/* Variables for colors */
:root {
  --primary-color: #F2C14E;
  --accent-color: #FFD36B;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  --card-bg-color: #111111;
  --background-color: #0A0A0A;
  --text-main-color: #FFF6D6;
  --border-color: #3A2A12;
  --glow-color: #FFD36B;
  --header-offset: 122px; /* Desktop no marquee */
}

/* Base styles */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--text-main-color);
  background-color: var(--background-color);
  padding-top: var(--header-offset); /* Fixed header offset */
  overflow-x: hidden; /* Prevent body overflow on desktop as well */
}

/* Shared button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap; /* Prevent button text from wrapping */
  color: #333333; /* Dark text for bright button gradient */
  background: var(--button-gradient);
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn:hover {
  filter: brightness(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Header styles */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: var(--background-color); /* Dark background */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5); /* Suspended effect */
  z-index: 1000;
  min-height: 60px; /* Ensure content adaptation */
  display: flex; /* For header-container to align */
  align-items: center;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 30px; /* Desktop padding */
  display: flex;
  align-items: center;
  width: 100%;
  box-sizing: border-box; /* Include padding in width */
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  flex-shrink: 0;
  order: 1; /* For desktop, logo is first */
}

.main-nav {
  flex: 1;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 25px; /* Spacing between nav links */
  order: 2; /* For desktop, nav is second */
}

.nav-link {
  color: var(--text-main-color);
  text-decoration: none;
  font-weight: 500;
  padding: 5px 0;
  transition: color 0.3s ease, border-bottom 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
}

.desktop-nav-buttons {
  margin-left: auto; /* Push buttons to the right */
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  order: 3; /* For desktop, buttons are third */
}

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

.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  font-size: 28px;
  color: var(--primary-color);
  cursor: pointer;
  padding: 5px;
  line-height: 1;
  flex-shrink: 0;
  order: 0; /* For mobile, hamburger is first */
}

.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: 998; /* Below menu, above content */
}
.mobile-menu-overlay.active {
  display: block;
}


/* Footer styles */
.site-footer {
  background-color: var(--background-color); /* Dark background */
  color: var(--text-main-color);
  padding: 40px 0 20px;
  border-top: 1px solid var(--border-color);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 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;
  color: #CCC;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: #AAA;
}

/* Mobile styles */
@media (max-width: 768px) {
  :root {
    --header-offset: 110px; /* Mobile no marquee */
  }

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

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

  .site-header {
    min-height: 50px;
  }

  .header-container {
    padding: 10px 15px; /* Mobile padding */
    width: 100%;
    max-width: none; /* No max-width on mobile */
    position: relative; /* For absolute positioning of logo if needed */
  }

  .hamburger-menu {
    display: block; /* Show hamburger on mobile */
    order: 0; /* Hamburger first */
    z-index: 1001; /* Above mobile buttons */
  }

  .logo {
    order: 1; /* Logo second on mobile */
    flex: 1 !important; /* For text logo centering */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 24px; /* Adjust logo size for mobile */
    max-width: calc(100% - 120px); /* Adjust max-width to leave space for buttons/hamburger */
  }
  .logo img {
    display: block !important;
    max-width: 100%;
    height: auto;
    max-height: 40px; /* Max height for image logo */
  }

  .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Start below fixed header */
    left: 0;
    width: 250px; /* Sidebar width */
    height: calc(100% - var(--header-offset));
    background-color: var(--card-bg-color); /* Menu background */
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease;
    padding: 20px;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    z-index: 999; /* Below overlay, above content */
    overflow-y: auto; /* Scrollable if many links */
    align-items: flex-start; /* Align links to the left */
  }

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

  .main-nav .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
  }
  .main-nav .nav-link:last-child {
    border-bottom: none;
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Show on mobile */
    gap: 8px;
    flex-shrink: 0;
    order: 2; /* Mobile buttons third */
    margin-left: auto; /* Push to right */
  }

  /* Footer mobile layout */
  .footer-container {
    grid-template-columns: 1fr; /* Single column on mobile */
    padding: 0 20px;
  }

  .footer-col {
    text-align: center;
  }
  .footer-col:not(:last-child) {
    margin-bottom: 30px;
  }
  .footer-nav {
    align-items: center; /* Center footer links */
  }
  .footer-logo {
    margin-left: auto;
    margin-right: auto;
  }
}
/* 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;
}