.site-header { position: fixed; top: 0; left: 0; width: 100%; min-height: auto; z-index: 1000; background: #FFFFFF; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12); display: block; } .site-header .header-top { background-color: #FFFFFF; width: 100%; border-bottom: 1px solid #D6E2FF; } .site-header .header-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding-left: 24px; padding-right: 24px; min-height: 68px; box-sizing: border-box; } .site-header .logo { color: #2F6BFF; font-size: 28px; font-weight: 800; text-decoration: none; letter-spacing: -0.5px; line-height: 1.2; } .site-header .desktop-nav-buttons { display: flex; gap: 10px; } .site-header .desktop-nav-buttons .btn { background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #FFFFFF; padding: 10px 18px; border-radius: 6px; text-decoration: none; font-size: 14px; font-weight: 600; border: none; cursor: pointer; } .site-header .desktop-nav-buttons .btn-login { background: #FFFFFF; color: #2F6BFF; border: 1.5px solid #2F6BFF; } .site-header .main-nav { background-color: #F4F7FB; width: 100%; min-height: 52px; display: flex; align-items: center; border-bottom: 1px solid #D6E2FF; } .site-header .nav-container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: row; justify-content: center; align-items: center; padding: 0 24px; gap: 0px; width: 100%; box-sizing: border-box; } .site-header .nav-link { color: #1F2D3D; font-size: 15px; font-weight: 500; text-decoration: none; padding: 12px 18px; display: inline-block; transition: color 0.2s ease, border-bottom 0.2s ease; border-bottom: 2px solid transparent; } .site-header .nav-link:hover { color: #2F6BFF; } .site-header .nav-link.active { color: #2F6BFF; border-bottom-color: #2F6BFF; } .hamburger-menu { display: none; } .mobile-menu-overlay { display: none; } .mobile-nav-buttons { display: none; } :root { --header-offset: 122px; } body { padding-top: var(--header-offset); margin: 0; font-family: system-ui, -apple-system, sans-serif; background: #F4F7FB; } .site-footer { background-color: #1F2D3D; color: #FFFFFF; padding-top: 40px; font-size: 14px; } .site-footer .footer-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; } .site-footer .footer-brand .footer-logo { color: #FFFFFF; font-size: 26px; font-weight: 800; text-decoration: none; } .site-footer .footer-description { margin-top: 16px; line-height: 1.6; color: #A5C4FF; } .site-footer .footer-links h4 { color: #FFFFFF; font-size: 17px; margin-bottom: 18px; font-weight: 600; } .site-footer .footer-nav { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; } .site-footer .footer-nav a { color: #A5C4FF; text-decoration: none; transition: color 0.2s ease; } .site-footer .footer-nav a:hover { color: #FFFFFF; } .site-footer .footer-bottom { border-top: 1px solid rgba(166, 180, 201, 0.4); margin-top: 40px; text-align: center; padding: 18px 0; color: #A5C4FF; } @media (max-width: 768px) { .site-header .header-top .header-container { min-height: 60px; } .site-header .header-container { width: 100%; max-width: none; padding-left: 12px; padding-right: 12px; min-height: 60px; } .site-header .header-top { padding-left: 0; padding-right: 0; border-bottom: 1px solid #D6E2FF; } .site-header .main-nav { display: block; position: fixed; top: 60px; left: 0; width: 260px; height: 62%; background: #FFFFFF; flex-direction: column; transform: translateX(-100%); transition: transform 0.3s ease; z-index: 1001; box-shadow: 2px 0 12px rgba(0,0,0,0.1); border-bottom-right-radius: 12px; overflow-y: auto; } .site-header .main-nav.active { display: block; transform: translateX(0); } .site-header .nav-container { flex-direction: column; align-items: flex-start; padding: 0; width: 100%; max-width: none; } .site-header .nav-link { padding: 14px 20px; width: 100%; border-bottom: 1px solid #D6E2FF; color: #1F2D3D; font-size: 15px; } .site-header .desktop-nav-buttons { display: none; } .mobile-nav-buttons { display: block; background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #FFFFFF; text-decoration: none; text-align: center; padding: 12px 0; font-weight: 600; font-size: 15px; position: fixed; top: 60px; left: 0; width: 100%; z-index: 999; } .hamburger-menu { display: flex; position: fixed; top: 0; left: 0; z-index: 1002; background: none; border: none; padding: 18px; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; width: 60px; height: 60px; align-items: center; box-sizing: border-box; } .hamburger-menu span { display: block; width: 22px; height: 2.5px; background: #2F6BFF; transition: all 0.3s ease; } .hamburger-menu.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); } .hamburger-menu.active span:nth-child(2) { opacity: 0; } .hamburger-menu.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); } .mobile-menu-overlay.active { display: block; position: fixed; top: 0; bottom: 0; left: 0; right: 0; background-color: rgba(0,0,0,0.5); z-index: 1000; } .site-header .logo { font-size: 20px; display: block; } .site-header .header-container { justify-content: center; } .desktop-nav-buttons .btn { display: none; } .site-header .header-top { padding-left: 0; padding-right: 0; } .site-header .header-container { justify-content: center; position: relative; } .site-header .logo { margin-right: 0; } :root { --header-offset: 110px; } .site-footer .footer-container { grid-template-columns: 1fr; gap: 24px; padding: 0 16px; text-align: left; } .site-footer .footer-bottom { margin-top: 20px; } body { padding-top: var(--header-offset); } body.no-scroll { overflow: hidden; } .page-content img { max-width: 100% !important; height: auto !important; display: block; } .page-content { overflow-x: hidden; max-width: 100%; } body { overflow-x: hidden; } .site-header .header-top { position: fixed; top: 0; left: 0; width: 100%; z-index: 1001; padding-top: 0; margin-top: 0; } .mobile-nav-buttons { top: 60px; } .site-header .main-nav { top: 108px; } .site-header .desktop-nav-buttons .btn, .site-header .desktop-nav-buttons .btn-login { background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); color: #fff; border: none; } }
/* 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;
}