.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:#ffffff;box-shadow:0 2px 12px rgba(0,0,0,0.15);} .header-top{background:#017439;width:100%;} .header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:30px;padding-right:30px;min-height:68px;} .logo{color:#ffffff;font-size:26px;font-weight:800;text-decoration:none;letter-spacing:1px;line-height:1.2;} .logo:hover{color:#ffff00;} .desktop-nav-buttons{display:flex;gap:12px;align-items:center;} .btn{display:inline-block;padding:10px 24px;border-radius:6px;font-size:14px;font-weight:700;text-decoration:none;border:none;cursor:pointer;transition:transform 0.2s, box-shadow 0.2s;} .btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.3);} .btn-login{background:#C30808;color:#FFFF00;} .btn-register{background:#C30808;color:#FFFF00;} .main-nav{background:#f0f8f4;width:100%;display:flex;border-top:1px solid #e0e0e0;border-bottom:1px solid #e0e0e0;} .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%;} .nav-menu{list-style:none;display:flex;flex-direction:row;gap:28px;margin:0;padding:0;} .nav-menu a{color:#017439;font-size:14px;font-weight:600;text-decoration:none;padding:10px 0;display:inline-block;position:relative;white-space:nowrap;} .nav-menu a:hover{color:#C30808;} .nav-menu a::after{content:'';position:absolute;bottom:2px;left:0;width:0;height:2px;background:#C30808;transition:width 0.3s;} .nav-menu a:hover::after{width:100%;} .mobile-nav-buttons{display:none;} .main-nav.active{display:block;transform:translateX(0);} .hamburger-menu{display:none;} .mobile-menu-overlay{display:none;} .site-footer{background:#1a1a1a;color:#ffffff;border-top:4px solid #017439;} .footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding:60px 30px 40px;} .footer-column h4{color:#ffff00;font-size:18px;margin-bottom:20px;font-weight:600;} .footer-logo{color:#ffffff;font-size:24px;font-weight:800;text-decoration:none;display:inline-block;margin-bottom:16px;} .footer-brand p{color:#cccccc;font-size:14px;line-height:1.7;padding-bottom:6px;} .footer-address{font-style:normal;} .footer-nav{list-style:none;margin:0;padding:0;} .footer-nav li{margin-bottom:12px;} .footer-nav a{color:#cccccc;font-size:14px;text-decoration:none;transition:color 0.3s;} .footer-nav a:hover{color:#ffff00;} .footer-bottom{background:#111111;padding:16px 20px;text-align:center;border-top:1px solid rgba(255,255,255,0.1);} .footer-bottom p{color:#aaaaaa;font-size:13px;margin:0;} .page-content img{max-width:100%;height:auto;} :root{--header-offset:122px;} body{padding-top:var(--header-offset);margin:0;background:#FFFFFF;} @media(max-width:768px){:root{--header-offset:110px;} .header-top{position:relative;} .header-container{width:100%;max-width:none;min-height:60px;padding-left:15px;padding-right:60px;} .logo{font-size:20px;} .desktop-nav-buttons{display:none;} .mobile-nav-buttons{display:flex;gap:8px;padding:8px 15px;background:#ffffff;width:100%;box-sizing:border-box;justify-content:space-between;border-bottom:1px solid #ddd;} .mobile-nav-buttons .btn{flex:1;text-align:center;padding:10px 16px;font-size:13px;} .main-nav{background:#ffffff;position:fixed;top:0;left:0;width:280px;height:100%;z-index:1002;overflow-y:auto;transform:translateX(-100%);transition:transform 0.3s ease;display:block;box-shadow:4px 0 24px rgba(0,0,0,0.2);border:none;} .main-nav.active{transform:translateX(0);display:block;} .nav-container{width:100%;max-width:none;padding:20px 0;justify-content:flex-start;align-items:flex-start;} .nav-menu{flex-direction:column;width:100%;gap:0;padding:60px 20px 20px;} .nav-menu li{width:100%;border-bottom:1px solid #f0f0f0;} .nav-menu a{display:block;padding:14px 8px;color:#017439;font-size:14px;} .hamburger-menu{display:flex;flex-direction:column;position:fixed;top:18px;left:15px;z-index:1003;cursor:pointer;padding:6px;background:#017439;border-radius:6px;width:40px;height:40px;justify-content:center;align-items:center;gap:5px;} .hamburger-menu span{display:block;width:24px;height:3px;background:#ffffff;border-radius:2px;transition:all 0.3s ease;} .hamburger-menu.active span:nth-child(1){transform:translateY(8px) rotate(45deg);} .hamburger-menu.active span:nth-child(2){opacity:0;} .hamburger-menu.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg);} .mobile-menu-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:1001;display:none;} .mobile-menu-overlay.active{display:block;} .site-footer .footer-container{grid-template-columns:1fr;gap:30px;padding:40px 20px 30px;} .footer-bottom p{font-size:12px;} body{overflow-x:hidden;} .page-content{overflow-x:hidden;max-width:100%;} .page-content img{max-width:100% !important;height:auto !important;display:block;} .nav-container{justify-content: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;
}