:root{--bg: #f4f6fb;--surface: #ffffff;--border: #e4e8f0;--text: #1f2733;--muted: #6b7785;--primary: #2f6bff;--primary-dark: #1f4fd0;--g-excellent: #1a9d5a;--g-good: #2563eb;--g-fair: #d99e1c;--g-poor: #d64545;--shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .06)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:PingFang SC,Microsoft YaHei,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.55}a{color:var(--primary);text-decoration:none}button{font-family:inherit;cursor:pointer}.app-shell{display:flex;min-height:100vh}.sidebar{width:212px;background:#0f1830;color:#cdd6e8;padding:18px 12px;display:flex;flex-direction:column;gap:4px;flex-shrink:0}.sidebar .logo{font-weight:700;font-size:16px;color:#fff;padding:6px 10px 16px;letter-spacing:.5px}.sidebar a.nav{display:block;padding:10px 12px;border-radius:8px;color:#cdd6e8;font-size:13.5px}.sidebar a.nav:hover{background:#1c2747}.sidebar a.nav.active{background:var(--primary);color:#fff}.sidebar .spacer{flex:1}.sidebar .user{font-size:12px;color:#8b97b5;padding:8px 10px;border-top:1px solid #1c2747}.sidebar .user b{color:#fff}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:56px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 22px;gap:12px;flex-shrink:0}.topbar .title{font-weight:600;font-size:15px}.topbar .right{margin-left:auto;display:flex;align-items:center;gap:12px;color:var(--muted)}.content{padding:22px;overflow-y:auto}.loading{padding:40px;text-align:center;color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:var(--shadow);margin-bottom:16px}.card h3{margin:0 0 12px;font-size:15px}.btn{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:9px 16px;font-size:13.5px;font-weight:500}.btn:hover{background:var(--primary-dark)}.btn.secondary{background:#eef2fb;color:var(--primary)}.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}.btn.danger{background:#fff;color:var(--g-poor);border:1px solid var(--g-poor)}.btn:disabled{opacity:.55;cursor:not-allowed}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row.end{justify-content:flex-end}.muted{color:var(--muted)}.small{font-size:12.5px}.right-align{text-align:right}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:#fff;color:var(--text)}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid #cfe0ff;border-color:var(--primary)}.steps{display:flex;gap:8px;margin-bottom:18px}.step{flex:1;text-align:center;padding:8px;border-radius:8px;background:#eef2fb;color:var(--muted);font-size:12.5px}.step.active{background:var(--primary);color:#fff}.step.done{background:#e3f4ea;color:var(--g-excellent)}table{width:100%;border-collapse:collapse;font-size:13.5px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:12.5px;background:#fafbfe}tbody tr:hover{background:#f8faff}.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge .dot{width:8px;height:8px;border-radius:50%;display:inline-block}.chip{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:8px;font-size:12px;border:1px solid var(--border)}.grade{font-weight:700}.grade.excellent{color:var(--g-excellent)}.grade.good{color:var(--g-good)}.grade.fair{color:var(--g-fair)}.grade.poor{color:var(--g-poor)}.shape{font-size:13px}.aivo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.aivo-cell{border:1px solid var(--border);border-radius:10px;padding:14px;text-align:center;background:#fff}.aivo-cell .dim{font-size:12.5px;color:var(--muted);margin-bottom:6px}.aivo-cell .score{font-size:26px;font-weight:700}.aivo-big{display:flex;align-items:center;gap:16px}.aivo-big .num{font-size:46px;font-weight:800;line-height:1}.aivo-big .meta{font-size:13px;color:var(--muted)}.note{padding:12px 14px;border-radius:10px;font-size:13px}.note.warn{background:#fff7e6;border:1px solid #ffe2a8;color:#8a5a00}.note.info{background:#eef4ff;border:1px solid #cfe0ff;color:#1f4fd0}.note.danger{background:#fdecec;border:1px solid #f5c2c2;color:#a32525}.note.ok{background:#e9f7ef;border:1px solid #bfe9cf;color:#136a3c}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px}.tabs button{background:none;border:none;padding:10px 14px;font-size:13.5px;color:var(--muted);border-bottom:2px solid transparent}.tabs button.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f1830,#2f6bff)}.login-card{width:360px;background:#fff;border-radius:14px;padding:30px;box-shadow:0 20px 60px #00000040}.login-card h1{margin:0 0 4px;font-size:20px}.login-card .sub{color:var(--muted);margin-bottom:22px;font-size:13px}.err{background:#fdecec;color:#a32525;padding:9px 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