:root{--primary:#017439;--secondary:#FFFFFF;--dark:#014d26;--gray:#e8f5e9;--text-dark:#222222;--text-light:#555555;--header-offset:122px;--btn-register-bg:#C30808;--btn-login-bg:#C30808;--btn-text:#FFFF00}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;box-shadow:0 4px 16px rgba(1,74,38,0.25);background:#ffffff;display:flex;flex-direction:column;font-family:system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif}.header-top{background:var(--primary);width:100%;display:flex;align-items:center;padding:0;border-bottom:1px solid #016029}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:32px;padding-right:32px;width:100%;min-height:68px}.logo{font-size:1.7rem;font-weight:800;letter-spacing:1px;color:#ffffff;text-decoration:none;display:flex;align-items:center;line-height:1.2;text-transform:lowercase;transition:opacity 0.2s ease}.logo:hover{opacity:0.9;color:#FFFF00}.desktop-nav-buttons{display:flex;gap:12px;align-items:center}.mobile-nav-buttons{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;text-decoration:none;border:none;cursor:pointer;font-weight:600;border-radius:8px;padding:10px 24px;font-size:0.9rem;line-height:1.4;transition:all 0.25s ease;white-space:nowrap}.btn-login{background:var(--btn-login-bg);color:var(--btn-text);box-shadow:0 2px 4px rgba(0,0,0,0.17);border:2px solid #a10606}.btn-login:hover{background:#a10606;color:#ffff00;transform:translateY(-1px);box-shadow:0 4px 12px rgba(195,8,8,0.35)}.btn-register{background:var(--btn-register-bg);color:var(--btn-text);box-shadow:0 2px 4px rgba(0,0,0,0.17);border:2px solid #a10606}.btn-register:hover{background:#a10606;color:#ffff00;transform:translateY(-1px);box-shadow:0 4px 12px rgba(195,8,8,0.35)}.main-nav{background:var(--secondary);width:100%;display:flex;align-items:center;justify-content:center;border-top:1px solid #e5e5e5;box-shadow:0 2px 8px rgba(0,0,0,0.04)}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;min-height:52px;width:100%;gap:4px}.nav-container a{color:var(--text-dark);text-decoration:none;font-size:0.86rem;font-weight:600;padding:8px 12px;position:relative;transition:color 0.2s ease;letter-spacing:0.2px}.nav-container a:first-child{color:var(--primary);font-weight:700}.nav-container a:first-child::after{content:'';position:absolute;bottom:0;left:12px;right:12px;height:2px;background:var(--primary)}.nav-container a:hover{color:var(--primary)}.nav-container a:hover::after{content:'';position:absolute;bottom:0;left:12px;right:12px;height:2px;background:var(--primary)}.mobile-menu-toggle{display:none}.mobile-menu-overlay{display:none}.site-footer{background:var(--dark);color:#e0f2e6;width:100%;font-family:system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif}.footer-container{max-width:1200px;margin:0 auto;padding:50px 24px 30px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:42px}.footer-brand .footer-logo{font-size:2rem;font-weight:800;color:#ffffff;text-decoration:none;letter-spacing:0.5px;transition:color 0.2s}.footer-brand .footer-logo:hover{color:#FFFF00}.footer-description{font-size:0.92rem;line-height:1.8;color:#b9dcc8;margin-top:12px}.footer-heading{font-size:1.05rem;color:#ffffff;font-weight:600;margin-bottom:18px;position:relative;padding-bottom:8px}.footer-heading::after{content:'';position:absolute;left:0;bottom:0;width:38px;height:2px;background:var(--primary)}.footer-nav{list-style:none;padding:0;margin:0}.footer-nav li{display:block;margin-bottom:10px}.footer-nav a{color:#c8e6d4;text-decoration:none;font-size:0.92rem;line-height:1.6;transition:all 0.22s;display:inline-flex;align-items:center}.footer-nav a::before{content:'›';margin-right:8px;font-weight:700;color:var(--primary)}.footer-nav a:hover{color:#ffffff;padding-left:4px}.footer-bottom{text-align:center;padding:20px;background:#01381c;color:#9ec7af;font-size:0.85rem;width:100%}.footer-bottom p{margin:0}body{padding-top:var(--header-offset);margin:0}.page-content{max-width:100%;overflow-x:hidden}@media (max-width:768px){:root{--header-offset:110px}.site-header{min-height:110px;box-shadow:0 3px 12px rgba(1,74,38,0.22)}.header-top{min-height:60px;width:100%}.header-container{width:100%;max-width:none;min-height:60px;padding-left:12px;padding-right:12px}.logo{font-size:1.4rem;margin-left:0}.logo{display:block;max-width:150px;overflow:hidden}.desktop-nav-buttons{display:none}.mobile-nav-buttons{display:flex;justify-content:center;align-items:center;gap:12px;padding:10px 12px;background:var(--primary);width:100%;min-height:48px;border-top:1px solid #01a04c;box-shadow:0 2px 5px rgba(0,0,0,0.15)}.mobile-nav-buttons .btn{flex:1;max-width:190px;padding:9px 12px;font-size:0.95rem}.main-nav{display:none;flex-direction:column;position:fixed;top:0;left:0;height:100%;width:280px;max-width:85%;background:#ffffff;padding-top:24px;align-items:flex-start;justify-content:flex-start;transform:translateX(-100%);transition:transform 0.35s ease-in-out;box-shadow:2px 0 20px rgba(0,0,0,0.18);z-index:1002;overflow-y:auto}.main-nav.active{display:flex;transform:translateX(0)}.nav-container{width:100%;max-width:none;flex-direction:column;display:flex;align-items:stretch;min-height:auto;padding-top:30px}.nav-container a{font-size:0.98rem;padding:12px 40px;text-align:left;border-bottom:1px solid #f0f0f0;color:#2b3a2e;display:block}.nav-container a:first-child{color:var(--primary);border-bottow:3px solid rgba(1,116,57,0.2);background:#f7fdf9}.nav-container a:hover{background:var(--gray);color:var(--primary)}.nav-container a:nth-child(2){border-top:1px solid #e0e0e0}.nav-container a::after{display:none}.nav-container a:hover::after{display:none}.mobile-menu-toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;width:36px;height:36px;background:transparent;border:none;cursor:pointer;padding:4px;gap:5px;z-index:1003;order:-1}.mobile-menu-toggle .bar{display:block;width:22px;height:2.5px;background:#ffffff;border-radius:3px;transition:all 0.35s ease}.mobile-menu-toggle.active .bar:nth-child(1){transform:translateY(7.5px) rotate(45deg)}.mobile-menu-toggle.active .bar:nth-child(2){opacity:0}.mobile-menu-toggle.active .bar:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.55);z-index:1000}.mobile-menu-overlay.active{display:block}.header-top .header-container{justify-content:space-between;gap:8px}.header-top .header-container .logo{margin-right:auto}.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{padding-top:40px}.footer-container{grid-template-columns:1fr;gap:32px;padding:40px 20px 24px}.footer-bottom{font-size:0.8rem}.btn-login,.btn-register{font-size:13px;padding:10px 16px;letter-spacing:0.3px}body.menu-open{overflow:hidden;position:fixed;width:100%}}
}
/* 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;
}