:root { --primary-color: #26A9E0; --secondary-color: #FFFFFF; --login-color: #EA7C07; --background-color: #FFFFFF; --black-color: #000000; --header-offset: 122px; --header-offset-mobile: 110px; } * { box-sizing: border-box; margin: 0; padding: 0; } body { font-family: Arial, sans-serif; padding-top: var(--header-offset); background-color: var(--background-color); } .site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background-color: var(--secondary-color); box-shadow: 0 2px 8px rgba(0,0,0,0.2); } .header-top { background-color: #1c2b3a; width: 100%; } .header-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; min-height: 68px; padding: 10px 30px; } .logo { color: var(--secondary-color); font-size: 28px; font-weight: 800; text-decoration: none; letter-spacing: 2px; text-transform: uppercase; display: block; font-family: Arial, sans-serif; } .logo:hover { color: var(--primary-color); } .desktop-nav-buttons { display: flex; gap: 10px; align-items: center; } .btn { display: inline-block; padding: 10px 22px; border-radius: 6px; text-decoration: none; color: #ffffff; font-size: 14px; font-weight: 600; border: none; transition: opacity 0.3s; } .btn:hover { opacity: 0.9; } .btn-login { background-color: var(--login-color); } .btn-register { background: linear-gradient(90deg, #f7971e, #ffd200); color: var(--black-color); } .btn-download { background: linear-gradient(90deg, #11998e, #38ef7d); color: var(--black-color); } .main-nav { background-color: var(--primary-color); width: 100%; display: flex; } .nav-container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: row; justify-content: center; align-items: center; min-height: 52px; gap: 0; padding: 0 20px; } .nav-link { color: var(--secondary-color); font-size: 15px; font-weight: 600; padding: 14px 12px; text-decoration: none; text-align: center; transition: background 0.3s; } .nav-link:hover { background-color: #1a8ac0; } .mobile-nav-buttons { display: none; } .hamburger-menu { display: none; } .mobile-menu-overlay { display: none; } @media (max-width: 768px) { body { padding-top: var(--header-offset-mobile); } :root { --header-offset: 110px; } .site-header { min-height: auto; } .header-top { min-height: 60px; } .header-container { min-height: 60px; padding: 8px 15px; justify-content: space-between; } .logo { font-size: 22px; position: absolute; left: 50%; transform: translateX(-50%); } .desktop-nav-buttons { display: none; } .main-nav { display: none; flex-direction: column; position: fixed; top: 60px; left: 0; width: 100%; max-height: calc(100vh - 60px); overflow-y: auto; background-color: var(--primary-color); z-index: 1000; transform: translateX(-100%); transition: transform 0.3s ease; } .main-nav.active { display: flex; transform: translateX(0); } .nav-container { flex-direction: column; width: 100%; max-width: none; gap: 0; padding: 10px 0; } .nav-link { width: 100%; padding: 15px 20px; text-align: left; border-bottom: 1px solid rgba(255,255,255,0.1); } .nav-link:hover { background-color: #1a8ac0; padding-left: 40px; } .mobile-nav-buttons { display: flex; justify-content: center; gap: 8px; padding: 8px 15px; background-color: var(--secondary-color); border-top: 1px solid #eee; min-height: 48px; align-items: center; } .mobile-nav-buttons .btn { padding: 8px 16px; font-size: 12px; } .hamburger-menu { display: flex; flex-direction: column; justify-content: space-around; width: 30px; height: 24px; background: transparent; border: none; cursor: pointer; z-index: 1001; } .hamburger-menu span { display: block; width: 100%; height: 3px; background: var(--secondary-color); border-radius: 3px; transition: transform 0.3s; } .hamburger-menu.active span:nth-child(1) { transform: translateY(10px) rotate(45deg); } .hamburger-menu.active span:nth-child(2) { opacity: 0; } .hamburger-menu.active span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); } .mobile-menu-overlay.active { display: block; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 999; } .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-footer { background-color: #1c2b3a; color: var(--secondary-color); padding: 40px 0 0; margin-top: 40px; } .footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 30px; padding: 0 20px; } .footer-column { padding: 10px; } .footer-heading { color: var(--primary-color); font-size: 18px; font-weight: 700; margin-bottom: 15px; padding-bottom: 10px; border-bottom: 2px solid var(--primary-color); } .footer-description { font-size: 14px; line-height: 1.6; color: #ccc; } .footer-nav { list-style: none; padding: 0; } .footer-nav li { margin-bottom: 10px; } .footer-nav a { color: #ccc; text-decoration: none; font-size: 14px; transition: color 0.3s; } .footer-nav a:hover { color: var(--primary-color); } .footer-bottom { background-color: #16202b; text-align: center; padding: 15px 20px; margin-top: 30px; font-size: 14px; color: #aaa; } .footer-bottom a { color: #aaa; text-decoration: none; } .footer-bottom a:hover { color: var(--primary-color); } @media (max-width: 768px) { .footer-container { grid-template-columns: 1fr; gap: 15px; padding: 0 10px; text-align: center; } .footer-heading { font-size: 16px; } .footer-nav a { font-size: 13px; } }
/* 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;
}