html, body { margin: 0; padding: 0; height: 100%; box-sizing: border-box; }
body { font-family: 'Arial', sans-serif; color: #FFF5E1; background-color: #B71C1C; padding-top: var(--header-offset); overflow-x: hidden; }
:root { --primary-color: #C91F17; --secondary-color: #E53935; --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%); --card-bg: #D32F2F; --background-color: #B71C1C; --text-main: #FFF5E1; --border-color: #F2B544; --glow-color: #FFCC66; --gold-color: #F4D34D; --deep-red: #7A0E0E; --header-offset: 122px; }
.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; box-shadow: 0 2px 5px rgba(0,0,0,0.2); }
.header-top { box-sizing: border-box; min-height: 68px; height: 68px; display: flex; align-items: center; overflow: hidden; background-color: var(--deep-red); width: 100%; padding: 0 20px; }
.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; }
.logo { color: var(--text-main); text-decoration: none; font-size: 28px; font-weight: bold; display: block; flex-shrink: 0; padding: 0 10px; }
.logo img { display: block; max-height: 60px; height: auto; width: auto; max-width: 280px; object-fit: contain; }
.header-right-spacer { display: none; }
.desktop-nav-buttons { display: flex; gap: 12px; align-items: center; flex-shrink: 0; }
.mobile-nav-buttons { box-sizing: border-box; display: none; min-height: 48px; background-color: var(--card-bg); width: 100%; }
.btn { background: var(--button-gradient); color: var(--deep-red); padding: 10px 18px; border-radius: 5px; text-decoration: none; font-weight: bold; transition: all 0.3s ease; white-space: nowrap; border: 1px solid var(--border-color); }
.btn:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 2px 8px var(--glow-color); }
.main-nav { box-sizing: border-box; min-height: 52px; height: 52px; display: flex; align-items: center; overflow: hidden; background-color: var(--primary-color); width: 100%; padding: 0 20px; }
.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; }
.nav-link { color: var(--text-main); text-decoration: none; padding: 0 15px; font-size: 16px; font-weight: 600; transition: color 0.3s ease; height: 100%; display: flex; align-items: center; white-space: nowrap; }
.nav-link:hover, .nav-link.active { color: var(--gold-color); }
.hamburger-menu { display: none; flex-direction: column; justify-content: space-around; width: 30px; height: 25px; cursor: pointer; padding: 5px; background: none; border: none; z-index: 1002; }
.hamburger-menu span { display: block; height: 3px; width: 100%; background-color: var(--text-main); border-radius: 2px; transition: all 0.3s ease; }
.hamburger-menu.active span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }
.site-footer { background-color: var(--deep-red); color: var(--text-main); padding: 40px 20px 20px; font-size: 14px; line-height: 1.6; }
.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(--gold-color); font-size: 18px; margin-bottom: 15px; }
.footer-col p { margin-bottom: 10px; }
.footer-logo { color: var(--text-main); text-decoration: none; font-size: 24px; font-weight: bold; display: block; margin-bottom: 15px; }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 8px; }
.footer-nav li a { color: var(--text-main); text-decoration: none; transition: color 0.3s ease; }
.footer-nav li a:hover { color: var(--gold-color); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; text-align: center; margin-top: 30px; }
.footer-bottom p { margin: 0; }
.footer-slot-anchor-inner { min-height: 1px; }
.overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.5); z-index: 999; }
body.no-scroll { overflow: hidden; }

@media (max-width: 768px) {
  :root { --header-offset: 108px; }
  .header-top { min-height: 60px !important; height: 60px !important; padding: 0 15px; }
  .header-container { width: 100%; max-width: none; justify-content: space-between; position: relative; }
  .logo { order: 2; flex: 1 !important; display: flex !important; justify-content: center !important; align-items: center !important; font-size: 24px; padding: 0; }
  .logo img { max-height: 56px !important; }
  .header-right-spacer { display: block; order: 3; width: 40px; flex-shrink: 0; }
  .desktop-nav-buttons { display: none !important; }
  .mobile-nav-buttons { display: flex !important; min-height: 48px; align-items: center; justify-content: center; width: 100%; max-width: 100%; box-sizing: border-box; padding: 0 15px; overflow: hidden; gap: 10px; flex-wrap: nowrap; background-color: var(--card-bg); }
  .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; border: 1px solid var(--border-color); }
  .main-nav { min-height: 48px !important; height: auto !important; position: fixed; top: var(--header-offset); left: 0; width: 80%; max-width: 300px; height: calc(100% - var(--header-offset)); overflow-y: auto; background-color: var(--deep-red); flex-direction: column; transform: translateX(-100%); transition: transform 0.3s ease; z-index: 1001; padding: 0; }
  .main-nav.active { display: flex; transform: translateX(0); }
  .nav-container { flex-direction: column; padding: 20px 0; width: 100%; max-width: none; }
  .nav-link { width: 100%; text-align: center; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,0.1); font-size: 15px; }
  .nav-link:last-child { border-bottom: none; }
  .hamburger-menu { display: flex; order: 1; position: static; transform: none; margin-right: auto; }
  .overlay.active { display: block; }
  .footer-top-grid { grid-template-columns: 1fr; }
  .footer-col { margin-bottom: 20px; }
  .footer-col:last-child { margin-bottom: 0; }
  .page-content img { max-width: 100% !important; height: auto !important; display: block; }
  .page-content { overflow-x: hidden; max-width: 100%; }
  body { overflow-x: hidden; }
}
/* 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;
}