 !important; /* Allow logo to take available space */
    display: flex !important; /* Force flex for centering */
    justify-content: center !important; /* Center logo horizontally */
    align-items: center !important;
    font-size: 24px;
    order: 1; /* Place logo in the middle */
    max-width: calc(100% - 70px); /* Account for hamburger and potential right-side element */
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    min-height: 48px;
    height: auto;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 8px 15px;
    gap: 10px;
    flex-wrap: nowrap; /* Prevent buttons from wrapping */
    background-color: var(--card-bg);
  }

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

  .main-nav {
    display: none; /* Hide main nav by default on mobile */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Position below header and mobile buttons */
    left: 0;
    width: 100%;
    height: calc(100% - var(--header-offset)); /* Full height below header */
    background-color: var(--card-bg); /* Dark background for mobile menu */
    overflow-y: auto;
    transition: transform 0.3s ease-out;
    transform: translateX(-100%); /* Start off-screen */
    z-index: 1000; /* Same as header, so overlay is 999 */
    padding-bottom: 20px;
  }

  .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: 20px 15px;
    height: auto;
  }

  .nav-link {
    width: 100%;
    padding: 12px 15px;
    color: var(--text-main-color); /* Light text on dark background */
    border-bottom: 1px solid var(--border-color);
    font-size: 16px;
  }
  .nav-link:last-child {
      border-bottom: none;
  }

  .hamburger-menu.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger-menu.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger-menu.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .overlay.active {
    display: block;
  }

  /* Footer adjustments */
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column layout */
    gap: 20px;
    padding-bottom: 20px;
    text-align: center;
  }

  .footer-col h3 {
    margin-top: 20px;
  }

  .footer-nav {
    text-align: center;
  }

  .footer-nav li {
    margin-bottom: 8px;
  }

  .footer-description {
    padding: 0 15px;
  }

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