:root{--header-offset:122px;--primary:#26A9E0;--secondary:#FFFFFF;--login:#EA7C07;--bg:#FFFFFF;--text-dark:#000000;--text-muted:#555555;--header-top-bg:#0B3C5D;--nav-bg:#26A9E0;--footer-bg:#0B1F2E;--footer-text:#E6F4FB;--footer-muted:#9FC3D9}*{box-sizing:border-box}body{margin:0;padding-top:var(--header-offset);font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text-dark)}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;background:var(--header-top-bg);box-shadow:0 4px 18px rgba(0,0,0,0.28);border-bottom:1px solid rgba(255,255,255,0.18)}.header-top{box-sizing:border-box;min-height:68px;height:68px;display:flex;align-items:center;overflow:hidden;background:var(--header-top-bg);width:100%}.header-container{box-sizing:border-box;width:100%;height:100%;max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:28px;padding-right:28px}.logo{display:inline-block;color:#FFFFFF;font-size:30px;font-weight:800;letter-spacing:1px;text-decoration:none;line-height:1;text-transform:lowercase}.logo img{display:block;max-height:60px;height:auto;width:auto;max-width:280px;object-fit:contain}.desktop-nav-buttons{display:flex;gap:12px;align-items:center}.mobile-nav-buttons{box-sizing:border-box;display:none;min-height:48px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:700;border-radius:8px;padding:10px 20px;font-size:15px;line-height:1.2;transition:transform 0.2s ease,box-shadow 0.2s ease;border:2px solid transparent}.btn:hover{transform:translateY(-1px);box-shadow:0 6px 14px rgba(0,0,0,0.25)}.btn-login{background:var(--login);color:#FFFFFF;border-color:var(--login)}.btn-register{background:#FFFFFF;color:#0B3C5D;border-color:#FFFFFF}.hamburger-menu{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;padding:0;background:transparent;border:none;cursor:pointer;z-index:1001}.hamburger-menu span{display:block;width:26px;height:3px;background:#FFFFFF;border-radius:2px;transition:transform 0.3s ease,opacity 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)}.main-nav{box-sizing:border-box;min-height:52px;height:52px;display:flex;align-items:center;overflow:hidden;background:var(--nav-bg);width:100%}.nav-container{box-sizing:border-box;height:100%;max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;gap:4px;flex-wrap:nowrap}.nav-link{display:inline-flex;align-items:center;color:#FFFFFF;text-decoration:none;font-size:14px;font-weight:600;padding:6px 10px;border-radius:6px;white-space:nowrap;transition:background 0.2s ease,color 0.2s ease}.nav-link:hover,.nav-link.active{background:rgba(255,255,255,0.22);color:#FFFFFF}.nav-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease;z-index:999}.nav-overlay.active{opacity:1;visibility:visible}body.no-scroll{overflow:hidden}.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:44px 0 0;margin-top:0}.footer-container{box-sizing:border-box;width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.footer-slot-anchor-inner{display:block;width:100%}.footer-top-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;align-items:start}.footer-col{min-width:0}.footer-about .footer-logo{display:inline-block;color:#FFFFFF;font-size:26px;font-weight:800;text-decoration:none;margin-bottom:12px;letter-spacing:1px}.footer-description{color:var(--footer-muted);font-size:14px;line-height:1.7;margin:0 0 12px;word-wrap:break-word;overflow-wrap:break-word}.footer-title{color:#FFFFFF;font-size:16px;font-weight:700;margin:0 0 14px;position:relative;padding-bottom:8px}.footer-title:after{content:"";position:absolute;left:0;bottom:0;width:36px;height:3px;background:var(--primary);border-radius:2px}.footer-nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}.footer-nav li{margin:0;padding:0}.footer-nav a{color:var(--footer-muted);text-decoration:none;font-size:14px;line-height:1.4;transition:color 0.2s ease}.footer-nav a:hover{color:#FFFFFF}.footer-mid{padding:28px 0 0}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:12px 0}.footer-bottom{margin-top:32px;background:#07131D;border-top:1px solid rgba(255,255,255,0.12);padding:18px 0}.footer-bottom p{margin:0;color:var(--footer-muted);font-size:13px;text-align:center}.footer-bottom a{display:none}@media (max-width:768px){:root{--header-offset:110px}.header-top{min-height:60px !important;height:60px !important}.header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px}.logo{flex:1 !important;display:flex !important;justify-content:center !important;align-items:center !important;text-align:center}.logo img{display:block !important;max-width:100%;height:auto;max-height:56px !important}.desktop-nav-buttons{display:none !important}.mobile-nav-buttons{display:flex !important;align-items:center;justify-content:center;width:100%;max-width:100%;box-sizing:border-box;padding-left:15px;padding-right:15px;overflow:hidden;gap:10px;flex-wrap:nowrap;background:var(--header-top-bg);min-height:48px}.mobile-nav-buttons .btn{flex:1;min-width:0;max-width:calc(50% - 5px);box-sizing:border-box;padding:8px 12px;font-size:13px;white-space:normal;word-wrap:break-word;overflow-wrap:break-word}.hamburger-menu{display:flex;position:relative;z-index:2;order:-1}.main-nav{min-height:48px !important;height:48px !important;display:none;position:fixed;top:0;left:0;bottom:0;width:82%;max-width:320px;height:100% !important;min-height:100% !important;background:var(--header-top-bg);flex-direction:column;align-items:stretch;justify-content:flex-start;padding:80px 18px 24px;overflow-y:auto;transform:translateX(-100%);transition:transform 0.3s ease;z-index:1001;box-shadow:4px 0 20px rgba(0,0,0,0.4)}.main-nav.active{display:block;transform:translateX(0)}.nav-container{width:100%;max-width:none;height:auto;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;padding:0;gap:6px}.nav-link{display:block;width:100%;font-size:16px;padding:12px 14px;border-radius:8px;white-space:normal}.footer-top-grid{grid-template-columns:1fr;gap:24px}.footer-mid-grid{grid-template-columns:1fr}.footer-container{padding:0 16px}.page-content img{max-width:100% !important;height:auto !important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}}
/* 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;
}