:root {
  --primary-color: #F2C14E;
  --secondary-color: #FFD36B;
  --btn-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  --card-bg: #111111;
  --bg-color: #0A0A0A;
  --text-main: #FFF6D6;
  --border-color: #3A2A12;
  --glow-color: #FFD36B;

  --header-offset: 122px; /* Desktop: 68px (header-top) + 52px (main-nav) + 2px buffer */
}

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

a {
  text-decoration: none;
  color: var(--primary-color);
}

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

/* --- Header Styles --- */
.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 */
}

.header-top {
  box-sizing: border-box;
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--bg-color); /* Dark background */
  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 30px; /* Padding for logo and buttons */
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color); /* Logo text color */
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block; /* Ensure logo is visible */
  order: 1; /* Default order for desktop */
}

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

.hamburger-menu {
  display: none; /* Hidden by default on desktop */
  cursor: pointer;
  padding: 10px;
  z-index: 1001; /* Above other header elements */
  order: 0; /* Default order for desktop */
}

.hamburger-menu .bar {
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  margin: 5px 0;
  transition: 0.4s;
}

.desktop-nav-buttons {
  display: flex;
  gap: 12px;
  align-items: center;
  order: 2; /* Default order for desktop */
}

.mobile-nav-buttons {
  box-sizing: border-box;
  display: none; /* Hidden by default on desktop */
  min-height: 48px;
  width: 100%; /* Ensure it spans full width when visible */
}

.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex; /* Desktop: flex, mobile: none */
  align-items: center;
  overflow: hidden;
  background-color: var(--card-bg); /* Slightly lighter dark background */
  width: 100%;
  transition: transform 0.3s ease;
}

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

.nav-link {
  color: var(--text-main);
  padding: 10px 15px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.3s ease, background-color 0.3s ease;
  font-size: 15px; /* Adjust font size to fit */
}

.nav-link:hover {
  color: var(--primary-color);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

.btn {
  padding: 10px 20px;
  border-radius: 5px;
  font-weight: bold;
  text-align: center;
  text-decoration: none; /* Remove underline */
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.3s ease;
  color: #333333; /* Dark text for contrast on bright button */
  background: var(--btn-gradient);
  border: none;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.btn:hover {
  opacity: 0.9;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.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;
  transition: opacity 0.3s ease;
  opacity: 0;
}

.overlay.active {
  display: block;
  opacity: 1;
}

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

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

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

.footer-logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  text-transform: uppercase;
  margin-bottom: 15px;
}

.footer-description {
  margin-bottom: 20px;
  color: var(--text-main);
  word-wrap: break-word; /* Ensure text wraps */
  overflow-wrap: break-word; /* Ensure text wraps */
}

.footer-title {
  font-size: 18px;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: bold;
}

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

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

.footer-nav a {
  color: var(--text-main);
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7); /* Slightly muted for copyright */
}

.footer-bottom p {
  margin: 0 0 10px 0;
}

/* Anchor slot styles (must be visible) */
.footer-slot-anchor-outer, .footer-slot-anchor-inner {
  min-height: 1px; /* Ensure they take up space if needed */
  width: 100%;
  display: block;
}

/* --- 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);
    overflow-x: hidden;
  }

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

  .header-top {
    min-height: 60px;
    height: 60px;
  }

  .header-container {
    padding: 0 15px; /* Smaller padding for mobile */
    justify-content: space-between;
    position: relative; /* For absolute positioning of logo if needed */
  }

  .hamburger-menu {
    display: block; /* Show hamburger menu */
    order: 0; /* Place to the left */
    position: relative;
    z-index: 1001; /* Ensure it's clickable */
  }

  .hamburger-menu.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

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

  .hamburger-menu.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  .logo {
    flex: 1 !important; /* Take remaining space */
    display: flex !important;
    justify-content: center !important; /* Center logo horizontally */
    align-items: center !important;
    order: 1; /* Place logo in the middle */
    padding: 0 10px; /* Adjust padding to not touch hamburger/buttons */
    max-width: calc(100% - 80px); /* Adjust max-width to not overlap hamburger/buttons */
    text-align: center; /* Fallback for text logo */
  }

  .logo img {
    max-height: 56px !important; /* Match mobile header-top height */
    max-width: 100%; /* Ensure image fits */
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    min-height: 48px;
    align-items: center;
    justify-content: center; /* Center buttons if only one */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
    background-color: var(--bg-color); /* Match header-top background */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3); /* Subtle shadow */
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px);
    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 on mobile */
    position: fixed;
    top: var(--header-offset); /* Position below header and mobile buttons */
    left: 0;
    width: 80%; /* Sidebar width */
    height: calc(100% - var(--header-offset)); /* Fill remaining height */
    background-color: var(--card-bg);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    transform: translateX(-100%); /* Slide out to the left */
    transition: transform 0.3s ease;
    padding: 20px 0;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    overflow-y: auto; /* Enable scrolling for long menus */
  }

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

  .nav-container {
    flex-direction: column;
    padding: 0;
    align-items: flex-start;
    width: 100%;
    height: auto; /* Allow content to dictate height */
  }

  .nav-link {
    width: 100%;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    text-align: left;
  }

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

  /* Footer mobile adjustments */
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 20px;
  }
}
/* 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;
  }
}