:root{--primary:#2F6BFF;--secondary:#6FA3FF;--btn-gradient:linear-gradient(180deg,#4A8BFF 0%,#2F6BFF 100%);--bg-card:#FFFFFF;--bg-page:#F4F7FB;--text-main:#1F2D3D;--border:#D6E2FF;--glow:#A5C4FF;--header-offset:122px;}*{box-sizing:border-box;}body{margin:0;padding-top:var(--header-offset);font-family:'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg-page);color:var(--text-main);-webkit-font-smoothing:antialiased;}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;box-shadow:0 4px 18px rgba(31,45,61,0.16);background:#FFFFFF;}.header-top{box-sizing:border-box;height:68px;min-height:68px;display:flex;align-items:center;overflow:hidden;background:#FFFFFF;width:100%;}.header-container{box-sizing:border-box;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:0.5px;color:var(--primary);text-decoration:none;white-space:nowrap;}.logo:hover{color:var(--secondary);}.desktop-nav-buttons{display:flex;gap:12px;align-items:center;}.mobile-nav-buttons{box-sizing:border-box;display:none;min-height:48px;}.btn{display:inline-block;text-decoration:none;text-align:center;border-radius:8px;font-weight:700;line-height:1.2;cursor:pointer;transition:transform 0.2s ease,box-shadow 0.2s ease,filter 0.2s ease;border:1px solid transparent;}.btn-primary{background:var(--btn-gradient);color:#FFFFFF;padding:10px 22px;font-size:14px;box-shadow:0 4px 12px rgba(47,107,255,0.35);}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(47,107,255,0.45);filter:brightness(1.05);color:#FFFFFF;}.btn-outline{background:#FFFFFF;color:var(--primary);border:1.5px solid var(--primary);padding:9px 20px;font-size:14px;}.btn-outline:hover{background:var(--glow);color:var(--text-main);transform:translateY(-1px);}.hamburger-menu{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;background:transparent;border:none;cursor:pointer;padding:0;z-index:1001;}.hamburger-menu span{display:block;width:26px;height:3px;background:var(--primary);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);}.main-nav{box-sizing:border-box;height:52px;min-height:52px;display:flex;align-items:center;overflow:hidden;background:var(--primary);width:100%;}.nav-container{box-sizing:border-box;height:100%;width:100%;max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;}.nav-list{list-style:none;display:flex;flex-direction:row;align-items:center;justify-content:center;gap:4px;margin:0;padding:0;width:100%;flex-wrap:wrap;}.nav-item{margin:0;padding:0;}.nav-link{display:block;color:#FFFFFF;text-decoration:none;font-size:13.5px;font-weight:600;padding:8px 10px;border-radius:6px;white-space:nowrap;transition:background 0.2s ease,color 0.2s ease;}.nav-link:hover,.nav-link.active{background:rgba(255,255,255,0.18);color:#FFFFFF;}.nav-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(17,29,46,0.55);z-index:999;opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease;}.nav-overlay.active{opacity:1;visibility:visible;}.site-footer{background:var(--text-main);color:#E8EEF7;padding:48px 0 0;margin-top:40px;font-size:14px;}.footer-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px 24px;box-sizing:border-box;}.footer-slot-anchor,.footer-slot-anchor-inner{width:100%;}.footer-top-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:24px;border-bottom:1px solid rgba(214,226,255,0.22);}.footer-col{min-width:0;}.footer-logo{display:inline-block;font-size:22px;font-weight:800;color:#FFFFFF;text-decoration:none;margin-bottom:14px;}.footer-logo:hover{color:var(--glow);}.footer-description{color:#B9C8DE;line-height:1.65;margin:0 0 14px;word-wrap:break-word;overflow-wrap:break-word;font-size:13.5px;}.footer-title{font-size:15px;font-weight:700;color:#FFFFFF;margin:0 0 14px;letter-spacing:0.3px;}.footer-nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}.footer-nav a{color:#B9C8DE;text-decoration:none;font-size:13.5px;transition:color 0.2s ease,padding-left 0.2s ease;display:inline-block;}.footer-nav a:hover{color:var(--glow);padding-left:3px;}.footer-dynamic-col{min-height:1px;}.footer-mid{padding:20px 0;}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-bottom:12px;}.footer-bottom{text-align:center;border-top:1px solid rgba(214,226,255,0.22);padding:20px 0 24px;color:#9FB2CD;font-size:13px;line-height:1.6;}.footer-bottom p{margin:4px 0;}.footer-disclaimer{font-size:12px;color:#8CA0BC;}@media (max-width:768px){:root{--header-offset:110px;}.header-top{height:60px;min-height:60px;}.header-container{width:100%;max-width:none;padding-left:12px;padding-right:12px;position:relative;}.logo{display:block;text-align:center;font-size:22px;}.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;min-height:48px;background:#FFFFFF;}.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;}.hamburger-menu{display:flex;position:absolute;left:12px;top:50%;transform:translateY(-50%);}.main-nav{height:48px;min-height:48px;display:none;position:fixed;top:0;left:0;width:82%;max-width:320px;height:100vh;min-height:100vh;flex-direction:column;background:var(--primary);z-index:1000;transform:translateX(-100%);transition:transform 0.3s ease;overflow-y:auto;padding-top:16px;}.main-nav.active{display:flex;transform:translateX(0);}.nav-container{width:100%;max-width:none;height:auto;flex-direction:column;align-items:stretch;padding:10px 14px 30px;}.nav-list{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:2px;width:100%;}.nav-link{font-size:15px;padding:12px 14px;white-space:normal;border-radius:6px;}.footer-top-grid{grid-template-columns:1fr 1fr;gap:22px;padding-bottom:20px;}.footer-mid-grid{grid-template-columns:1fr 1fr;gap:14px;}.footer-container{padding:0 16px 20px;}.footer-logo{font-size:20px;}.site-footer{padding-top:34px;}.page-content img{max-width:100% !important;height:auto !important;display:block;}.page-content{overflow-x:hidden;max-width:100%;}body{overflow-x:hidden;}}@media (max-width:480px){.footer-top-grid{grid-template-columns:1fr;gap:20px;}.footer-mid-grid{grid-template-columns:1fr;}}
/* 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;
}