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h2{margin:0;color:#0d1b3e;font-size:1.36rem;font-weight:850}.nexus-login-modal p{margin:-6px 0 2px;color:#53647f;font-size:.88rem;line-height:1.6}.nexus-login-modal label{display:grid;gap:8px}.nexus-login-modal label span{color:#283b61;font-size:.78rem;font-weight:780}.nexus-login-modal input{width:100%;height:44px;padding:0 14px;border:1px solid rgba(214,223,239,.96);border-radius:14px;background:#ffffffdb;color:#0d1b3e;font:inherit;outline:none}.nexus-login-modal input:focus{border-color:#5268ff75;box-shadow:0 0 0 4px #5268ff1a}.nexus-login-error{padding:10px 12px;border-radius:12px;background:#ff3f5f14;color:#c72945;font-size:.78rem;font-weight:720}.nexus-login-submit{height:46px;border:0;border-radius:999px;color:#fff;background:linear-gradient(135deg,#4d61ff,#794bff);font-size:.88rem;font-weight:800;box-shadow:0 16px 28px #5c62ff3d}.nexus-login-hint{color:#8d9bb4;font-size:.72rem;line-height:1.5;text-align:center}.nexus-icp-footer{display:flex;justify-content:center;padding:12px 0 4px}.nexus-icp-footer a{color:#8a97ad;font-size:.76rem;font-weight:650;text-decoration:none}.nexus-icp-footer a:hover{color:#5268ff}@media (max-width: 1180px){.nexus-shell{grid-template-columns:1fr}.nexus-sidebar{border-right:0;border-bottom:1px solid rgba(223,230,242,.92)}.nexus-nav{grid-template-columns:repeat(4,minmax(0,1fr))}.nexus-hero-card{background:linear-gradient(90deg,#ffffffe6,#ffffff6b),url(/ai-empower-background.png) center right / cover no-repeat}.nexus-values-bar{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 820px){.nexus-main{padding:16px}.nexus-topbar{align-items:flex-start;flex-direction:column;gap:12px}.nexus-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.nexus-hero-card{min-height:360px;padding:44px 24px 28px;background:linear-gradient(180deg,#fffffff0,#ffffffbd 42%,#ffffff2e),url(/ai-empower-background.png) center bottom / cover no-repeat}.nexus-hero-copy h1{font-size:2rem}.nexus-quick-grid,.nexus-feature-grid,.nexus-values-bar{grid-template-columns:1fr}.nexus-quick-card,.nexus-detail-hero{grid-template-columns:58px minmax(0,1fr);padding:18px}.nexus-quick-icon,.nexus-detail-icon{width:54px;height:54px}}