:root{--header-offset:122px;--primary:#113B7A;--secondary:#1D5FD1;--btn-gradient:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);--card-bg:#10233F;--text-main:#F3F8FF;--text-secondary:#AFC4E8;--border-color:#244D84;--glow:#4FA8FF;--gold:#F2C14E;--divider:#1B3357;--deep-navy:#08162B}*{box-sizing:border-box}body{padding-top:var(--header-offset);margin:0;font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;box-shadow:0 4px 18px rgba(4,12,28,.45);background:var(--deep-navy)}.header-top{width:100%;height:68px;display:flex;align-items:center;overflow:hidden;background:var(--deep-navy);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:28px;padding-right:28px}.logo{display:inline-block;font-size:26px;font-weight:800;letter-spacing:.5px;text-decoration:none;color:var(--gold);text-shadow:0 0 12px rgba(79,168,255,.35);white-space:nowrap}.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;text-decoration:none;font-weight:700;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;line-height:1.2;white-space:nowrap}.btn-primary{background:var(--btn-gradient);color:#fff;padding:10px 22px;font-size:14px;border:1px solid #4FA8FF;box-shadow:0 0 14px rgba(79,168,255,.45)}.btn-secondary{background:linear-gradient(180deg,#1A3E77 0%,#0E2A55 100%);color:var(--text-main);padding:10px 22px;font-size:14px;border:1px solid var(--border-color)}.btn:hover{transform:translateY(-1px);filter:brightness(1.08)}.main-nav{width:100%;height:52px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(180deg,#143C74 0%,#113B7A 100%);border-top:1px solid var(--divider);border-bottom:1px solid var(--border-color)}.nav-container{width:100%;height:100%;max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px}.nav-menu{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:6px;list-style:none;margin:0;padding:0}.nav-link{display:inline-block;padding:8px 12px;font-size:14px;font-weight:600;text-decoration:none;color:var(--text-main);border-radius:8px;transition:background .2s ease,color .2s ease;white-space:nowrap}.nav-link:hover,.nav-link.active{background:rgba(79,168,255,.16);color:var(--gold)}.hamburger-menu{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;background:transparent;border:1px solid var(--border-color);border-radius:10px;cursor:pointer;padding:0}.hamburger-menu span{display:block;width:22px;height:2px;background:var(--text-main);border-radius:2px;transition:transform .3s ease,opacity .3s ease}.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(-7px) rotate(-45deg)}.nav-overlay{display:none}.site-footer{background:var(--deep-navy);color:var(--text-main);border-top:1px solid var(--border-color);margin-top:0}.footer-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.footer-top{padding:44px 0 28px;background:linear-gradient(180deg,#0B1C36 0%,#08162B 100%)}.footer-top-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;align-items:start}.footer-col{min-width:0}.footer-logo{display:inline-block;font-size:24px;font-weight:800;color:var(--gold);text-decoration:none;margin-bottom:12px;letter-spacing:.5px}.footer-description{font-size:14px;line-height:1.7;color:var(--text-secondary);margin:0;word-wrap:break-word;overflow-wrap:break-word}.footer-heading{font-size:15px;font-weight:700;color:var(--text-main);margin:0 0 14px;padding-bottom:8px;border-bottom:1px solid var(--divider)}.footer-nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}.footer-nav a{font-size:14px;color:var(--text-secondary);text-decoration:none;transition:color .2s ease}.footer-nav a:hover{color:var(--gold)}.footer-slot-anchor,.footer-slot-anchor-inner{min-height:1px}.footer-mid{padding:8px 0;background:#08162B}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.footer-bottom{background:#050F1E;border-top:1px solid var(--divider);padding:18px 0}.footer-bottom .footer-container{display:flex;justify-content:center;align-items:center}.copyright{margin:0;font-size:13px;color:var(--text-secondary);text-align:center}@media (max-width:768px){:root{--header-offset:110px}.header-top{height:60px!important;min-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:22px}.logo img{display:block!important;max-width:100%;height:auto;max-height:56px!important}.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:8px 15px;overflow:hidden;gap:10px;flex-wrap:nowrap;background: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{display:none;position:fixed;top:0;left:0;width:80%;max-width:320px;height:100vh;min-height:100vh;flex-direction:column;align-items:stretch;justify-content:flex-start;background:#0B1C36;border-right:1px solid var(--border-color);transform:translateX(-100%);transition:transform .3s ease;z-index:1001;overflow-y:auto;padding-top:80px}.main-nav.active{display:block;transform:translateX(0)}.nav-container{width:100%;max-width:none;height:auto;padding:0;display:block}.nav-menu{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:2px;width:100%;padding:10px 14px 30px}.nav-link{display:block;width:100%;padding:12px 14px;font-size:15px;border-radius:10px}.nav-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(3,10,22,.62);z-index:999;opacity:0;transition:opacity .3s ease}.nav-overlay.active{display:block;opacity:1}.footer-top-grid{grid-template-columns:1fr;gap:24px}.footer-mid-grid{grid-template-columns:1fr 1fr}.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;
}