.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background-color:#ffffff;box-shadow:0 2px 8px rgba(0,0,0,0.15);min-height:auto;font-family:'Segoe UI',Tahoma,Arial,sans-serif}.header-top{background-color:#017439;width:100%}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 30px;min-height:68px;position:relative}.hamburger-menu{display:none;background:none;border:none;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px;padding:0;z-index:1002}.hamburger-line{display:block;width:22px;height:2px;background-color:#ffffff;transition:transform 0.3s ease,opacity 0.3s ease}.hamburger-menu.active .hamburger-line:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger-menu.active .hamburger-line:nth-child(2){opacity:0}.hamburger-menu.active .hamburger-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.logo{font-size:28px;font-weight:800;color:#ffffff;text-decoration:none;letter-spacing:1px;text-transform:uppercase;order:1;display:block}.desktop-nav-buttons{display:flex;align-items:center;justify-content:flex-end;gap:10px;order:2}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border-radius:25px;font-size:14px;font-weight:700;text-decoration:none;cursor:pointer;transition:all 0.3s ease;border:2px solid transparent;letter-spacing:0.3px;white-space:nowrap}.btn-login{background-color:#C30808;color:#FFFF00;border-color:#C30808}.btn-login:hover{background-color:#a00606;color:#FFFF00;transform:translateY(-2px);box-shadow:0 4px 12px rgba(195,8,8,0.35)}.btn-register{background-color:#C30808;color:#FFFF00;border-color:#C30808}.btn-register:hover{background-color:#a00606;color:#FFFF00;transform:translateY(-2px);box-shadow:0 4px 12px rgba(195,8,8,0.35)}.main-nav{background-color:#ffffff;width:100%;display:flex;border-top:1px solid #e8e8e8;border-bottom:1px solid #e8e8e8}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 10px;width:100%;min-height:52px}.nav-link{color:#222222;text-decoration:none;font-size:14px;font-weight:600;padding:8px 12px;transition:color 0.3s ease;border-radius:4px;white-space:nowrap}.nav-link:hover{color:#017439;background-color:#e6f4ec}.mobile-nav-buttons{display:none;background-color:#ffffff}.mobile-menu-overlay{display:none}.site-footer{background-color:#1a1a1a;color:#cccccc;font-family:'Segoe UI',Tahoma,Arial,sans-serif;padding:50px 0 0;margin-top:40px}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding:0 30px 40px}.footer-brand .footer-logo{font-size:30px;font-weight:800;color:#ffffff;text-decoration:none;text-transform:uppercase;letter-spacing:1px}.footer-desc{color:#b3b3b3;line-height:1.8;margin-top:18px;font-size:14px;max-width:360px}.footer-heading{color:#ffffff;font-size:16px;font-weight:700;margin-bottom:18px;text-transform:uppercase;position:relative;padding-bottom:10px;letter-spacing:0.5px}.footer-heading::after{content:'';position:absolute;bottom:0;left:0;width:35px;height:2px;background-color:#017439}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin-bottom:10px}.footer-links a{color:#b3b3b3;text-decoration:none;font-size:14px;transition:color 0.3s ease;line-height:1.6;display:inline-block}.footer-links a:hover{color:#ffffff;padding-left:4px;transition:all 0.3s ease}.footer-bottom{background-color:#111111;padding:20px 30px;text-align:center;border-top:1px solid #2a2a2a}.copyright-text{color:#b3b3b3;font-size:14px;margin:0}.footer-bottom a{color:#cccccc;text-decoration:none}.footer-bottom a:hover{color:#ffffff}:root{--header-offset:122px}body{padding-top:var(--header-offset);margin:0;background-color:#f5f5f5;overflow-x:hidden}@media(max-width:768px){.header-top{background-color:#017439}.header-container{width:100%;max-width:none;padding:0 15px;min-height:72px;display:flex;align-items:center;justify-content:space-between}.hamburger-menu{display:flex;order:1;position:relative;z-index:1002}.logo{order:2;font-size:24px;margin:0 auto;position:absolute;left:50%;transform:translateX(-50%);text-align:center;z-index:1001}.desktop-nav-buttons{display:none}.mobile-nav-buttons{display:flex;justify-content:center;align-items:center;gap:10px;padding:10px 16px;background-color:#017439;border-top:1px solid rgba(255,255,255,0.1);position:relative;z-index:990}.mobile-nav-buttons .btn{flex:1;max-width:200px;text-align:center}.main-nav{display:none;position:fixed;top:0;left:0;width:300px;height:100%;background-color:#ffffff;flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:80px 30px 30px;box-shadow:2px 0 15px rgba(0,0,0,0.2);transform:translateX(-100%);transition:transform 0.3s ease;overflow-y:auto;z-index:998}.main-nav.active{display:block;transform:translateX(0)}.nav-container{width:100%;max-width:none;flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:0}.nav-link{display:block;padding:12px 0;font-size:15px;color:#222222;border-bottom:1px solid #eaeaea;width:100%}.nav-link:hover{background:none;color:#017439;padding-left:8px}.mobile-menu-overlay{display:block;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,0.6);z-index:997;opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease}.mobile-menu-overlay.active{opacity:1;visibility:visible}.site-footer .footer-container{grid-template-columns:1fr;gap:30px;padding:0 20px 30px;width:100%;max-width:none}.footer-bottom{padding:18px 20px}.footer-col{border-bottom:1px solid #2a2a2a;padding-bottom:25px}.footer-col:last-child{border-bottom:none}:root{--header-offset:110px}.page-content{padding-top:10px}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}}@media(min-width:769px){.mobile-menu-overlay{display: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;
}