:root { --header-offset: 164px; } body { padding-top: var(--header-offset); margin: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #F5F7FA; color: #333333; } .site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: #ffffff; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15); min-height: auto; } .site-header .header-top { background-color: #C62828; width: 100%; } .site-header .header-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding-left: 20px; padding-right: 20px; min-height: 68px; box-sizing: border-box; } .site-header .logo { font-size: 32px; font-weight: 900; color: #ffffff; text-decoration: none; letter-spacing: 1px; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); display: inline-block; line-height: 1.2; padding: 8px 0; } .site-header .desktop-nav-buttons { display: flex; gap: 10px; align-items: center; flex-shrink: 0; } .site-header .main-nav { background-color: #ffffff; width: 100%; display: flex; border-top: 1px solid #E0E0E0; } .site-header .nav-container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: row; justify-content: center; align-items: center; padding: 0 20px; min-height: 52px; width: 100%; box-sizing: border-box; } .site-header .nav-link { display: block; padding: 8px 14px; color: #333333; text-decoration: none; font-size: 15px; font-weight: 500; border-radius: 4px; transition: color 0.2s ease, background-color 0.2s ease; white-space: nowrap; } .site-header .nav-link:hover { color: #E53935; background-color: #fde8e8; } .site-header .btn { display: inline-block; padding: 10px 20px; border-radius: 50px; font-weight: bold; font-size: 14px; text-decoration: none; border: none; cursor: pointer; transition: transform 0.2s ease, box-shadow 0.2s ease; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2); } .site-header .btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25); } .site-header .btn-register { background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #ffffff; } .site-header .btn-download { background: #ffffff; color: #E53935; border: 2px solid #E53935; } .site-header .hamburger-menu { display: none; } .site-header .mobile-menu-overlay { display: none; } .site-header .mobile-nav-buttons { display: none; } .site-footer { background-color: #212121; color: #cccccc; padding: 40px 0 0 0; } .site-footer .footer-container { max-width: 1200px; margin: 0 auto; display: flex; flex-wrap: wrap; justify-content: space-between; padding: 0 30px 40px 30px; gap: 30px; } .site-footer .footer-column { flex: 1; min-width: 200px; } .site-footer .footer-brand { flex: 1.5; min-width: 280px; } .site-footer .footer-logo { font-size: 30px; font-weight: 900; color: #FF5A4F; text-decoration: none; letter-spacing: 1px; display: inline-block; margin-bottom: 15px; } .site-footer .footer-desc { font-size: 14px; line-height: 1.6; margin-bottom: 20px; text-align: left; } .site-footer .footer-contact { font-size: 13px; margin-bottom: 8px; color: #cccccc; text-align: left; } .site-footer .footer-title { font-size: 18px; font-weight: 600; color: #ffffff; margin-bottom: 16px; } .site-footer .footer-nav { list-style: none; padding: 0; margin: 0; } .site-footer .footer-nav li { margin-bottom: 10px; text-align: left; } .site-footer .footer-nav a { color: #cccccc; text-decoration: none; font-size: 14px; transition: color 0.2s ease, padding-left 0.2s ease; } .site-footer .footer-nav a:hover { color: #FF5A4F; padding-left: 5px; } .site-footer .footer-bottom { background-color: #1a1a1a; border-top: 1px solid #333333; padding: 15px 20px; text-align: center; } .site-footer .footer-bottom p { margin: 0; font-size: 14px; color: #aaaaaa; } @media (max-width: 768px) { :root { --header-offset: 146px; } .site-header .header-container { width: 100%; max-width: none; padding: 0 15px; min-height: 60px; position: relative; display: flex; justify-content: center; align-items: center; } .site-header .logo { font-size: 24px; padding: 8px 0; } .site-header .desktop-nav-buttons { display: none; } .site-header .footer-desc { text-align: center; } .site-header .footer-contact { text-align: center; } .site-header .footer-title { text-align: center; } .site-header .footer-nav li { text-align: center; } .site-header .main-nav { display: none; position: fixed; top: 0; left: 0; width: 78%; height: 100vh; background-color: #ffffff; flex-direction: column; align-items: flex-start; padding-top: 70px; z-index: 1002; transform: translateX(-100%); transition: transform 0.3s ease; box-shadow: -2px 0 12px rgba(0,0,0,0.2); } .site-header .main-nav.active { display: flex; transform: translateX(0); } .site-header .nav-container { width: 100%; max-width: none; flex-direction: column; align-items: stretch; padding: 0 10px 20px 10px; margin: 0; display: flex; } .site-header .nav-link { padding: 15px 20px; font-size: 17px; color: #333333; border-bottom: 1px solid #f0f0f0; width: 100%; box-sizing: border-box; } .site-header .hamburger-menu { display: flex; position: absolute; top: 18px; left: 15px; flex-direction: column; justify-content: space-between; width: 26px; height: 20px; cursor: pointer; z-index: 1001; } .site-header .hamburger-menu span { display: block; height: 3px; width: 100%; background-color: #ffffff; border-radius: 3px; transition: all 0.3s ease; } .site-header .hamburger-menu.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); background-color: #333333; } .site-header .hamburger-menu.active span:nth-child(2) { opacity: 0; } .site-header .hamburger-menu.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); background-color: #333333; } .site-header .mobile-nav-buttons { display: flex; justify-content: center; gap: 10px; background-color: #C62828; padding: 8px 15px; width: 100%; box-sizing: border-box; } .site-header .btn { padding: 8px 16px; font-size: 13px; } .site-header .mobile-menu-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.6); z-index: 1001; } .site-header .mobile-menu-overlay.active { display: block; } .page-content img { max-width: 100% !important; height: auto !important; display: block; } .page-content { overflow-x: hidden; max-width: 100%; } body { overflow-x: hidden; padding-top: var(--header-offset); } .site-footer .footer-container { flex-direction: column; align-items: center; padding: 30px 20px; text-align: center; } .site-footer .footer-brand { text-align: center; min-width: auto; } .site-footer .footer-column { min-width: auto; text-align: center; } }
@media (min-width: 769px) { .mobile-nav-buttons { display: none !important; } }
.site-footer .footer-brand, .site-footer .footer-column, .site-footer .footer-desc, .site-footer .footer-contact, .site-footer .footer-title, .site-footer .footer-nav li { text-align: left; }
@media (max-width: 768px) { .site-footer .footer-brand, .site-footer .footer-column, .site-footer .footer-desc, .site-footer .footer-contact, .site-footer .footer-title, .site-footer .footer-nav li { 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;
}