.site-header{position:fixed;top:0;left:0;width:100%;min-height:auto;z-index:1000;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.3);font-family:Arial,sans-serif}
.header-top{background:#08162B;width:100%}
.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:20px;padding-right:20px;min-height:68px}
.logo{font-size:28px;font-weight:800;color:#F2C14E;text-decoration:none;text-transform:uppercase;letter-spacing:2px;display:inline-block;line-height:1.2}
.logo:hover{color:#F2C14E;opacity:.9}
.desktop-nav-buttons{display:flex;gap:12px;align-items:center}
.btn{display:inline-block;padding:10px 20px;border-radius:6px;font-size:14px;font-weight:700;text-decoration:none;text-align:center;transition:all .3s ease;border:none;cursor:pointer;line-height:1.4}
.btn-register{background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#F3F8FF;box-shadow:0 2px 8px rgba(43,115,246,.4)}
.btn-register:hover{background:linear-gradient(180deg,#1144A6 0%,#2B73F6 100%);transform:translateY(-1px);box-shadow:0 4px 12px rgba(43,115,246,.5)}
.btn-login{background:#F2C14E;color:#08162B;box-shadow:0 2px 8px rgba(242,193,78,.3)}
.btn-login:hover{background:#e0b03c;color:#08162B;transform:translateY(-1px);box-shadow:0 4px 12px rgba(242,193,78,.4)}
.main-nav{background:#113B7A;width:100%;display:flex;min-height:52px}
.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;gap:6px;width:100%}
.nav-link{display:inline-block;padding:14px 16px;color:#F3F8FF;text-decoration:none;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;border-bottom:3px solid transparent;transition:all .3s ease;white-space:nowrap;line-height:1.2}
.nav-link:hover{color:#F2C14E;background:rgba(255,255,255,.05);border-bottom-color:#F2C14E}
.mobile-nav-buttons{display:none}
.hamburger-menu{display:none}
.mobile-menu-overlay{display:none}
.site-footer{background:#08162B;color:#AFC4E8;padding:50px 20px 0;font-family:Arial,sans-serif;margin-top:60px}
.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:30px}
.footer-column{min-width:0}
.footer-logo{font-size:24px;font-weight:800;color:#F2C14E;text-decoration:none;text-transform:uppercase;letter-spacing:2px;display:inline-block;margin-bottom:15px}
.footer-description{font-size:14px;line-height:1.6;margin-bottom:15px;color:#AFC4E8}
.footer-hotline{font-size:14px;font-weight:600;color:#F3F8FF;margin-bottom:10px}
.footer-title{font-size:16px;font-weight:700;color:#F3F8FF;margin-bottom:15px;padding-bottom:8px;border-bottom:2px solid #244D84}
.footer-nav{list-style:none;padding:0;margin:0}
.footer-nav li{margin-bottom:10px}
.footer-nav a{color:#AFC4E8;text-decoration:none;font-size:14px;transition:color .3s;display:inline-block;line-height:1.4}
.footer-nav a:hover{color:#F2C14E;padding-left:5px}
.footer-bottom{border-top:2px solid #1B3357;padding:20px 0;text-align:center}
.copyright{font-size:13px;color:#AFC4E8;margin:0}
body{padding-top:var(--header-offset,120px);margin:0}
.page-content{overflow-x:hidden;max-width:100%}
:root{--header-offset:120px}
@media (max-width:768px){
:root{--header-offset:108px}
.header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;min-height:60px}
.nav-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;flex-direction:column;align-items:stretch;padding:0}
.logo{font-size:22px;flex:1;text-align:center}
.desktop-nav-buttons{display:none}
.mobile-nav-buttons{display:flex;background:#08162B;padding:8px 15px;gap:10px;justify-content:center;width:100%;min-height:48px;align-items:center}
.mobile-nav-buttons .btn{flex:1;max-width:180px;padding:8px 12px;font-size:13px}
.main-nav{display:none;position:fixed;top:0;left:0;width:280px;height:100vh;background:#113B7A;flex-direction:column;justify-content:flex-start;align-items:stretch;z-index:1001;transform:translateX(-100%);transition:transform .3s ease;box-shadow:2px 0 12px rgba(0,0,0,.3);overflow-y:auto}
.main-nav.active{display:flex;transform:translateX(0)}
.nav-link{display:block;padding:14px 20px;border-bottom:1px solid #244D84;border-radius:0;text-align:left;font-size:14px;white-space:normal}
.nav-link:hover{background:#1D5FD1;color:#F2C14E;border-bottom-color:#F2C14E}
.hamburger-menu{display:flex;flex-direction:column;justify-content:center;align-items:center;width:36px;height:36px;background:transparent;border:none;cursor:pointer;position:absolute;top:12px;left:15px;z-index:1002;margin:0;padding:0}
.hamburger-menu span{display:block;width:22px;height:2px;background:#F2C14E;margin:3px 0;transition:all .3s ease;border-radius:2px}
.hamburger-menu.active span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.hamburger-menu.active span:nth-child(2){opacity:0}
.hamburger-menu.active span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);z-index:999;opacity:0;transition:opacity .3s ease}
.mobile-menu-overlay.active{display:block;opacity:1}
.page-content img{max-width:100% !important;height:auto !important;display:block}
.page-content{overflow-x:hidden;max-width:100%}
body{overflow-x:hidden}
.footer-container{grid-template-columns:1fr;gap:30px;text-align:left}
.footer-column{width:100%}
}
.site-footer{font-family:Arial,sans-serif}
/* 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;
}