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

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

body.no-scroll {
  overflow: hidden;
  position: fixed;
  width: 100%;
}

/* Site Header - Fixed position */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  background-color: var(--card-bg); /* Fallback, specific sections will override */
}

/* Header Top - Desktop */
.header-top {
  box-sizing: border-box;
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--card-bg); /* Darker background */
  width: 100%;
  padding: 0 20px; /* Add padding to header-top itself */
}

.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 handled by header-top */
}

.logo {
  display: block;
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.logo img {
  display: block;
  max-height: 60px;
  height: auto;
  width: auto;
  max-width: 280px;
  object-fit: contain;
}

.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;
  background-color: var(--background-color); /* Matches body background */
  border-top: 1px solid var(--border-color);
}

/* Main Navigation - Desktop */
.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--border-color); /* Lighter background, contrasting with header-top */
  width: 100%;
  border-top: 1px solid var(--border-color); /* Subtle separation */
}

.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-item {
  color: var(--text-main);
  text-decoration: none;
  padding: 10px 15px;
  font-size: 16px;
  white-space: nowrap;
  transition: color 0.3s, background-color 0.3s;
}

.nav-item:hover {
  color: var(--secondary-color);
  background-color: rgba(255, 255, 255, 0.05);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  background: var(--button-gradient);
  color: #1a1a1a; /* Dark text for bright button */
  font-size: 15px;
  font-weight: bold;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 10px rgba(242, 193, 78, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(242, 193, 78, 0.6);
}

/* Hamburger Menu - Hidden on Desktop */
.hamburger-menu {
  display: none;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1001;
  padding: 0;
}

.hamburger-icon {
  display: block;
  width: 28px;
  height: 2px;
  background-color: var(--text-main);
  position: relative;
  transition: background-color 0.3s;
}

.hamburger-icon::before, .hamburger-icon::after {
  content: '';
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  position: absolute;
  transition: transform 0.3s;
}

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

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

.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);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

/* Site Footer */
.site-footer {
  background-color: var(--card-bg);
  color: var(--text-main);
  padding: 40px 20px 20px;
  font-size: 14px;
  border-top: 1px solid var(--border-color);
}

.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(--primary-color);
  font-size: 18px;
  margin-bottom: 15px;
}

.footer-logo {
  display: block;
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  margin-bottom: 15px;
}

.footer-description {
  color: var(--text-main);
  line-height: 1.8;
  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);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-bottom {
  text-align: center;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  color: var(--text-main);
}

.footer-bottom p {
  margin: 0;
}

.footer-slot-anchor-inner {
  min-height: 10px; /* Ensure anchor is visible for inspection */
}

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

  /* Header Top - Mobile */
  .header-top {
    min-height: 60px !important;
    height: 60px !important;
    padding: 0 15px; /* Smaller padding for mobile */
    position: relative; /* For absolute positioning of hamburger */
  }

  .header-container {
    width: 100%;
    max-width: none; /* Remove max-width for mobile */
    justify-content: space-between; /* To push hamburger left and logo center */
    padding: 0; /* Padding is on header-top */
  }

  .hamburger-menu {
    display: block;
    position: relative; /* Reset position for flexbox ordering */
    left: auto; /* Reset left */
    top: auto; /* Reset top */
    transform: none; /* Reset transform */
    order: 1; /* Order for flexbox */
    z-index: 1002; /* Higher than logo */
  }

  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    order: 2; /* Order for flexbox */
    font-size: 24px;
    padding: 0 10px;
    max-width: calc(100% - 100px); /* Account for hamburger and potential right element */
  }

  .logo img {
    max-height: 56px !important;
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Visible on mobile */
    min-height: 48px;
    height: auto; /* Allow height to adjust if text wraps */
    align-items: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 15px;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
    justify-content: center;
    background-color: var(--background-color);
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Two buttons with 10px gap */
    box-sizing: border-box;
    padding: 8px 12px;
    font-size: 13px;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  /* Main Navigation - Mobile (Hidden by default) */
  .main-nav {
    min-height: 48px !important;
    height: calc(100vh - var(--header-offset)); /* Full height below fixed header */
    display: none; /* Hidden by default, toggled by JS */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Position below the fixed header area */
    left: 0;
    width: 80%; /* Sidebar width */
    max-width: 300px;
    background-color: var(--card-bg);
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease; /* Transition for slide-in */
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    align-items: flex-start; /* Align menu items to the left */
    border-top: none; /* Remove border from fixed bar */
    padding: 20px 0;
  }

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

  .nav-container {
    width: 100%;
    max-width: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
  }

  .nav-item {
    width: 100%;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

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

  .footer-col {
    margin-bottom: 20px;
  }

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

  /* Mobile content overflow prevention */
  .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;
  }
}
/* 内容保护（系统追加，请勿删除） */
body {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
input, textarea, select, [contenteditable="true"] {
  -webkit-user-select: text;
  -moz-user-select: text;
  user-select: text;
}