:root{--primary:#2F6BFF;--secondary:#6FA3FF;--bg-body:#F4F7FB;--card-bg:#FFFFFF;--text-main:#1F2D3D;--border:#D6E2FF;--glow:#A5C4FF;--btn-gradient:linear-gradient(180deg,#4A8BFF 0%,#2F6BFF 100%);--header-offset:122px;--header-top-h:68px;--main-nav-h:52px}*,*::before,*::after{box-sizing:border-box}body{margin:0;padding-top:var(--header-offset);font-family:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:var(--text-main);background-color:var(--bg-body);overflow-x:hidden}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;background-color:var(--card-bg);box-shadow:0 4px 18px rgba(47,107,255,0.14);border-bottom:1px solid var(--border)}.header-top{box-sizing:border-box;height:var(--header-top-h);min-height:var(--header-top-h);display:flex;align-items:center;overflow:hidden;width:100%;background-color:var(--primary)}.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:24px;padding-right:24px}.logo{display:inline-block;font-size:28px;font-weight:800;letter-spacing:0.5px;color:#FFFFFF;text-decoration:none;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}.btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;font-weight:700;text-decoration:none;border-radius:8px;cursor:pointer;line-height:1.2;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:15px;box-shadow:0 4px 14px rgba(47,107,255,0.4)}.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 6px 18px rgba(47,107,255,0.55)}.btn-secondary{background:#FFFFFF;color:var(--primary);padding:10px 22px;font-size:15px;border:1px solid var(--border);box-shadow:0 2px 8px rgba(47,107,255,0.16)}.btn-secondary:hover{background:var(--glow);color:#0E2A66;transform:translateY(-1px)}.mobile-nav-buttons{box-sizing:border-box;display:none;min-height:48px;width:100%;max-width:100%}.hamburger-menu{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;padding:0;background:transparent;border:none;cursor:pointer;z-index:1001}.hamburger-menu span{display:block;width:24px;height:2px;background-color:#FFFFFF;border-radius:2px;transition:transform 0.3s ease,opacity 0.3s 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)}.main-nav{box-sizing:border-box;height:var(--main-nav-h);min-height:var(--main-nav-h);display:flex;align-items:center;overflow:hidden;width:100%;background-color:#FFFFFF;border-top:1px solid var(--border)}.nav-container{box-sizing:border-box;width:100%;height:100%;max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 24px}.nav-menu{display:flex;flex-direction:row;justify-content:center;align-items:center;gap:26px;list-style:none;margin:0;padding:0}.nav-link{position:relative;display:inline-block;color:var(--text-main);font-size:15px;font-weight:600;text-decoration:none;padding:6px 2px;transition:color 0.2s ease;white-space:nowrap}.nav-link::after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--btn-gradient);border-radius:2px;transform:scaleX(0);transform-origin:center;transition:transform 0.25s ease}.nav-link:hover,.nav-link.active{color:var(--primary)}.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}.nav-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(15,30,60,0.55);opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease;z-index:999}.nav-overlay.active{opacity:1;visibility:visible}.site-footer{background-color:#0E1E3C;color:#E6EEFF;padding:0;margin-top:40px}.footer-container{box-sizing:border-box;width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.footer-top{padding:48px 0 8px}.footer-top-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}.footer-col{min-width:0}.footer-logo{display:inline-block;font-size:26px;font-weight:800;color:#FFFFFF;text-decoration:none;margin-bottom:14px;letter-spacing:0.5px}.footer-description{font-size:14px;line-height:1.7;color:#B9CCF0;margin:0 0 12px;overflow-wrap:break-word;word-wrap:break-word}.footer-heading{font-size:16px;font-weight:700;color:#FFFFFF;margin:0 0 16px;position:relative;padding-bottom:10px}.footer-heading::after{content:'';position:absolute;left:0;bottom:0;width:36px;height:3px;border-radius:2px;background:var(--btn-gradient)}.footer-nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.footer-nav li{line-height:1.4}.footer-nav a{color:#B9CCF0;font-size:14px;text-decoration:none;transition:color 0.2s ease,padding-left 0.2s ease;display:inline-block}.footer-nav a:hover{color:#FFFFFF;padding-left:4px}.footer-mid{padding:24px 0}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-bottom{background-color:#081530;border-top:1px solid rgba(165,196,255,0.2);padding:18px 0}.footer-copyright{font-size:13px;color:#9FB6DE;margin:0;text-align:center;line-height:1.6}.footer-slot-anchor-inner{min-height:1px}@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{flex:1 !important;display:flex !important;justify-content:center !important;align-items:center !important;font-size:24px}.logo img{display:block !important;max-width:100%;height:auto;max-height:56px !important}.hamburger-menu{display:flex;order:-1}.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-color:#FFFFFF;border-bottom:1px solid var(--border)}.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{position:fixed;top:0;left:0;height:100vh;width:78%;max-width:320px;min-height:100vh;display:none;flex-direction:column;background-color:#FFFFFF;box-shadow:4px 0 24px rgba(15,30,60,0.25);transform:translateX(-100%);transition:transform 0.3s ease;z-index:1001;overflow-y:auto;border-top:none}.main-nav.active{display:block;transform:translateX(0)}.nav-container{width:100%;max-width:none;height:auto;padding:80px 20px 30px;flex-direction:column;justify-content:flex-start;align-items:stretch}.nav-menu{flex-direction:column;align-items:stretch;gap:0;width:100%}.nav-menu li{border-bottom:1px solid var(--border)}.nav-link{display:block;padding:14px 6px;font-size:16px;width:100%}.nav-link::after{display:none}.nav-link:hover,.nav-link.active{color:var(--primary);padding-left:10px}.footer-top{padding:36px 0 8px}.footer-top-grid{grid-template-columns:1fr;gap:26px}.footer-mid-grid{grid-template-columns:1fr 1fr;gap:16px}.footer-container{padding:0 16px}.footer-copyright{text-align:center}.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-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;
}