:root{--nb-navy:#0d2152;--nb-navy-2:#122c52;--nb-cobalt:#00b8eb;--nb-emerald:#3aaf6c;--nb-amber:#d4a843;--nb-red:#e05252;--nb-text:#4a4a4a;--nb-text-mute:#4a4a4a;--nb-text-faint:#c9d1dc;--nb-line:#e0e0e0;--nb-bg:#fff;--nb-bg-mute:#f1f4f9}*{box-sizing:border-box;border-radius:0;margin:0;padding:0}html{scroll-behavior:smooth}body{color:var(--nb-text);background:var(--nb-bg);-webkit-font-smoothing:antialiased;font-family:Microsoft YaHei,Arial,sans-serif;line-height:1.5}a{color:var(--nb-cobalt);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}button:disabled{cursor:not-allowed;opacity:.5}.nb-container{max-width:1240px;margin:0 auto;padding:0 24px}.nb-btn{letter-spacing:.5px;border:0;border-radius:0;align-items:center;gap:8px;padding:10px 18px;font-size:13px;font-weight:700;display:inline-flex}.nb-btn-primary{background:var(--nb-cobalt);color:#fff}.nb-btn-primary:hover{background:var(--nb-navy)}.nb-btn-ghost{color:var(--nb-cobalt);border:1px solid var(--nb-cobalt);background:0 0}.nb-btn-emerald{background:var(--nb-emerald);color:#fff}.nb-card{border:1px solid var(--nb-line);background:#fff;padding:20px}.nb-card-tight{padding:14px 16px}.nb-card-feature{background:var(--nb-bg-mute);border:0;padding:24px}.nb-card-dark{background:var(--nb-navy);color:#fff;padding:20px}.nb-eyebrow{color:var(--nb-cobalt);letter-spacing:2px;text-transform:uppercase;margin-bottom:6px;font-size:11px;font-weight:700}.nb-h1{color:var(--nb-navy);letter-spacing:-.5px;font-size:32px;font-weight:900}.nb-h2{color:var(--nb-navy);font-size:22px;font-weight:700}.nb-h3{color:var(--nb-navy);font-size:16px;font-weight:700}.nb-mono{font-family:SF Mono,Menlo,Consolas,monospace;font-size:12px}.nb-grid{gap:16px;display:grid}.nb-grid-3{grid-template-columns:repeat(3,1fr)}.nb-grid-4{grid-template-columns:repeat(4,1fr)}.nb-grid-2{grid-template-columns:repeat(2,1fr)}.nb-stat{color:var(--nb-navy);font-size:30px;font-weight:900;line-height:1}.nb-stat-good{color:var(--nb-emerald)}.nb-stat-bad{color:var(--nb-red)}.nb-stat-label{color:var(--nb-text-mute);letter-spacing:1.5px;text-transform:uppercase;margin-top:6px;font-size:10px}.nb-pill{letter-spacing:1px;text-transform:uppercase;padding:3px 10px;font-size:10px;font-weight:700;display:inline-block}.nb-pill-good{background:var(--nb-emerald);color:#fff}.nb-pill-bad{background:var(--nb-red);color:#fff}.nb-pill-info{background:var(--nb-cobalt);color:#fff}.nb-pill-mute{background:var(--nb-bg-mute);color:var(--nb-text-mute)}.nb-table{border-collapse:collapse;width:100%;font-size:13px}.nb-table th{text-align:left;background:var(--nb-bg-mute);color:var(--nb-navy);letter-spacing:1px;text-transform:uppercase;border-bottom:1px solid var(--nb-line);padding:10px 12px;font-size:11px;font-weight:700}.nb-table td{border-bottom:1px solid var(--nb-line);color:var(--nb-text);padding:10px 12px}.nb-table tr:hover td{background:var(--nb-bg-mute)}.portal-header{background:var(--nb-navy);color:#fff;justify-content:space-between;align-items:center;min-height:68px;padding:0 max(24px,50vw - 620px);display:flex}.portal-brand{color:#fff;letter-spacing:.2px;font-size:18px;font-weight:900}.portal-header nav{gap:22px;display:flex}.portal-header nav a{color:#fff;font-size:13px;font-weight:700}.portal-main{padding-top:44px;padding-bottom:72px}.portal-section{margin-top:28px;margin-bottom:28px}.section-label{color:var(--nb-navy);text-transform:uppercase;letter-spacing:1px;margin:36px 0 16px;font-size:14px}.product-title{margin:16px 0 8px}.account-manager{color:var(--nb-cobalt);margin-top:18px;font-weight:700}.ticket-list{border-top:1px solid var(--nb-line);margin-top:28px;display:grid}.ticket-row{color:var(--nb-text);border-bottom:1px solid var(--nb-line);grid-template-columns:90px 1fr 140px 190px;gap:16px;padding:18px 12px;display:grid}.ticket-row:hover{background:var(--nb-bg-mute);text-decoration:none}.ticket-detail{max-width:860px}.note{margin-top:12px}.note small{color:var(--nb-text-mute);margin-top:12px;display:block}.note-form{gap:10px;margin-top:32px;display:grid}.note-form label{color:var(--nb-navy);font-weight:700}.note-form textarea{border:1px solid var(--nb-line);min-height:130px;font:inherit;padding:12px}.note-form button{justify-self:start}@media (max-width:760px){.nb-grid-2,.nb-grid-3,.nb-grid-4{grid-template-columns:1fr}.portal-header{flex-direction:column;align-items:flex-start;gap:12px;padding-top:18px;padding-bottom:18px}.portal-header nav{flex-wrap:wrap}.ticket-row{grid-template-columns:70px 1fr}}