:root {
  --primary-color: #F2C14E;
  --secondary-color: #FFD36B;
  --card-bg: #111111;
  --site-bg: #0A0A0A;
  --text-main: #FFF6D6;
  --border-color: #3A2A12;
  --glow-color: #FFD36B;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  --header-top-bg: #1A1A1A; /* Darker variant for header top */
  --main-nav-bg: #222222; /* Slightly lighter for main nav */
  --header-offset: 122px; /* Desktop: 68px (top) + 52px (nav) */
}

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

.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); /* Suspended effect */
  background-color: transparent; /* Individual sections will have solid backgrounds */
  box-sizing: border-box;
}

/* Header Top Section */
.header-top {
  box-sizing: border-box;
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--header-top-bg);
  width: 100%;
  padding: 0 20px; /* Padding for the 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;
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
  display: flex; /* For potential image logo alignment */
  align-items: center;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: bold;
  background: var(--button-gradient);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.9;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

/* Mobile Navigation Buttons (hidden by default on desktop) */
.mobile-nav-buttons {
  box-sizing: border-box;
  display: none; /* Hidden by default on desktop */
  min-height: 48px; /* Mobile button bar min height */
  background-color: var(--header-top-bg); /* Same as header top for consistency */
  padding: 10px 20px;
  justify-content: center; /* Centered on mobile */
  align-items: center;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  gap: 10px;
  flex-wrap: nowrap;
}

/* Main Navigation Section */
.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--main-nav-bg);
  width: 100%;
  padding: 0 20px; /* Padding for the main-nav itself */
}

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

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 25px;
}

.nav-menu li a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: bold;
  padding: 5px 0;
  transition: color 0.3s ease;
  white-space: nowrap;
}

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

/* Hamburger Menu (hidden by default on desktop) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  cursor: pointer;
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  background: transparent;
  border: none;
  padding: 0;
  z-index: 1001; /* Above header */
}

.hamburger-menu .bar {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--text-main);
  border-radius: 10px;
  transition: all 0.3s ease;
}

.hamburger-menu.active .bar:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}

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

.hamburger-menu.active .bar:nth-child(3) {
  transform: translateY(-11px) 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; /* Below menu, above main content */
}

/* Footer Styles */
.site-footer {
  background-color: var(--site-bg);
  color: var(--text-main);
  padding: 40px 20px 20px;
  border-top: 1px solid var(--border-color);
  box-sizing: border-box;
  width: 100%;
}

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

.footer-col {
  padding: 0;
}

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

.footer-description {
  font-size: 14px;
  line-height: 1.6;
  margin-top: 10px;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

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

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

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

.footer-nav li a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

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

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

.footer-bottom p {
  margin: 0;
}

/* Dynamic slot anchor styles (ensure they are not hidden) */
.footer-slot-anchor, .footer-slot-anchor-grid, .footer-slot-anchor-inner {
  min-height: 1px;
  width: 100%;
}
.footer-slot-anchor-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
}

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

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

  /* Header Top Mobile */
  .header-top {
    min-height: 60px;
    height: 60px;
    padding: 0 15px;
  }

  .header-container {
    width: 100%;
    max-width: none; /* No max-width on mobile */
    padding: 0;
    justify-content: space-between;
    position: relative; /* For absolute logo centering */
  }

  .logo {
    position: absolute; /* Force absolute positioning to center text logo */
    left: 50%;
    transform: translateX(-50%);
    display: block; /* Ensure it's a block for text-align or absolute pos */
    z-index: 1; /* Below hamburger */
    font-size: 24px;
    max-width: calc(100% - 100px); /* Leave space for hamburger */
  }
  .logo img {
    max-height: 56px !important; /* Mobile logo height */
  }

  .hamburger-menu {
    display: flex;
    order: -1; /* Place it first */
    z-index: 2; /* Above logo */
  }

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

  /* Mobile Nav Buttons Section */
  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    min-height: 48px;
    height: auto; /* Allow content to dictate height, but min-height ensures space */
    padding: 8px 15px;
    flex-wrap: nowrap; /* Prevent buttons from wrapping */
    justify-content: center;
  }
  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Two buttons with 10px gap */
    padding: 8px 12px;
    font-size: 13px;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    text-align: center;
  }

  /* Main Navigation Mobile (Hamburger Menu Content) */
  .main-nav {
    display: none; /* Hidden by default for mobile */
    position: fixed;
    top: var(--header-offset); /* Position below fixed header and mobile buttons */
    left: 0;
    width: 80%; /* Menu width */
    max-width: 300px; /* Max width for menu */
    height: calc(100vh - var(--header-offset)); /* Full height below header */
    background-color: var(--card-bg); /* Menu background */
    flex-direction: column;
    padding: 20px;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    transform: translateX(-100%); /* Slide out of view */
    transition: transform 0.3s ease;
    overflow-y: auto; /* Enable scrolling for long menus */
    z-index: 1000; /* Same as header, overlay is 999 */
    box-sizing: border-box;
  }

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

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

  .nav-menu {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .nav-menu li {
    width: 100%;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-menu li:last-child {
      border-bottom: none;
  }

  .nav-menu li a {
    display: block;
    padding: 15px 10px;
    font-size: 16px;
  }

  .overlay.active {
    display: block; /* Show overlay when menu is active */
  }

  /* Footer Mobile */
  .site-footer {
    padding: 30px 15px 15px;
  }

  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 20px;
  }
  .footer-col:not(:last-child) {
      margin-bottom: 20px; /* Space between columns */
  }

  .footer-slot-anchor-grid {
      grid-template-columns: 1fr; /* Single column for mid slots */
      gap: 20px;
  }

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

  /* Ensure content images are responsive */
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  /* body overflow-x: hidden is already defined globally */
}
/* 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;
}