: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-color: #FFF6D6;
  --border-color: #3A2A12;
  --glow-color: #FFD36B;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
}

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

/* --- Header Styles --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  background-color: var(--background-color); /* Base background for fixed header */
}

.header-top {
  box-sizing: border-box;
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--card-bg); /* Distinct background for header-top */
  width: 100%;
  color: var(--text-main-color);
}

.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;
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  display: block; /* Ensure logo is visible by default */
  line-height: 1; /* Adjust line-height to fit within header-top */
}

.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 for desktop */
  min-height: 48px; /* Placeholder height, actual height depends on content */
  background-color: var(--card-bg); /* Same as header-top for consistency */
  padding: 0 20px;
}

.btn {
  background: var(--button-gradient);
  color: #000; /* Contrast with light gradient */
  padding: 10px 18px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  transition: transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

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

.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;
  gap: 25px; /* Spacing between nav links */
}

.nav-link {
  color: var(--text-main-color);
  text-decoration: none;
  font-weight: bold;
  padding: 5px 0;
  transition: color 0.2s;
  white-space: nowrap;
}

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

.hamburger-menu {
  display: none; /* Hidden by default for desktop */
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  cursor: pointer;
  z-index: 1001;
  position: relative;
  margin-right: 15px; /* Space between hamburger and logo on mobile */
}

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

.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;
}

/* --- Footer Styles --- */
.site-footer {
  background-color: var(--card-bg);
  color: var(--text-main-color);
  padding: 40px 20px 20px;
  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 {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}

.footer-description {
  font-size: 14px;
  line-height: 1.6;
  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);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: #999; /* Slightly lighter color for copyright */
}

/* Dynamic slot anchor styles - must not hide content */
.footer-slot-anchor-outer, .footer-slot-anchor-inner {
  min-height: 0;
  min-width: 0;
  display: block;
  visibility: visible;
  opacity: 1;
  height: auto;
  max-height: none;
  overflow: visible;
}

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

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

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

  .header-top {
    min-height: 60px !important;
    height: 60px !important;
    justify-content: space-between; /* Space out hamburger and logo */
    padding: 0 15px; /* Adjust padding for mobile */
  }

  .header-container {
    width: 100%;
    max-width: none;
    padding: 0;
    justify-content: flex-start;
  }

  .hamburger-menu {
    display: flex; /* Show hamburger menu on mobile */
    order: 1;
    margin-right: 0;
  }

  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important; /* Center logo horizontally */
    align-items: center !important;
    order: 2;
    font-size: 24px;
    padding-right: 30px; /* Balance space for hamburger on left */
  }

  .logo img {
    max-height: 56px !important;
    max-width: calc(100% - 30px);
  }

  .desktop-nav-buttons {
    display: none !important; /* Hide desktop buttons 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;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
    background-color: var(--card-bg);
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Max width for 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-nav {
    display: none; /* Hidden by default, shown with JS */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Position 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 */
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease;
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto; /* Allow scrolling for long menus */
    align-items: flex-start;
    min-height: auto;
    z-index: 1000; /* Ensure menu is above other content but below overlay */
  }

  .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;
    gap: 15px;
    width: 100%;
    max-width: none;
    height: auto;
  }

  .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
  }

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

  .hamburger-menu.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
  }
  .hamburger-menu.active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger-menu.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
  }

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

  /* Footer mobile adjustments */
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
  }
  .footer-col {
    margin-bottom: 20px;
  }
  .footer-col:last-of-type {
    margin-bottom: 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;
  }
}