:root { --header-offset: 122px; --primary: #E53935; --secondary: #FF5A4F; --bg: #F5F7FA; --card-bg: #FFFFFF; --text-main: #333333; --border: #E0E0E0; --text-light: #FFFFFF; } body { margin: 0; padding: 0; font-family: Arial, Helvetica, sans-serif; background-color: var(--bg); color: var(--text-main); padding-top: var(--header-offset); } .site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background-color: #FFFFFF; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); font-family: inherit; } .header-top { width: 100%; background-color: #C62828; } .header-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 12px 24px; box-sizing: border-box; } .logo { display: inline-block; font-size: 36px; font-weight: 900; color: #FFFFFF; text-decoration: none; letter-spacing: -1px; text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3); white-space: nowrap; } .desktop-nav-buttons { display: flex; align-items: center; gap: 12px; } .btn { display: inline-block; text-decoration: none; padding: 10px 24px; border-radius: 50px; font-weight: bold; font-size: 14px; border: 2px solid transparent; transition: all 0.3s ease; color: white; cursor: pointer; text-align: center; white-space: nowrap; } .btn-register { background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); border-color: #FFFFFF; } .btn-login { background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); border-color: #FFFFFF; } .btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(229, 57, 53, 0.4); } .main-nav { width: 100%; background-color: #FFFFFF; display: flex; } .nav-container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: row; justify-content: center; align-items: center; padding: 8px 24px; gap: 4px; box-sizing: border-box; width: 100%; } .nav-link { display: inline-block; padding: 10px 14px; color: var(--text-main); text-decoration: none; font-size: 15px; font-weight: 600; border-radius: 6px; transition: all 0.3s ease; white-space: nowrap; border-bottom: 2px solid transparent; } .nav-link:hover { color: var(--primary); background-color: rgba(229, 57, 53, 0.08); border-bottom-color: var(--primary); } .nav-link.active { color: var(--primary); border-bottom-color: var(--primary); } .mobile-nav-buttons { display: none; } .hamburger-menu { display: none; } .mobile-menu-overlay { display: none; } .site-footer { background-color: #212121; color: #BDBDBD; padding: 48px 0 0; font-family: inherit; margin-top: 40px; } .footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; padding: 0 24px; box-sizing: border-box; } .footer-column { min-width: 0; } .footer-brand .footer-logo { display: inline-block; font-size: 32px; font-weight: 900; color: #FFFFFF; text-decoration: none; margin-bottom: 16px; } .footer-description { font-size: 14px; line-height: 1.6; margin: 0 0 16px; color: #BDBDBD; } .footer-badges { display: flex; gap: 8px; } .badge { display: inline-block; background-color: var(--primary); color: white; font-size: 12px; font-weight: bold; padding: 2px 8px; border-radius: 4px; } .footer-title { color: #FFFFFF; font-size: 16px; font-weight: 700; margin: 0 0 16px; text-transform: uppercase; letter-spacing: 0.5px; } .footer-nav { display: flex; flex-direction: column; gap: 10px; } .footer-nav a { color: #BDBDBD; text-decoration: none; font-size: 14px; transition: all 0.3s ease; line-height: 1.5; } .footer-nav a:hover { color: var(--secondary); padding-left: 4px; } .footer-bottom { background-color: #1A1A1A; text-align: center; padding: 16px 20px; margin-top: 40px; border-top: 1px solid #333333; } .copyright { color: #BDBDBD; font-size: 14px; margin: 0 0 4px; } .footer-disclaimer { color: #757575; font-size: 12px; margin: 0; } .page-content { padding: 10px 20px 20px; max-width: 1200px; margin: 0 auto; box-sizing: border-box; } @media (max-width: 768px) { :root { --header-offset: 110px; } .page-content img { max-width: 100% !important; height: auto !important; display: block; } .page-content { overflow-x: hidden; max-width: 100%; } body { overflow-x: hidden; } .header-container { width: 100%; max-width: none; padding: 10px 16px; justify-content: space-between; } .logo { font-size: 30px; } .desktop-nav-buttons { display: none; } .mobile-nav-buttons { display: flex; gap: 10px; justify-content: center; padding: 10px 16px; background-color: #C62828; margin-top: 0; } .mobile-nav-buttons .btn { padding: 8px 20px; font-size: 13px; } .main-nav { display: none; flex-direction: column; position: fixed; top: 0; left: 0; width: 260px; height: 100vh; background-color: #FFFFFF; z-index: 1002; transform: translateX(-100%); transition: transform 0.3s ease; overflow-y: auto; padding-top: 60px; } .main-nav.active { display: flex; transform: translateX(0); } .nav-container { flex-direction: column; align-items: flex-start; padding: 10px 20px; width: 100%; max-width: none; } .nav-link { width: 100%; padding: 14px 12px; border-bottom: 1px solid #E0E0E0; font-size: 14px; text-align: left; } .hamburger-menu { display: flex; width: 44px; height: 44px; flex-direction: column; justify-content: center; align-items: center; gap: 6px; background: transparent; border: none; cursor: pointer; z-index: 1005; padding: 0; margin: 0; } .hamburger-menu span { display: block; width: 26px; height: 3px; background-color: #FFFFFF; border-radius: 2px; transition: all 0.3s ease; } .hamburger-menu.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); } .hamburger-menu.active span:nth-child(2) { opacity: 0; } .hamburger-menu.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); } .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; } .mobile-menu-overlay.active { display: block; } body.no-scroll { overflow: hidden; } .site-header { box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); } .footer-container { grid-template-columns: 1fr; gap: 24px; padding: 0 16px; } .footer-bottom { padding: 12px 16px; margin-top: 24px; } }
/* 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;
}