:root{--header-offset:122px;--primary:#26A9E0;--secondary:#FFFFFF;--login-color:#EA7C07;--bg:#FFFFFF;--text-dark:#000000;--text-light:#FFFFFF;--header-top-bg:#0B3B5C;--main-nav-bg:#26A9E0;--footer-bg:#0B3B5C;--footer-bottom-bg:#082B42;}*{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);}a{text-decoration:none;}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;box-shadow:0 4px 12px rgba(0,0,0,0.25);background:var(--header-top-bg);}.header-top{height:68px;min-height:68px;display:flex;align-items:center;overflow:hidden;background:var(--header-top-bg);width:100%;}.header-container{width:100%;max-width:1200px;margin:0 auto;height:100%;display:flex;justify-content:space-between;align-items:center;padding-left:24px;padding-right:24px;}.logo{display:inline-block;font-size:28px;font-weight:800;color:var(--secondary);letter-spacing:1px;text-decoration:none;line-height:1;}.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{display:none;min-height:48px;}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:700;text-decoration:none;border:none;cursor:pointer;transition:all 0.25s ease;line-height:1.2;white-space:nowrap;}.btn-login{background:var(--login-color);color:#FFFFFF;box-shadow:0 3px 10px rgba(234,124,7,0.4);}.btn-login:hover{filter:brightness(1.08);transform:translateY(-1px);}.btn-register{background:linear-gradient(135deg,#26A9E0,#1177A8);color:#FFFFFF;box-shadow:0 3px 10px rgba(38,169,224,0.45);}.btn-register:hover{filter:brightness(1.08);transform:translateY(-1px);}.main-nav{height:52px;min-height:52px;display:flex;align-items:center;overflow:hidden;background:var(--main-nav-bg);width:100%;border-top:1px solid rgba(255,255,255,0.25);}.nav-container{width:100%;max-width:1200px;margin:0 auto;height:100%;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 24px;position:relative;}.hamburger-menu{display:none;}.nav-list{display:flex;flex-direction:row;justify-content:center;align-items:center;gap:4px;list-style:none;margin:0;padding:0;height:100%;flex-wrap:nowrap;}.nav-list li{height:100%;display:flex;align-items:center;}.nav-list li a{display:flex;align-items:center;height:100%;padding:0 11px;color:#FFFFFF;font-size:14px;font-weight:600;text-decoration:none;transition:background 0.2s ease,color 0.2s ease;white-space:nowrap;}.nav-list li a:hover{background:rgba(255,255,255,0.18);color:#FFFFFF;}.nav-list li a.active{background:rgba(255,255,255,0.25);}.mobile-menu-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.55);opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease;z-index:999;}.site-footer{background:var(--footer-bg);color:#E6F2FA;font-size:14px;line-height:1.6;}.footer-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}.footer-top{padding:44px 0 20px;border-bottom:1px solid rgba(255,255,255,0.15);}.footer-top-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}.footer-col{min-width:0;}.footer-about .footer-logo{display:inline-block;font-size:26px;font-weight:800;color:#FFFFFF;letter-spacing:1px;margin-bottom:12px;text-decoration:none;}.footer-description{color:#CBE6F5;margin:0;font-size:14px;word-wrap:break-word;overflow-wrap:break-word;}.footer-heading{color:#FFFFFF;font-size:15px;font-weight:700;margin:0 0 12px;text-transform:uppercase;letter-spacing:0.5px;}.footer-nav{list-style:none;margin:0;padding:0;}.footer-nav li{margin-bottom:8px;}.footer-nav li a{color:#CBE6F5;text-decoration:none;font-size:14px;transition:color 0.2s ease;}.footer-nav li a:hover{color:#FFFFFF;text-decoration:underline;}.footer-dynamic-col{min-height:1px;}.footer-mid{padding:24px 0;}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}.footer-slot-anchor-inner{min-height:0;}.footer-bottom{background:var(--footer-bottom-bg);padding:16px 0;text-align:center;}.footer-bottom p{margin:0;color:#AFCBDB;font-size:13px;}.footer-bottom a{display:none;}@media(max-width:768px){:root{--header-offset:110px;}body{padding-top:var(--header-offset);}.header-top{height:60px!important;min-height:60px!important;}.header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;position:relative;justify-content:center;}.logo{position:absolute!important;left:50%!important;transform:translateX(-50%)!important;display:flex!important;align-items:center!important;justify-content:center!important;max-width:calc(100% - 120px);font-size:24px;}.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:10px 15px;overflow:hidden;gap:10px;flex-wrap:nowrap;background:var(--header-top-bg);}.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;}.main-nav{height:48px!important;min-height:48px!important;}.nav-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;justify-content:flex-start;}.hamburger-menu{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;background:transparent;border:none;cursor:pointer;padding:8px;z-index:1001;position:relative;}.hamburger-menu span{display:block;width:24px;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);}.nav-list{display:none;flex-direction:column;position:fixed;top:0;left:0;width:80%;max-width:320px;height:100vh;background:#0B3B5C;padding:80px 0 20px;margin:0;gap:0;overflow-y:auto;transform:translateX(-100%);transition:transform 0.3s ease;z-index:1000;box-shadow:4px 0 15px rgba(0,0,0,0.4);}.main-nav.active .nav-list,.nav-list.active,.nav-list.open{display:flex;transform:translateX(0);}.nav-list li{width:100%;height:auto;}.nav-list li a{width:100%;padding:14px 24px;font-size:15px;border-bottom:1px solid rgba(255,255,255,0.1);justify-content:flex-start;}.mobile-menu-overlay.active{opacity:1;visibility:visible;}.footer-top-grid{grid-template-columns:1fr;gap:28px;}.footer-mid-grid{grid-template-columns:1fr 1fr;}.footer-top{padding:32px 0 16px;}.footer-container{padding:0 15px;}.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;
}