:root { --header-offset: 122px; --primary-color: #E53935; --secondary-color: #FF5A4F; --text-main-color: #333333; --card-bg-color: #FFFFFF; --background-color: #F5F7FA; --border-color: #E0E0E0; }
body { margin: 0; font-family: 'Arial', sans-serif; line-height: 1.6; color: var(--text-main-color); padding-top: var(--header-offset); overflow-x: hidden; }

/* Header Styles */
.site-header { position: fixed; top: 0; left: 0; right: 0; width: 100%; z-index: 1000; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); background-color: var(--card-bg-color); }

.header-top { box-sizing: border-box; min-height: 68px; height: 68px; display: flex; align-items: center; overflow: hidden; background-color: var(--primary-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 30px; }

.logo { text-decoration: none; font-size: 28px; font-weight: bold; color: var(--card-bg-color); display: flex; align-items: center; 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; }
.btn { display: inline-block; padding: 10px 20px; border-radius: 8px; text-decoration: none; font-weight: bold; text-align: center; white-space: nowrap; transition: all 0.3s ease; border: none; cursor: pointer; color: var(--card-bg-color); background: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%); }
.btn:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); }

.mobile-nav-buttons { box-sizing: border-box; display: none; min-height: 48px; background-color: var(--background-color); padding: 0 15px; }

.main-nav { box-sizing: border-box; min-height: 52px; height: 52px; display: flex; align-items: center; overflow: hidden; background-color: var(--card-bg-color); width: 100%; border-top: 1px solid var(--border-color); }
.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; }
.nav-link { text-decoration: none; color: var(--text-main-color); padding: 8px 15px; font-weight: 500; transition: color 0.3s ease; white-space: nowrap; }
.nav-link:hover { color: var(--primary-color); }

.hamburger-menu { display: none; cursor: pointer; flex-direction: column; justify-content: space-around; width: 30px; height: 25px; padding: 5px; z-index: 1001; }
.hamburger-menu .bar { width: 100%; height: 3px; background-color: var(--card-bg-color); transition: all 0.3s ease; }
.hamburger-menu.active .bar:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.hamburger-menu.active .bar:nth-child(2) { opacity: 0; }
.hamburger-menu.active .bar:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

.overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); z-index: 999; }

/* Footer Styles */
.site-footer { background-color: var(--primary-color); color: var(--card-bg-color); padding: 40px 20px 20px; font-size: 14px; }
.footer-top-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; max-width: 1200px; margin: 0 auto 30px; }
.footer-col { padding-bottom: 20px; }
.footer-logo { display: block; text-decoration: none; font-size: 24px; font-weight: bold; color: var(--card-bg-color); margin-bottom: 15px; }
.footer-description { margin-bottom: 20px; line-height: 1.8; word-wrap: break-word; overflow-wrap: break-word; }
.footer-col h3 { font-size: 18px; margin-bottom: 15px; color: var(--card-bg-color); }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 8px; }
.footer-nav a { text-decoration: none; color: var(--card-bg-color); opacity: 0.8; transition: opacity 0.3s ease; white-space: nowrap; }
.footer-nav a:hover { opacity: 1; text-decoration: underline; }

.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.2); padding-top: 20px; text-align: center; font-size: 13px; opacity: 0.8; max-width: 1200px; margin: 0 auto; }

/* Slot anchors - must be present */
.footer-slot-anchor-outer, .footer-slot-anchor-inner { display: contents; }

/* Responsive Styles */
@media (max-width: 768px) {
  :root { --header-offset: 110px; }
  body { padding-top: var(--header-offset); overflow-x: hidden; }

  .header-top { min-height: 60px !important; height: 60px !important; }
  .header-container { width: 100%; max-width: none; padding: 0 15px; justify-content: space-between; }
  .logo { flex: 1 !important; display: flex !important; justify-content: center !important; align-items: center !important; font-size: 24px; }
  .logo img { display: block !important; max-width: 100%; height: auto; max-height: 56px; }

  .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; border-top: 1px solid var(--border-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 { min-height: 48px !important; height: 48px !important; display: none; flex-direction: column; position: fixed; top: var(--header-offset); left: 0; width: 75%; max-width: 300px; height: calc(100% - var(--header-offset)); background-color: var(--card-bg-color); overflow-y: auto; transform: translateX(-100%); transition: transform 0.3s ease; z-index: 1002; border-top: none; }
  .main-nav.active { display: flex; transform: translateX(0); }
  .nav-container { width: 100%; max-width: none; padding: 15px 0; flex-direction: column; align-items: flex-start; }
  .nav-link { width: 100%; padding: 12px 20px; border-bottom: 1px solid var(--border-color); }
  .nav-link:last-child { border-bottom: none; }

  .hamburger-menu { display: flex; }

  .footer-top-grid { grid-template-columns: 1fr; }
  .footer-col { text-align: center; }
  .footer-logo { margin-left: auto; margin-right: auto; }
  .footer-nav li { display: inline-block; margin: 0 8px 8px; }
  .footer-nav { text-align: center; }

  .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;
  }
}