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

/* Basic Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

/* Site Header - Fixed Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* Header Top Section (Desktop) */
.header-top {
  min-height: 68px;
  height: 68px; /* Fixed height for desktop */
  background-color: var(--header-top-bg);
  display: flex;
  align-items: center;
  overflow: hidden;
  width: 100%;
}

.header-container {
  width: 100%;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px; /* Padding for content inside container */
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--color-primary);
  text-transform: uppercase;
  display: block; /* Ensure logo is visible */
}

/* Desktop Navigation Buttons */
.desktop-nav-buttons {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* Main Navigation Section (Desktop) */
.main-nav {
  min-height: 52px;
  height: 52px; /* Fixed height for desktop */
  background-color: var(--main-nav-bg);
  display: flex; /* Display flex by default for desktop */
  align-items: center;
  overflow: hidden;
  width: 100%;
}

.nav-container {
  width: 100%;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: row; /* Horizontal for desktop */
  justify-content: center;
  align-items: center;
  padding: 0 20px;
}

.nav-link {
  color: var(--color-text-main);
  padding: 10px 15px;
  font-size: 16px;
  font-weight: 500;
  transition: color 0.3s ease, background-color 0.3s ease;
  white-space: nowrap;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 25px;
  background: var(--color-button-gradient);
  color: #000; /* Dark text for contrast with light gradient */
  font-weight: bold;
  font-size: 15px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4), 0 0 15px var(--color-glow);
}

/* Hamburger Menu (Mobile Only) - Hidden by default on desktop */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  width: 30px;
  height: 24px;
  position: relative;
  cursor: pointer;
  z-index: 1001; /* Above header */
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-text-main);
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
}

.hamburger-menu span:nth-child(1) { top: 0; }
.hamburger-menu span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger-menu span:nth-child(3) { bottom: 0; }

.hamburger-menu.active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* Mobile Navigation Buttons (Hidden by default on desktop) */
.mobile-nav-buttons {
  display: none; /* Hidden globally for desktop */
  box-sizing: border-box;
  min-height: 48px; /* Fixed height for mobile */
  background-color: var(--header-top-bg); /* Same as header-top for continuity */
  width: 100%;
  overflow: hidden;
}

/* 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;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

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

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

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

.footer-description {
  color: #ccc;
  line-height: 1.8;
  word-wrap: break-word; /* Ensure description wraps */
  overflow-wrap: break-word;
}

.footer-nav {
  list-style: none;
}

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

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

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

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

.footer-bottom p {
  margin: 0;
}

/* Dynamic Slot Anchor Styling (Must be visible) */
.footer-slot-anchor-inner {
  min-height: 1px; /* Ensure it takes up space, but can be empty */
  margin-top: 10px; /* Just for visual separation if content is injected */
}

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

  body {
    overflow-x: hidden; /* Prevent body overflow on mobile */
  }

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

  .site-header {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  }

  .header-top {
    min-height: 60px !important;
    height: 60px !important; /* Fixed height for mobile */
  }

  .header-container {
    width: 100%;
    max-width: none; /* No max-width on mobile */
    padding: 0 15px; /* Smaller padding for mobile */
    position: relative; /* For absolute logo centering if needed */
  }

  .hamburger-menu {
    display: block; /* Show hamburger menu on mobile */
    position: absolute; /* Position relative to header-container */
    left: 15px; /* Align with padding */
    top: 50%;
    transform: translateY(-50%);
  }

  /* Mobile Logo Centering (Method 1: Flexbox) */
  .logo {
    flex: 1 !important; /* Take available space */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    margin-left: auto; /* Push to center if hamburger is present */
    margin-right: auto; /* Push to center if hamburger is present */
    font-size: 24px;
  }

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

  /* Mobile Navigation Buttons - Always visible below header-top */
  .mobile-nav-buttons {
    display: flex !important; /* Show on mobile */
    min-height: 48px; /* Fixed height for mobile */
    align-items: center;
    justify-content: center; /* Center buttons */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px; /* Padding for buttons */
    overflow: hidden; /* Prevent overflow */
    gap: 10px; /* Space between buttons */
    flex-wrap: nowrap; /* Keep buttons in one line */
    background-color: var(--header-top-bg); /* Match header-top background */
  }

  .mobile-nav-buttons .btn {
    flex: 1; /* Distribute space evenly */
    min-width: 0; /* Allow shrinking */
    max-width: calc(50% - 5px); /* Max width for two buttons with 10px gap */
    padding: 8px 12px; /* Smaller padding */
    font-size: 13px; /* Smaller font size */
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  /* Main Navigation (Mobile - Hamburger Menu Content) */
  .main-nav {
    position: fixed; /* Fixed position for slide-in menu */
    top: var(--header-offset); /* Position below header-top and mobile-nav-buttons */
    left: 0;
    width: 280px; /* Width of the mobile menu */
    height: calc(100% - var(--header-offset)); /* Full height below header */
    background-color: var(--main-nav-bg); /* Background for the menu */
    flex-direction: column; /* Vertical links */
    justify-content: flex-start;
    align-items: flex-start;
    padding: 20px 0;
    transform: translateX(-100%); /* Hidden by default */
    transition: transform 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    display: none; /* Hidden by default for slide-in */
    overflow-y: auto; /* Scroll if content is long */
  }

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

  .nav-container {
    flex-direction: column; /* Vertical links */
    align-items: flex-start;
    max-width: none; /* No max-width on mobile */
    padding: 0 15px; /* Padding for menu items */
    width: 100%;
    height: auto; /* Adjust height based on content */
  }

  .nav-link {
    width: 100%;
    padding: 12px 15px; /* Larger padding for touch */
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

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

  /* Footer Mobile */
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column layout for mobile */
  }

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

  .footer-col:last-child {
    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;
  }
}
/* 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;
}