:root { --header-offset: 122px; --primary-color: #26A9E0; --secondary-color: #FFFFFF; --btn-login-color: #EA7C07; --btn-register-grad-1: #f7971e; --btn-register-grad-2: #ffd200; } body { padding-top: var(--header-offset); margin: 0; font-family: Arial, Helvetica, sans-serif; background-color: var(--secondary-color); color: #333333; } .site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background-color: var(--secondary-color); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); border-bottom: 1px solid #e0e0e0; min-height: auto; } .header-top { background-color: var(--primary-color); width: 100%; } .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; } .logo { font-size: 1.8rem; font-weight: 800; color: var(--secondary-color); text-decoration: none; letter-spacing: -0.5px; text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2); display: inline-block; } .logo:hover { color: #f0f0f0; } .desktop-nav-buttons { display: flex; align-items: center; gap: 10px; } .btn { display: inline-block; padding: 10px 18px; border-radius: 8px; font-weight: 700; text-decoration: none; border: none; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; font-size: 0.95rem; } .btn:hover { transform: translateY(-2px); box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2); } .btn-register { background: linear-gradient(135deg, var(--btn-register-grad-1), var(--btn-register-grad-2)); color: #000; } .btn-login { background-color: var(--btn-login-color); color: var(--secondary-color); } .main-nav { width: 100%; background-color: #eef9ff; display: flex; border-top: 1px solid #d0ebf7; } .nav-container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: row; justify-content: center; align-items: center; padding: 8px 20px; gap: 6px; flex-wrap: wrap; } .nav-link { color: #003366; text-decoration: none; font-weight: 600; padding: 8px 12px; border-radius: 4px; transition: background-color 0.2s, color 0.2s; font-size: 0.95rem; white-space: nowrap; } .nav-link:hover { background-color: var(--primary-color); color: var(--secondary-color); } .mobile-nav-buttons { display: none; } .hamburger-menu { display: none; } .mobile-menu-overlay { display: none; } .site-footer { background-color: #f8f9fa; border-top: 4px solid var(--primary-color); padding: 40px 20px 20px; margin-top: 40px; } .footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1.5fr 1.5fr 1.5fr; gap: 30px; } .footer-col h4 { color: var(--primary-color); font-size: 1.1rem; margin-bottom: 15px; } .footer-logo { font-size: 1.5rem; font-weight: 800; color: var(--primary-color); text-decoration: none; display: block; margin-bottom: 10px; } .footer-about p { color: #666; line-height: 1.6; font-size: 0.9rem; } .footer-links ul, .footer-quick-links ul { list-style: none; padding: 0; } .footer-links li, .footer-quick-links li { margin-bottom: 8px; } .footer-links a, .footer-quick-links a { color: #555; text-decoration: none; transition: color 0.2s; font-size: 0.9rem; } .footer-links a:hover, .footer-quick-links a:hover { color: var(--primary-color); text-decoration: underline; } .footer-contact p { color: #555; margin-bottom: 10px; font-size: 0.9rem; } .btn-footer-support { display: inline-block; background: linear-gradient(135deg, var(--btn-register-grad-1), var(--btn-register-grad-2)); color: #000; padding: 8px 16px; border-radius: 6px; font-weight: 700; text-decoration: none; font-size: 0.9rem; } .footer-bottom { border-top: 1px solid #e0e0e0; margin-top: 30px; padding-top: 15px; text-align: center; color: #777; font-size: 0.85rem; } @media (max-width: 768px) { :root { --header-offset: 110px; } .header-container { width: 100%; max-width: none; padding-left: 15px; padding-right: 15px; min-height: 60px; position: relative; } .logo { font-size: 1.5rem; position: absolute; left: 50%; transform: translateX(-50%); } .desktop-nav-buttons { display: none; } .hamburger-menu { display: flex; flex-direction: column; justify-content: center; align-items: center; width: 40px; height: 40px; cursor: pointer; z-index: 1003; gap: 5px; } .hamburger-menu span { display: block; width: 25px; height: 3px; background-color: var(--secondary-color); border-radius: 2px; 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-nav-buttons { display: flex; justify-content: center; align-items: center; gap: 15px; padding: 10px 15px; background-color: var(--secondary-color); border-bottom: 1px solid #e0e0e0; width: 100%; box-sizing: border-box; } .mobile-nav-buttons .btn { flex: 1; max-width: 150px; text-align: center; padding: 10px; } .main-nav { display: none; position: fixed; top: 0; left: 0; width: 80%; max-width: 300px; height: 100vh; background-color: var(--secondary-color); flex-direction: column; justify-content: flex-start; align-items: stretch; transform: translateX(-100%); transition: transform 0.3s ease; z-index: 1002; box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3); border-top: none; padding-top: 80px; overflow-y: auto; } .main-nav.active { display: flex; transform: translateX(0); } .nav-container { width: 100%; max-width: none; flex-direction: column; align-items: stretch; padding: 10px; } .nav-link { display: block; padding: 12px 15px; border-bottom: 1px solid #eee; font-size: 1rem; text-align: left; color: #333; } .nav-link:hover { background-color: #f0f8ff; color: var(--primary-color); } .mobile-menu-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); z-index: 1001; } .mobile-menu-overlay.active { display: block; } .footer-container { grid-template-columns: 1fr 1fr; gap: 20px; } .footer-about { grid-column: 1 / -1; } .footer-bottom { font-size: 0.8rem; } } @media (max-width: 480px) { .footer-container { grid-template-columns: 1fr; } .btn { padding: 8px 12px; font-size: 0.85rem; } .header-container { padding-left: 10px; padding-right: 10px; } .logo { font-size: 1.2rem; } } .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;
}