/* General */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #FFF6D6; /* Text Main */
  background-color: #0A0A0A; /* Background */
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: #F2C14E; /* Primary */
}

a:hover {
  color: #FFD36B; /* Secondary */
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 5px;
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); /* Button gradient */
  color: #111111; /* Contrast with button background */
  font-weight: bold;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s;
  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), 0 0 15px rgba(255,211,107,0.5); /* Glow */
}

/* Header */
:root { --header-offset: 122px; } /* Desktop: 68px (header-top) + 52px (main-nav) */
body { padding-top: var(--header-offset); }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
  background-color: #111111; /* Card BG for overall header */
}

.header-top {
  box-sizing: border-box;
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #111111; /* Header Top BG */
  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 20px; /* Padding for logo and buttons */
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #F2C14E; /* Primary color for logo text */
  text-decoration: none;
  white-space: nowrap;
}

.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 on desktop */
  min-height: 48px; /* Fixed height for mobile buttons */
  width: 100%;
  background-color: #111111; /* Same as header-top for consistency */
  padding: 0 15px; /* Mobile padding */
}

.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #0A0A0A; /* Background color for main nav */
  width: 100%;
}

.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; /* Space between nav links */
}

.nav-link {
  color: #FFF6D6; /* Text Main */
  font-weight: bold;
  padding: 5px 0;
  white-space: nowrap;
  transition: color 0.2s;
}

.nav-link:hover {
  color: #F2C14E; /* Primary */
}

.hamburger-menu {
  display: none; /* Hidden by default on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1001; /* Above header-top */
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: #F2C14E; /* Primary */
  margin-bottom: 5px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger-menu span:last-child {
  margin-bottom: 0;
}

.hamburger-menu.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.hamburger-menu.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
  cursor: pointer;
}

/* Footer */
.site-footer {
  background-color: #111111; /* Card BG */
  color: #FFF6D6; /* Text Main */
  padding: 40px 20px 20px;
  border-top: 1px solid #3A2A12; /* Border */
}

.footer-top-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 30px;
}

.footer-col h3 {
  color: #F2C14E; /* Primary */
  font-size: 18px;
  margin-bottom: 15px;
}

.footer-logo {
  font-size: 28px;
  font-weight: bold;
  color: #F2C14E; /* Primary color */
  margin-bottom: 15px;
  display: block;
}

.footer-description {
  font-size: 14px;
  line-height: 1.8;
  color: #FFF6D6; /* Text Main */
  word-wrap: break-word;
  overflow-wrap: break-word;
}

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

.footer-nav li {
  margin-bottom: 10px;
}

.footer-nav a {
  color: #FFF6D6; /* Text Main */
  font-size: 14px;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: #FFD36B; /* Secondary */
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #3A2A12; /* Border */
  font-size: 13px;
  color: #FFF6D6; /* Text Main */
  max-width: 1200px;
  margin: 0 auto;
}

.footer-bottom p {
  margin: 0;
}

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

  body {
    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 !important;
    height: 60px !important;
    justify-content: space-between; /* For hamburger and logo */
    padding: 0 15px;
  }

  .header-container {
    width: 100%;
    max-width: none; /* Remove max-width for mobile */
    padding: 0; /* Remove padding, handled by header-top */
    justify-content: space-between;
  }

  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    order: 2; /* Puts logo in the middle */
    font-size: 20px; /* Smaller font size for mobile */
  }

  .logo img {
    max-height: 56px !important; /* Smaller logo for mobile */
    max-width: 100%;
    width: auto;
    height: auto;
  }

  .hamburger-menu {
    display: block; /* Show hamburger on mobile */
    order: 1; /* Puts hamburger on the left */
  }

  .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;
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* 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 via JS */
    position: fixed;
    top: var(--header-offset); /* Below header and mobile buttons */
    left: 0;
    width: 80%; /* Menu width */
    max-width: 300px;
    height: calc(100% - var(--header-offset)); /* Full height below header */
    background-color: #0A0A0A; /* Background color for mobile menu */
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.3);
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease;
    overflow-y: auto; /* Allow scrolling for long menus */
    box-sizing: border-box;
  }

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

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
    gap: 15px;
    width: 100%; /* Ensure links take full width */
  }

  .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid #3A2A12; /* Border between links */
    color: #FFF6D6;
  }

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

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

  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column for mobile footer */
    text-align: center;
  }

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

  .footer-col:last-child {
    margin-bottom: 0;
  }

  .footer-nav {
    text-align: center;
  }

  .footer-logo {
    font-size: 24px;
  }
}
/* 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;
  }
}