:root{--header-offset:122px;--primary:#2F6BFF;--secondary:#6FA3FF;--btn-bg:linear-gradient(180deg,#4A8BFF 0%,#2F6BFF 100%);--bg-main:#F4F7FB;--card-bg:#FFFFFF;--text-main:#1F2D3D;--border-color:#D6E2FF;--glow:#A5C4FF}*{box-sizing:border-box}body{margin:0;padding-top:var(--header-offset);font-family:'Segoe UI',Roboto,Arial,sans-serif;color:var(--text-main);background:var(--bg-main)}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;background:#FFFFFF;box-shadow:0 4px 20px rgba(47,107,255,0.15);border-bottom:1px solid var(--border-color)}.header-top{height:68px;min-height:68px;display:flex;align-items:center;overflow:hidden;background:#FFFFFF;width:100%}.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;font-size:28px;font-weight:800;letter-spacing:1px;color:var(--primary);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}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:600;border-radius:8px;padding:10px 22px;font-size:15px;transition:all 0.25s ease;cursor:pointer;border:none;white-space:nowrap}.btn-primary{background:var(--btn-bg);color:#FFFFFF;box-shadow:0 4px 12px rgba(47,107,255,0.35)}.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 6px 16px rgba(47,107,255,0.45)}.btn-outline{background:#FFFFFF;color:var(--primary);border:2px solid var(--primary)}.btn-outline:hover{background:var(--bg-main);transform:translateY(-1px)}.mobile-nav-buttons{display:none;min-height:48px;box-sizing:border-box}.main-nav{height:52px;min-height:52px;display:flex;align-items:center;overflow:hidden;background:var(--primary);width:100%}.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;position:relative}.nav-list{display:flex;flex-direction:row;justify-content:center;align-items:center;list-style:none;margin:0;padding:0;gap:4px;height:100%}.nav-link{display:inline-flex;align-items:center;height:100%;padding:0 12px;color:#FFFFFF;text-decoration:none;font-size:14px;font-weight:500;transition:background 0.2s ease,color 0.2s ease;white-space:nowrap}.nav-link:hover{background:rgba(255,255,255,0.18);color:#FFFFFF}.nav-link.active{background:rgba(255,255,255,0.25);color:#FFFFFF}.hamburger-menu{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:6px;background:transparent;border:none;cursor:pointer;z-index:1001}.hamburger-menu span{display:block;width:100%;height:3px;background:#FFFFFF;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)}.nav-overlay{display:none;position:fixed;inset:0;background:rgba(31,45,61,0.5);z-index:999;opacity:0;transition:opacity 0.3s ease}.nav-overlay.active{display:block;opacity:1}.site-footer{background:#0F1A2B;color:#C9D6F0;padding:0;margin:0}.footer-top-row{max-width:1200px;margin:0 auto;padding:0 20px}.footer-top-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:48px 20px 24px}.footer-col{min-width:0}.footer-logo{display:inline-block;font-size:26px;font-weight:800;letter-spacing:1px;color:#FFFFFF;text-decoration:none;margin-bottom:14px}.footer-description{font-size:14px;line-height:1.7;color:#B9C8E4;margin:0 0 14px;word-wrap:break-word;overflow-wrap:break-word}.footer-heading{font-size:16px;font-weight:700;color:#FFFFFF;margin:0 0 14px}.footer-nav{list-style:none;margin:0;padding:0}.footer-nav li{margin-bottom:10px}.footer-nav a{color:#B9C8E4;text-decoration:none;font-size:14px;line-height:1.5;transition:color 0.2s ease}.footer-nav a:hover{color:#FFFFFF;text-decoration:underline}.footer-dynamic-col{min-width:0}.footer-slot-anchor-inner{display:block;width:100%}.footer-mid-area{max-width:1200px;margin:0 auto;padding:0 20px}.footer-mid-row{display:flex;flex-wrap:wrap;gap:20px;padding:12px 0}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:12px 0}.footer-bottom{max-width:1200px;margin:0 auto;padding:22px 20px;border-top:1px solid rgba(214,226,255,0.18);text-align:center}.footer-bottom p{margin:0;font-size:13px;color:#9FB2D6;line-height:1.6}.footer-slot-anchor-inner:empty{min-height:0}.footer-top-row .footer-slot-anchor-inner{padding:8px 0 0}@media (max-width:768px){:root{--header-offset:110px}.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{flex:1!important;display:flex!important;justify-content:center!important;align-items:center!important;text-align:center;font-size:24px}.logo img{display:block!important;max-width:100%;height:auto;max-height:56px}.hamburger-menu{display:flex;position:relative;z-index:2}.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;overflow:hidden;gap:10px;flex-wrap:nowrap;background:#FFFFFF;border-bottom:1px solid var(--border-color)}.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}.nav-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;justify-content:flex-start}.nav-list{display:none;flex-direction:column;justify-content:flex-start;align-items:stretch;position:fixed;top:0;left:0;width:80%;max-width:320px;height:100vh;background:var(--primary);padding:80px 16px 24px;gap:0;overflow-y:auto;transform:translateX(-100%);transition:transform 0.3s ease;z-index:1001}.main-nav.active .nav-list{display:flex;transform:translateX(0)}.nav-list li{width:100%}.nav-link{width:100%;height:auto;padding:14px 12px;font-size:15px;border-bottom:1px solid rgba(255,255,255,0.15)}.nav-overlay.active{display:block}.footer-top-grid{grid-template-columns:1fr;gap:28px;padding:36px 16px 20px}.footer-mid-grid{grid-template-columns:1fr}.footer-mid-row{flex-direction:column}.footer-bottom{padding:18px 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;
}