#headerBox{position:fixed;top:0;left:0;width:100%;height:72px;z-index:100;background:transparent;border-bottom:none;box-shadow:none;box-sizing:border-box}#headerBox.scrolled{background:linear-gradient(180deg,hsla(0,0%,100%,.92),hsla(0,0%,100%,.72));backdrop-filter:blur(10px);box-shadow:0 4px 16px rgba(82,97,156,.07)}.topbar-inner{width:min(1120px,92vw);height:72px;margin:0 auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.brand{justify-self:start;display:inline-flex;align-items:center;gap:8px;font-size:1.14rem;font-weight:800;letter-spacing:.02em;color:inherit;text-decoration:none}.brand-icon{width:24px;height:24px;border-radius:4px;object-fit:contain}.brand-text{background:linear-gradient(90deg,#3048dc,#7a41e7);-webkit-background-clip:text;background-clip:text;color:transparent}.nav{justify-self:center;display:flex;gap:4px;color:#5e6b95;font-size:.95rem}.nav .menu_item{position:relative;padding:8px 12px;border-radius:999px;color:#5e6b95;text-decoration:none;cursor:pointer;transition:background .2s ease,color .2s ease}.nav .menu_item:after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;border-radius:2px;background:linear-gradient(90deg,#4e62ff,#8453ff);transition:width .2s ease}.nav .menu_item:hover{color:#3f4e85;background:rgba(238,242,255,.75)}.nav .menu_item:hover:after{width:0}.nav .menu_item.active{color:#3f4e85;background:rgba(238,242,255,.75)}.nav .menu_item.active:after{width:100%}.topbar-inner>.btn-outline{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border:1px solid #6f74d8;border-radius:999px;color:#fff;background:#6f74d8;box-shadow:0 10px 24px rgba(77,84,168,.18);font-family:inherit;font-size:14px;font-weight:600;text-decoration:none;transition:transform .25s ease,box-shadow .25s ease,background .25s ease}.topbar-inner>.btn-outline:hover{transform:translateY(-2px);color:#fff;border-color:#6469cc;background:#6469cc;box-shadow:0 14px 30px rgba(77,84,168,.26)}#headerBox .header_logo{width:100px}#headerBox .header_logo img{width:84px;height:32px;cursor:pointer}#headerBox .header_menu{margin-left:120px;flex:1;display:flex;align-items:center;justify-content:flex-start}#headerBox .header_menu .menu_item{border-bottom:4px solid transparent;padding-bottom:10px;height:72px;line-height:72px;font-size:20px;margin-right:50px;cursor:pointer;color:#5e6b95;text-decoration:none}#headerBox .header_menu .menu_item.active{border-bottom:4px solid #0fb8b1;color:#0fb8b1}#headerBox .header_menu .menu_item:hover{color:#0fb8b1}.sub_headerBox{position:fixed;top:72px;left:50%;width:min(360px,calc(100vw - 32px));height:auto;padding:12px;background:hsla(0,0%,100%,.92);backdrop-filter:blur(10px);z-index:99;display:none;flex-direction:column;align-items:stretch;gap:4px;transform:translateX(-50%);border:1px solid rgba(214,221,246,.8);border-top:0;border-radius:0 0 16px 16px;box-shadow:0 4px 16px rgba(82,97,156,.07);box-sizing:border-box}.sub_headerBox .item{position:relative;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:3px;padding:12px 14px;border-radius:10px;font-weight:600;font-size:.95rem;color:#5e6b95;background:transparent;border:none;cursor:pointer;text-decoration:none;transition:background .2s ease,color .2s ease}.sub_headerBox .item:after{content:"";position:absolute;left:14px;bottom:5px;width:0;height:2px;border-radius:2px;background:linear-gradient(90deg,#4e62ff,#8453ff);transition:width .2s ease}.sub_headerBox .item:hover{color:#3f4e85;background:rgba(238,242,255,.75)}.sub_headerBox .item:hover:after{width:0}.sub_headerBox .item.active{color:#3f4e85;background:rgba(238,242,255,.75)}.sub_headerBox .item.active:after{width:calc(100% - 28px)}.sub_headerBox .item-title{color:inherit;font:inherit;line-height:1.4}.sub_headerBox .item-desc{color:#8490b1;font-size:.78rem;font-weight:400;line-height:1.45}.contact-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:9999;justify-content:center;align-items:center}.contact-modal.active{display:flex}.contact-modal-mask{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5)}.contact-modal-content{position:relative;width:320px;background:transparent;border-radius:12px;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.2)}.contact-modal-close{position:absolute;top:12px;right:16px;font-size:19px;color:#fff;cursor:pointer;line-height:1;z-index:1}.contact-modal-header{width:100%;display:block;border-radius:12px 12px 0 0}.contact-modal-qrcode{width:100%;display:block;border-radius:0 0 12px 12px}#YSF-BTN-HOLDER{display:none!important}.qiyu-service-button{position:fixed;right:24px;bottom:24px;z-index:120;display:inline-flex;align-items:center;justify-content:center;width:48px;min-height:48px;padding:0;border:1px solid #6f74d8;border-radius:999px;color:#fff;background:#6f74d8;box-shadow:0 12px 28px rgba(77,84,168,.24);font:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,opacity .25s ease}.qiyu-service-button:hover{transform:translateY(-2px);background:#6469cc;box-shadow:0 16px 34px rgba(77,84,168,.3)}.qiyu-service-button.loading{opacity:.68;cursor:wait}.qiyu-service-icon{position:relative;width:19px;height:19px;border:2px solid;border-radius:50%;flex-shrink:0}.qiyu-service-icon:before{content:"";position:absolute;top:6px;left:4px;width:3px;height:3px;border-radius:50%;background:currentColor;box-shadow:6px 0 0 currentColor}.qiyu-service-icon:after{content:"";position:absolute;right:0;bottom:-3px;width:7px;height:7px;border-right:2px solid;border-bottom:2px solid;border-bottom-right-radius:2px;transform:rotate(18deg) skew(12deg);background:#6f74d8}.qiyu-service-button:hover .qiyu-service-icon:after{background:#6469cc}@media (max-width:760px){.qiyu-service-button{right:16px;bottom:16px;width:44px;min-height:44px}}