.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:#FFFFFF;box-shadow:0 4px 20px rgba(0,0,0,0.15);font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;box-sizing:border-box}.header-top{background:linear-gradient(135deg,#000000 0%,#1a1a2e 100%);width:100%;padding:10px 0}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:30px;padding-right:30px;width:100%;box-sizing:border-box}.logo{display:inline-flex;align-items:center;gap:8px;text-decoration:none;min-height:48px;padding:5px 0}.logo-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:#26A9E0;color:#FFFFFF;font-size:20px;font-weight:800;border-radius:8px;text-decoration:none}.logo-text{font-size:28px;font-weight:800;color:#FFFFFF;letter-spacing:1px;line-height:1.2;text-transform:uppercase}.desktop-nav-buttons{display:flex;gap:12px;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;padding:10px 22px;border-radius:6px;font-weight:700;font-size:14px;line-height:1.2;border:none;cursor:pointer;transition:all 0.3s ease;box-shadow:0 2px 8px rgba(0,0,0,0.2)}.btn-login{background:#EA7C07;color:#FFFFFF}.btn-login:hover{background:#d36b00;transform:translateY(-2px);box-shadow:0 4px 15px rgba(234,124,7,0.4)}.btn-register{background:#26A9E0;color:#FFFFFF}.btn-register:hover{background:#1b8ec2;transform:translateY(-2px);box-shadow:0 4px 15px rgba(38,169,224,0.4)}.main-nav{background:#FFFFFF;width:100%;display:flex;border-bottom:1px solid #e8f4f8}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;width:100%;box-sizing:border-box}.nav-link{color:#333333;text-decoration:none;font-weight:600;font-size:14px;padding:16px 14px;display:block;position:relative;transition:color 0.3s;white-space:nowrap}.nav-link::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:3px;background:#26A9E0;border-radius:2px;transition:width 0.3s ease}.nav-link:hover{color:#26A9E0}.nav-link:hover::after{width:60%}.mobile-nav-buttons{display:none}.hamburger-menu{display:none}.mobile-menu-overlay{display:none}:root{--header-offset:122px}body{padding-top:var(--header-offset)}@media(max-width:768px){:root{--header-offset:158px}.header-top{background:#000000;padding:5px 0}.header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;justify-content:flex-start;position:relative;flex-wrap:wrap}.logo{flex:1!important;display:flex!important;justify-content:center!important;align-items:center!important;padding:4px 0;order:2;margin:0 auto;text-align:center}.logo-icon{width:32px;height:32px;font-size:17px}.logo-text{font-size:24px}.desktop-nav-buttons{display:none}.mobile-nav-buttons{display:flex;flex-direction:row;justify-content:center;align-items:center;gap:10px;width:100%;padding:10px 5px 6px 5px;background:#FFFFFF;order:3;flex-wrap:wrap}.mobile-nav-buttons .btn{padding:10px 16px;font-size:13px}.hamburger-menu{display:flex!important;flex-direction:column;justify-content:center;align-items:center;width:44px;height:44px;cursor:pointer;background:transparent;z-index:1001;order:1;margin-right:5px;padding:8px;border:none;outline:none}.hamburger-menu span{display:block;width:24px;height:2px;background:#FFFFFF;margin:3px 0;transition:transform 0.4s ease,opacity 0.4s ease;border-radius:2px}.hamburger-menu.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}.main-nav{display:none;position:fixed;top:0;left:0;height:100vh;width:300px;background:#FFFFFF;z-index:1100;transform:translateX(-100%);transition:transform 0.3s ease;border-right:1px solid #e0e0e0;overflow-y:auto}.main-nav.active,.main-nav.open{display:block;transform:translateX(0)}.main-nav .nav-container{flex-direction:column;justify-content:flex-start;align-items:flex-start;padding-top:80px;padding-bottom:20px}.nav-link{width:100%;text-align:left;padding:12px 20px;font-size:16px;border-bottom:1px solid #f0f0f0;color:#333}.nav-link::after{display:none}.main-nav .mobile-only-actions{display:flex;flex-direction:column;width:100%;padding:20px;gap:10px}.mobile-menu-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:1050;opacity:0;visibility:hidden;transition:opacity 0.3s ease}.mobile-menu-overlay.active,.mobile-menu-overlay.visible{opacity:1;visibility:visible}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}body.no-scroll{overflow:hidden}.site-footer{margin-top:40px}.site-footer .footer-container{max-width:1200px;margin:0 auto;padding:0 20px;box-sizing:border-box}}@media(min-width:769px){.mobile-nav-buttons{display:none!important}.hamburger-menu{display:none!important}.mobile-menu-overlay{display:none!important}}.site-footer{background:#0a1628;color:#B0B9C8;font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;padding:0;margin-top:50px;width:100%;box-sizing:border-box}.site-footer *,.site-footer *::before,.site-footer *::after{box-sizing:border-box}.footer-container{max-width:1300px;margin:0 auto;padding:0 20px;width:100%}.footer-main{padding-top:45px;padding-bottom:0;background:#0a1628}.footer-row-top{width:100%;margin-bottom:30px}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.4fr 1fr;gap:30px;margin-bottom:35px}.footer-col{min-width:0}.footer-about .footer-logo{font-size:28px;font-weight:800;color:#FFFFFF;text-decoration:none;text-transform:uppercase;display:inline-block;margin-bottom:15px}.footer-description{font-size:14px;line-height:1.7;color:#B0B9C8;margin-bottom:15px}.footer-title{color:#FFFFFF;font-size:16px;font-weight:700;margin-bottom:16px}.footer-nav{list-style:none;padding:0;margin:0}.footer-nav li{margin-bottom:12px}.footer-nav a{color:#B0B9C8;text-decoration:none;font-size:14px;transition:color 0.3s}.footer-nav a:hover{color:#26A9E0}.footer-dynamic-col .footer-slot-anchor-inner{display:flex;flex-wrap:wrap;flex-direction:row;align-items:flex-start;gap:10px}.footer-slot-anchor-inner{min-height:20px;display:block}.footer-dynamic-row .footer-slot-anchor-inner{display:flex;flex-wrap:wrap;gap:8px;width:100%}.footer-dynamic-row{width:100%;margin-bottom:15px}.footer-dynamic-row-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;width:100%}.footer-dynamic-row-grid .footer-slot-anchor-inner{width:100%}.footer-mid-rows{display:flex;flex-direction:column;gap:5px;margin-bottom:10px}.footer-bottom{margin-top:30px;border-top:1px solid rgba(255,255,255,0.1);padding-top:15px;padding-bottom:30px;text-align:center;color:#9aa5b5;font-size:13px}.footer-bottom p{margin:0;padding:0}.footer-bottom span#copyright-year,.footer-bottom span.copyright-year{display:inline-block;margin:0 2px}
/* 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;
}