html, body { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Arial', sans-serif; color: #FFF5E1; background-color: #B71C1C; }
body { padding-top: var(--header-offset); overflow-x: hidden; }
:root { --header-offset: 122px; --primary-color: #C91F17; --secondary-color: #E53935; --text-main-color: #FFF5E1; --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%); --card-bg: #D32F2F; --border-color: #F2B544; --glow-color: #FFCC66; --gold-color: #F4D34D; --deep-red-color: #7A0E0E; }

/* Header */
.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background-color: var(--primary-color); box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3); }
.header-top { box-sizing: border-box; min-height: 68px; height: 68px; display: flex; align-items: center; overflow: hidden; background-color: var(--deep-red-color); 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; }
.logo { font-size: 28px; font-weight: bold; color: var(--gold-color); text-decoration: none; display: block; 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; min-height: 48px; background-color: var(--primary-color); padding: 0 20px; width: 100%; }

.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%; }
.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; }
.nav-link { color: var(--text-main-color); text-decoration: none; font-size: 16px; padding: 10px 0; white-space: nowrap; transition: color 0.3s ease; }
.nav-link:hover { color: var(--gold-color); }

/* Buttons */
.btn { padding: 10px 18px; border-radius: 25px; text-decoration: none; font-weight: bold; text-align: center; white-space: nowrap; cursor: pointer; transition: all 0.3s ease; border: none; box-sizing: border-box; }
.btn-primary { background: var(--button-gradient); color: #7A0E0E; box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3); }
.btn-secondary { background-color: var(--secondary-color); color: var(--text-main-color); border: 1px solid var(--border-color); }
.btn-secondary:hover { background-color: #FFD86A; color: var(--deep-red-color); border-color: #E6B800; }

/* Hamburger Menu */
.hamburger-menu { display: none; width: 30px; height: 20px; position: relative; cursor: pointer; z-index: 1001; }
.hamburger-menu span { display: block; width: 100%; height: 2px; 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: 9px; }
.hamburger-menu span:nth-child(3) { top: 18px; }
.hamburger-menu.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

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

/* Footer */
.site-footer { background-color: var(--deep-red-color); padding: 40px 20px 20px; text-align: center; border-top: 1px solid var(--border-color); }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; max-width: 1200px; margin: 0 auto 30px; text-align: left; }
.footer-col h3 { color: var(--gold-color); font-size: 18px; margin-bottom: 15px; }
.footer-logo { font-size: 30px; font-weight: bold; color: var(--gold-color); text-decoration: none; display: inline-block; margin-bottom: 15px; }
.footer-description { font-size: 14px; line-height: 1.6; color: var(--text-main-color); 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); text-decoration: none; font-size: 14px; transition: color 0.3s ease; }
.footer-nav a:hover { color: var(--gold-color); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 20px; margin-top: 20px; font-size: 13px; color: rgba(255, 255, 255, 0.7); }
.footer-slot-anchor-inner { min-height: 1px; }

/* Responsive */
@media (max-width: 768px) {
  :root { --header-offset: 110px; }
  body { 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 8px rgba(0, 0, 0, 0.2); }
  .header-top { min-height: 60px !important; height: 60px !important; background-color: var(--deep-red-color); }
  .header-container { padding: 0 15px; }
  .hamburger-menu { display: block; }
  .logo { flex: 1 !important; display: flex !important; justify-content: center !important; align-items: center !important; font-size: 24px; }
  .logo img { max-height: 56px !important; }
  .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(--primary-color);
  }
  .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;
  }

  .main-nav {
    position: fixed; top: var(--header-offset); left: 0; width: 80%; max-width: 300px; height: calc(100% - var(--header-offset));
    background-color: var(--primary-color); flex-direction: column; align-items: flex-start; padding: 20px;
    transform: translateX(-100%); transition: transform 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3); overflow-y: auto; display: none; /* Default hidden */
    box-sizing: border-box;
  }
  .main-nav.active { display: flex; transform: translateX(0); }
  .nav-container { flex-direction: column; align-items: flex-start; padding: 0; width: 100%; }
  .nav-link { width: 100%; padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); font-size: 17px; }
  .nav-link:last-child { border-bottom: none; }

  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-col { margin-bottom: 30px; }
  .footer-col:last-child { margin-bottom: 0; }
  .footer-nav { margin-top: 15px; }
  .footer-nav li { margin-bottom: 10px; }
}
/* 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;
}