:root{--header-offset:122px;--primary:#E53935;--secondary:#FF5A4F;--text-main:#333333;--bg:#F5F7FA;--card-bg:#FFFFFF;--border:#E0E0E0;--btn-gradient:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);}*{box-sizing:border-box;}body{margin:0;padding-top:var(--header-offset);font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;color:var(--text-main);background:var(--bg);}a{text-decoration:none;}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;box-shadow:0 4px 14px rgba(0,0,0,0.15);background:#FFFFFF;}.header-top{box-sizing:border-box;height:68px;min-height:68px;display:flex;align-items:center;overflow:hidden;width:100%;background:#FFFFFF;border-bottom:2px solid var(--primary);}.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:30px;padding-right:30px;gap:16px;}.logo{display:inline-block;font-size:26px;font-weight:800;letter-spacing:0.5px;color:var(--primary);white-space:nowrap;flex-shrink:0;}.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;flex-shrink:0;}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border-radius:8px;font-weight:700;font-size:14px;line-height:1.2;color:#FFFFFF;text-decoration:none;border:none;cursor:pointer;transition:transform 0.2s ease,box-shadow 0.2s ease;white-space:nowrap;}.btn:hover{transform:translateY(-2px);box-shadow:0 6px 14px rgba(229,57,53,0.35);}.btn-login{background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);border:2px solid #FFFFFF;box-shadow:0 3px 8px rgba(229,57,53,0.3);}.btn-register{background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);box-shadow:0 3px 10px rgba(229,57,53,0.4);}.mobile-nav-buttons{display:none;box-sizing:border-box;min-height:48px;}.hamburger-menu{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:transparent;border:none;cursor:pointer;padding:4px;flex-shrink:0;}.hamburger-menu span{display:block;width:26px;height:3px;background:var(--primary);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;height:52px;min-height:52px;display:flex;align-items:center;overflow:hidden;width:100%;background:#8E1E1B;}.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;width:100%;}.nav-menu{list-style:none;margin:0;padding:0;display:flex;flex-direction:row;justify-content:center;align-items:center;gap:4px;flex-wrap:wrap;}.nav-menu li{margin:0;}.nav-menu li a{display:block;padding:8px 12px;color:#FFFFFF;font-size:13.5px;font-weight:600;text-decoration:none;border-radius:6px;transition:background 0.2s ease,color 0.2s ease;white-space:nowrap;}.nav-menu li a:hover{background:var(--secondary);color:#FFFFFF;}.menu-overlay{display:none;}.site-footer{background:#1A1A1A;color:#DCDCDC;font-size:14px;line-height:1.6;}.footer-container{max-width:1200px;margin:0 auto;padding:0 30px;box-sizing:border-box;}.footer-top{padding:48px 0 24px;}.footer-top-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}.footer-col{min-width:0;}.footer-about{display:flex;flex-direction:column;gap:14px;}.footer-logo{display:inline-block;font-size:24px;font-weight:800;color:#FFFFFF;letter-spacing:0.5px;}.footer-description{color:#BDBDBD;margin:0;word-wrap:break-word;overflow-wrap:break-word;font-size:13.5px;}.footer-heading{color:#FFFFFF;font-size:15px;font-weight:700;margin:0 0 14px;padding-bottom:8px;border-bottom:2px solid var(--primary);display:inline-block;}.footer-nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}.footer-nav li a{color:#BDBDBD;text-decoration:none;font-size:13.5px;transition:color 0.2s ease;}.footer-nav li a:hover{color:var(--secondary);}.footer-slot-anchor-inner{display:block;}.footer-dynamic-col{min-width:0;}.footer-mid{padding:16px 0 24px;}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:12px;}.footer-bottom{padding:18px 0;border-top:1px solid #333333;background:#111111;}.footer-copyright{margin:0;text-align:center;font-size:13px;color:#9E9E9E;}.footer-bottom-anchor{display:block;}@media (max-width:768px){:root{--header-offset:110px;}body{padding-top:var(--header-offset);}.header-top{min-height:60px !important;height:60px !important;}.header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;position:relative;}.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% - 110px);font-size:20px;}.logo img{display:block !important;max-width:100%;height:auto;max-height:56px;}.hamburger-menu{display:flex;position:relative;z-index:1002;}.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;padding-top:6px;padding-bottom:6px;overflow:hidden;gap:10px;flex-wrap:nowrap;background:#FFFFFF;border-bottom:1px solid var(--border);}.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{min-height:48px !important;height:48px !important;display:none;position:fixed;top:var(--header-offset);left:0;width:100%;max-width:100%;background:#8E1E1B;transform:translateX(-100%);transition:transform 0.3s ease;overflow-y:auto;z-index:1001;}.main-nav.active{display:block;transform:translateX(0);}.nav-container{width:100%;max-width:none;padding:10px 15px;height:auto;flex-direction:column;justify-content:flex-start;align-items:stretch;}.nav-menu{flex-direction:column;justify-content:flex-start;align-items:stretch;gap:2px;width:100%;}.nav-menu li a{padding:12px 14px;font-size:15px;border-radius:6px;white-space:normal;}.menu-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.55);z-index:999;}.menu-overlay.active{display:block;}body.no-scroll{overflow:hidden;}.footer-top-grid{grid-template-columns:1fr 1fr;gap:24px;}.footer-mid-grid{grid-template-columns:1fr 1fr;gap:16px;}.footer-container{padding:0 16px;}.footer-top{padding:32px 0 16px;}.footer-logo{font-size:22px;}.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 (max-width:480px){.footer-top-grid{grid-template-columns:1fr;}}
/* 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;
}