:root{--header-offset:120px;--primary:#113B7A;--secondary:#1D5FD1;--btn-gradient:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);--card-bg:#10233F;--text-main:#F3F8FF;--text-secondary:#AFC4E8;--border:#244D84;--glow:#4FA8FF;--gold:#F2C14E;--divider:#1B3357;--deep-navy:#08162B;}*{box-sizing:border-box;}body{padding-top:var(--header-offset);margin:0;}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;box-shadow:0 4px 20px rgba(8,22,43,0.5);font-family:Arial,Helvetica,sans-serif;}.header-top{height:68px;min-height:68px;display:flex;align-items:center;overflow:hidden;background-color:var(--deep-navy);width:100%;border-bottom:1px solid var(--divider);}.header-container{width:100%;height:100%;max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:24px;padding-right:24px;}.logo{display:inline-block;color:var(--gold);font-size:28px;font-weight:800;letter-spacing:1px;text-decoration:none;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{display:none;min-height:48px;}.btn{display:inline-block;padding:10px 22px;border-radius:8px;font-size:14px;font-weight:700;text-decoration:none;text-align:center;transition:all 0.3s ease;border:none;cursor:pointer;letter-spacing:0.5px;}.btn-login{background:transparent;color:var(--text-main);border:2px solid var(--gold);}.btn-login:hover{background:var(--gold);color:var(--deep-navy);}.btn-register{background:var(--btn-gradient);color:#FFFFFF;box-shadow:0 4px 14px rgba(79,168,255,0.35);}.btn-register:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(79,168,255,0.6);}.hamburger-menu{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:transparent;border:none;cursor:pointer;padding:8px;z-index:1001;}.hamburger-menu span{display:block;width:100%;height:3px;background:var(--text-main);border-radius:2px;transition:all 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{height:52px;min-height:52px;display:flex;align-items:center;overflow:hidden;background-color:var(--primary);width:100%;border-top:1px solid rgba(255,255,255,0.05);}.nav-container{height:100%;max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;gap:6px;}.nav-link{color:var(--text-main);text-decoration:none;font-size:15px;font-weight:600;padding:8px 14px;border-radius:6px;transition:all 0.3s ease;white-space:nowrap;}.nav-link:hover{background-color:var(--secondary);color:#FFFFFF;}.nav-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(8,22,43,0.7);z-index:999;opacity:0;visibility:hidden;transition:all 0.3s ease;}.nav-overlay.active{opacity:1;visibility:visible;}body.no-scroll{overflow:hidden;}.site-footer{background-color:var(--deep-navy);color:var(--text-main);font-family:Arial,Helvetica,sans-serif;border-top:3px solid var(--gold);}.footer-container{max-width:1200px;margin:0 auto;padding:0 24px;}.footer-top{padding:48px 0 24px;}.footer-top-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}.footer-col{min-width:0;}.footer-logo{display:inline-block;color:var(--gold);font-size:26px;font-weight:800;text-decoration:none;margin-bottom:14px;letter-spacing:1px;}.footer-description{font-size:14px;line-height:1.7;color:var(--text-secondary);word-wrap:break-word;overflow-wrap:break-word;margin:0;}.footer-heading{font-size:16px;font-weight:700;color:var(--gold);margin:0 0 16px;text-transform:uppercase;letter-spacing:0.5px;}.footer-nav{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}.footer-nav li a{color:var(--text-secondary);text-decoration:none;font-size:14px;transition:color 0.3s ease;display:inline-block;}.footer-nav li a:hover{color:var(--gold);}.footer-mid{padding:0 0 32px;}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}.footer-slot-anchor-inner{min-height:1px;}.footer-bottom{border-top:1px solid var(--divider);padding:20px 0;background-color:var(--card-bg);}.copyright{text-align:center;font-size:13px;color:var(--text-secondary);margin:0;}.copyright-year,.footer-bottom span{color:var(--gold);font-weight:700;}@media (max-width:768px){:root{--header-offset:108px;}.header-top{height:60px!important;min-height:60px!important;}.header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;}.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% - 150px);}.logo img{display:block!important;max-width:100%;height:auto;max-height:56px!important;}.header-top .header-container{position:relative;height:100%;}.hamburger-menu{display:flex;position:relative;z-index:1001;}.desktop-nav-buttons{display:none!important;}.mobile-nav-buttons{display:flex!important;align-items:center;justify-content:center;min-height:48px;width:100%;max-width:100%;box-sizing:border-box;padding:6px 15px;overflow:hidden;gap:10px;flex-wrap:nowrap;background-color:var(--deep-navy);border-bottom:1px solid var(--divider);}.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;display:none;position:fixed;top:var(--header-offset);left:0;width:100%;max-width:100%;flex-direction:column;justify-content:flex-start;align-items:stretch;padding:12px 0;overflow-y:auto;background-color:var(--primary);transform:translateX(-100%);transition:transform 0.3s ease;z-index:1000;border-top:none;}.main-nav.active{display:flex;transform:translateX(0);}.nav-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;flex-direction:column;align-items:stretch;gap:2px;height:auto;}.nav-link{display:block;padding:12px 16px;font-size:16px;border-radius:6px;}.footer-top-grid{grid-template-columns:1fr 1fr;gap:24px;}.footer-mid-grid{grid-template-columns:1fr 1fr;}.footer-top{padding:32px 0 16px;}.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;
}