.navbar{z-index:1000;background:#fff url(/assets/bg29-Bp-489LZ.png) 0 0/cover;border-bottom:1px solid #e5e7eb;width:100%;height:70px;margin:0 auto;padding:0;transition:all .3s;position:fixed;top:0}.navbar.scrolled{box-shadow:0 2px 10px #0000001a}.nav-container{justify-content:space-between;align-items:center;width:1400px;height:100%;margin:0 auto;padding:0 2rem;display:flex}.nav-logo{cursor:pointer}.nav-logo img{width:100px;height:30px}.nav-links{align-items:center;gap:0;height:100%;margin:0;padding:0;list-style:none;display:flex}.nav-item{cursor:pointer;align-items:center;height:100%;display:flex;position:relative}.nav-link{color:#374151;align-items:center;height:100%;padding:0 24px;font-size:16px;font-weight:500;transition:color .3s;display:flex}.nav-item:hover .nav-link{color:#2563eb}.nav-item.active .nav-link{color:#165698;font-weight:600}.nav-underline{background:#2563eb;width:0;height:3px;transition:width .3s;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.nav-item:hover .nav-underline{width:60%}.nav-item.active .nav-underline{background:#165698;width:60%}.nav-expanded-content{opacity:0;visibility:hidden;z-index:9999;pointer-events:none;background:#fff;border-top:1px solid #e2e8f0;width:100vw;padding:40px 0;transition:all .3s;position:fixed;top:70px;left:0;right:0;transform:translateY(-10px);box-shadow:0 4px 20px #00000014}.nav-expanded-content.show{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.unified-container{max-width:1400px;margin:0 auto;padding:0 40px}.unified-columns{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:40px;display:grid}.unified-column{flex-direction:column;display:flex}.column-title-clickable{color:#495057;cursor:pointer;margin:0 0 20px;font-size:16px;font-weight:600;transition:color .2s}.column-title-clickable:hover{color:#2563eb}.column-title-clickable.active{color:#165698;font-weight:700}.column-items{flex-direction:column;gap:12px;display:flex}.content-item{color:#6c757d;cursor:pointer;font-size:14px;transition:color .2s}.content-item:hover{color:#2563eb}.content-item.active{color:#165698;font-weight:600}.hot-icon{width:16px;height:16px;margin-left:8px}.mobile-only,.mobile-menu-overlay{display:none!important}@media (width<=1400px){.nav-container{width:100%}}@media (width<=576px){.nav-container{box-sizing:border-box;width:100%;padding:0 10px}.pc-only,.nav-expanded-content{display:none!important}.mobile-only{display:flex!important}.menu-toggle{z-index:1001;cursor:pointer;flex-direction:column;gap:.3125rem;padding:.625rem;position:relative}.menu-toggle .icon-bar{background:#333;width:1.5625rem;height:.1875rem;transition:all .3s}.menu-toggle .icon-bar.open:first-child{transform:translateY(.5rem)rotate(45deg)}.menu-toggle .icon-bar.open:nth-child(2){opacity:0;transform:scaleX(0)}.menu-toggle .icon-bar.open:nth-child(3){transform:translateY(-.5rem)rotate(-45deg)}.mobile-menu-overlay{visibility:hidden;opacity:0;pointer-events:none;background:#fff;border-top:1px solid #e5e7eb;flex-direction:column;transition:all .3s;position:fixed;inset:4.375rem 0 0;z-index:999999!important;display:flex!important}.mobile-menu-overlay.is-open{visibility:visible!important;opacity:1!important;pointer-events:auto!important}.mobile-menu-container{flex:1;height:calc(100vh - 4.375rem);display:flex;overflow:hidden}.mobile-sidebar{background:#f8f9fa;border-right:1px solid #eee;width:8.75rem;overflow-y:auto}.mobile-l1-item{color:#333;cursor:pointer;text-align:left;border-left:.1875rem solid #0000;padding:1rem .75rem;font-size:.9375rem;transition:all .2s}.mobile-l1-item.active{color:#2563eb;background:#fff;border-left-color:#2563eb;font-weight:700}.mobile-l2-item{color:#666;text-align:left;cursor:pointer;background:#fff;padding:.75rem .75rem .75rem 1.5rem;font-size:.875rem;transition:color .2s}.mobile-l2-item.active{color:#2563eb}.mobile-content{background:#fff;flex:1;padding:1.25rem;overflow-y:auto}.mobile-content-title{color:#333;margin-bottom:.75rem;font-size:.875rem;font-weight:500}.mobile-content-divider{background:#e5e7eb;height:1px;margin-bottom:1rem}.mobile-l3-list{flex-direction:column;gap:1rem;display:flex}.mobile-l3-item{color:#666;cursor:pointer;font-size:.875rem;transition:color .2s}.mobile-l3-item:hover{color:#2563eb}.mobile-l3-item.active{color:#165698;font-weight:600}}