:root {
  --primary-color: #C61F1F;
  --secondary-color: #E53030;
  --button-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  --card-bg: #2A1212;
  --background-color: #140C0C;
  --text-main-color: #FFF1E8;
  --border-color: #6A1E1E;
  --gold-color: #F3C54D;
  --deep-red-color: #7E0D0D;

  /* Header offset for desktop (header-top 68px + main-nav 52px = 120px + 2px safety) */
  --header-offset: 122px;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--text-main-color);
  background-color: var(--background-color);
  padding-top: var(--header-offset); /* Only here */
  overflow-x: hidden; /* For mobile content overflow */
}

body.no-scroll {
  overflow: hidden;
}

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

/* Site Header - Fixed Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  box-sizing: border-box;
}

/* Header Top Area (Logo + Desktop Buttons) */
.header-top {
  background-color: var(--deep-red-color); /* Different from main-nav */
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  box-sizing: border-box;
}

.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 logo and buttons */
  box-sizing: border-box;
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--gold-color);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  height: 100%;
}
.logo img {
  display: block;
  max-height: 60px;
  height: auto;
  width: auto;
  max-width: 280px;
  object-fit: contain;
}

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

/* Mobile Navigation Buttons (Hidden by default on desktop) */
.mobile-nav-buttons {
  box-sizing: border-box;
  display: none; /* Hidden on desktop */
  min-height: 48px; /* Fixed height for mobile */
  background-color: var(--deep-red-color); /* Same as header-top or a complementary color */
  padding: 0 15px; /* Adjust padding for mobile */
}

/* Main Navigation Bar */
.main-nav {
  background-color: var(--card-bg); /* Different from header-top */
  min-height: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  overflow: hidden;
  box-sizing: border-box;
  width: 100%;
}

.nav-container {
  width: 100%;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  box-sizing: border-box;
  gap: 25px; /* Spacing between nav links */
}

.nav-link {
  color: var(--text-main-color);
  font-weight: bold;
  font-size: 16px;
  padding: 5px 0;
  white-space: nowrap;
  transition: color 0.3s ease;
}

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

/* Hamburger Menu (Hidden on desktop) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  cursor: pointer;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1001; /* Above header-top content */
}
.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--text-main-color);
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
}
.hamburger-menu span:nth-child(1) { top: 0; }
.hamburger-menu span:nth-child(2) { top: 10px; }
.hamburger-menu span:nth-child(3) { top: 20px; }

/* Hamburger Menu Active State */
.hamburger-menu.active span:nth-child(1) { top: 10px; transform: rotate(45deg); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { top: 10px; transform: rotate(-45deg); }

/* Overlay for Mobile Menu */
.overlay {
  display: none; /* Hidden on desktop */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.overlay.active {
  display: block;
  opacity: 1;
}

/* General Button Styles */
.btn {
  padding: 10px 18px;
  border-radius: 25px;
  font-size: 15px;
  font-weight: bold;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--button-gradient);
  color: #FFF; /* White text for contrast */
  text-decoration: none; /* Remove underline */
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  border: none;
}
.btn:hover {
  filter: brightness(1.1);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

/* Footer Styles */
.site-footer {
  background-color: var(--background-color);
  padding: 40px 20px 20px;
  color: var(--text-main-color);
  font-size: 14px;
  box-sizing: border-box;
}

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

.footer-col h3 {
  color: var(--gold-color);
  font-size: 18px;
  margin-bottom: 15px;
  position: relative;
}
.footer-col h3::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background-color: var(--gold-color);
  margin-top: 5px;
}

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

.footer-description {
  line-height: 1.6;
  margin-bottom: 15px;
  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);
  font-size: 14px;
  transition: color 0.3s ease;
}
.footer-nav a:hover {
  color: var(--gold-color);
}

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

/* Dynamic Slot Anchor Inner container */
.footer-slot-anchor-inner {
  min-height: 10px; /* Placeholder for visibility */
  width: 100%;
}


/* Mobile Styles */
@media (max-width: 768px) {
  /* Header offset for mobile (header-top 60px + mobile-nav-buttons 48px = 108px + 2px safety) */
  :root {
    --header-offset: 110px;
  }
  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%;
  }

  .site-header {
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5); /* Stronger shadow for mobile */
  }

  /* Header Top Area (Logo + Hamburger) */
  .header-top {
    min-height: 60px;
    height: 60px;
    padding-left: 15px; /* Adjust padding */
    padding-right: 15px;
  }
  .header-container {
    padding: 0; /* Container itself doesn't need padding, hamburger and logo will manage */
    justify-content: space-between; /* To push hamburger left and logo center */
    width: 100%;
    max-width: none; /* Occupy full width */
    position: relative; /* For absolute logo positioning if needed */
  }

  .hamburger-menu {
    display: block; /* Show hamburger */
    position: relative;
    z-index: 1002; /* Above logo */
  }

  /* Image Logo Centering - Method 1 (Flexbox) */
  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    position: absolute; /* To allow hamburger to be far left */
    left: 50%;
    transform: translateX(-50%);
    width: auto; /* Allow content to dictate width */
    max-width: calc(100% - 100px); /* Prevent logo from overlapping hamburger/buttons */
    z-index: 1001;
  }
  .logo img {
    max-height: 56px !important; /* Smaller logo for mobile */
    max-width: 100%; /* Ensure logo fits within its flex container */
  }

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

  /* Mobile Navigation Buttons (Always visible) */
  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    min-height: 48px;
    align-items: center;
    justify-content: center; /* Center buttons */
    width: 100%; max-width: 100%;
    box-sizing: border-box;
    padding-left: 15px; padding-right: 15px;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap; /* Ensure buttons stay in one row */
    background-color: var(--deep-red-color); /* Consistent background */
    z-index: 999; /* Below main nav when open, above content */
  }
  .mobile-nav-buttons .btn {
    flex: 1; min-width: 0;
    max-width: calc(50% - 5px); /* 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 Navigation Bar (Mobile) */
  .main-nav {
    display: none; /* Hidden by default */
    position: fixed; /* Fixed position for off-screen slide-in */
    top: var(--header-offset); /* Below header and mobile buttons */
    left: 0;
    width: 80%; /* Sidebar width */
    height: calc(100% - var(--header-offset)); /* Full height below header */
    flex-direction: column; /* Vertical links */
    justify-content: flex-start;
    align-items: flex-start;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.3);
    transform: translateX(-100%); /* Start off-screen */
    transition: transform 0.3s ease;
    z-index: 1001; /* Above overlay */
    background-color: var(--card-bg); /* Use a consistent background */
    overflow-y: auto; /* Allow scrolling for many links */
    max-width: none; /* Occupy full width */
  }
  .main-nav.active {
    display: flex; /* Show when active */
    transform: translateX(0); /* Slide into view */
  }
  .nav-container {
    flex-direction: column; /* Vertical links */
    align-items: flex-start;
    padding: 0;
    width: 100%;
    max-width: none; /* Occupy full width */
    gap: 15px; /* Spacing between nav links */
  }
  .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-link:last-child {
    border-bottom: none;
  }

  /* Footer Mobile */
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column layout */
    gap: 20px;
  }
  .footer-col {
    text-align: center;
  }
  .footer-col h3::after {
    margin: 5px auto 0; /* Center underline */
  }
  .footer-nav li {
    margin-bottom: 5px;
  }
  .footer-nav a {
    font-size: 13px;
  }
  .footer-logo {
    text-align: center;
  }
  .footer-description {
    text-align: center;
  }
}
/* 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;
}