:root{--bg:#f6f7f9;--card:#ffffff;--border:#e5e7eb;--primary:#2563eb;--primary-hover:#1d4ed8;--danger:#dc2626;--ok:#16a34a;--warn:#d97706;--text:#111827;--muted:#4b5563}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}a{color:var(--primary);text-decoration:none}.container{max-width:1080px;margin:0 auto;padding:24px 16px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:16px}.topbar{background:#fff;border-bottom:1px solid var(--border);padding:0 24px;display:flex;align-items:center;gap:24px;height:52px}.topbar .brand{font-weight:700;font-size:16px}.topbar nav{display:flex;gap:18px;flex:1 1}.topbar nav a{color:var(--muted);padding:4px 2px}.topbar nav a.active,.topbar nav a:hover{color:var(--primary)}h1{font-size:20px;margin-bottom:16px}h2{font-size:16px;margin-bottom:12px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}th{color:var(--muted);font-weight:500}button,th{font-size:13px}button{cursor:pointer;border:none;border-radius:6px;padding:7px 14px;background:var(--primary);color:#fff}button:hover{background:var(--primary-hover)}button.ghost{background:#fff;color:var(--text);border:1px solid var(--border)}button.ghost:hover{background:#f3f4f6}button.danger{background:var(--danger)}button.ok{background:var(--ok)}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:14px;font-family:inherit;background:#fff}textarea.code{font-family:Consolas,monospace;font-size:13px;min-height:320px}label{display:block;margin:10px 0 4px;font-size:13px}.tag,label{color:var(--muted)}.tag{display:inline-block;border-radius:999px;padding:1px 10px;font-size:12px;border:1px solid var(--border)}.tag.published{color:var(--ok);border-color:var(--ok);background:#f0fdf4}.tag.pending{color:var(--warn);border-color:var(--warn);background:#fffbeb}.tag.rejected{color:var(--danger);border-color:var(--danger);background:#fef2f2}.tag.aigc{color:#7c3aed;border-color:#7c3aed;background:#f5f3ff}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:16px;gap:16px}.stat .num{font-size:28px;font-weight:700}.stat .label{color:var(--muted)}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.muted{color:var(--muted)}.error{color:var(--danger);margin:8px 0}.material{white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Consolas,Courier New,monospace;background:#f9fafb;border:1px solid var(--border);border-radius:8px;padding:14px;margin:8px 0 16px}.point{border-left:3px solid var(--primary);padding:6px 12px;margin:8px 0;background:#f8fafc;border-radius:0 6px 6px 0}.hero{text-align:center;padding:48px 16px 32px}.hero h1{font-size:28px;margin-bottom:8px}.hero p{color:#4b5563}.hero .actions{margin-top:24px;display:flex;gap:12px;justify-content:center}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:16px;gap:16px;margin-top:16px}.entry{display:block;padding:20px;border:1px solid var(--border,#e5e7eb);border-radius:10px;background:#fff;text-decoration:none;color:inherit;transition:box-shadow .15s}.entry:hover{box-shadow:0 4px 16px rgba(0,0,0,.08)}.entry .t{font-size:16px;font-weight:600;margin-bottom:4px}.entry .d{font-size:13px;color:#4b5563}.tabs{display:flex;gap:8px;margin:12px 0 16px;flex-wrap:wrap}.tab{border:1px solid #d1d5db;background:#fff;color:var(--text);border-radius:999px;padding:4px 14px;font-size:13px;cursor:pointer}.tab:hover{background:#f3f4f6}.tab.active{background:#111827;color:#fff;border-color:#111827}.qitem{display:block;padding:14px 16px;border:1px solid #e5e7eb;border-radius:10px;background:#fff;text-decoration:none;color:inherit}.qitem:hover{border-color:#9ca3af}.qitem .t{font-weight:600;margin-bottom:6px}.qitem .meta{display:flex;gap:8px;align-items:center;font-size:12px;color:#6b7280;flex-wrap:wrap}.option{display:flex;gap:10px;width:100%;text-align:left;padding:10px 14px;border:1px solid #e5e7eb;border-radius:8px;background:#fff;color:var(--text);cursor:pointer;margin-bottom:8px;font-size:14px;line-height:1.5}.option:hover{background:#f3f4f6}.option.selected{border-color:#2563eb;background:#eff6ff}.option .key{font-weight:700;flex-shrink:0}.option.correct{border-color:#16a34a;background:#f0fdf4}.option.wrong{border-color:#dc2626;background:#fef2f2}.case-answer{width:100%;min-height:96px;padding:10px 12px;border:1px solid #e5e7eb;border-radius:8px;font-size:14px;font-family:inherit;resize:vertical;box-sizing:border-box}.case-answer:focus{outline:2px solid #bfdbfe}.grade-summary{border-radius:10px;padding:16px 20px;margin:16px 0;background:#f9fafb;border:1px solid #e5e7eb}.grade-summary .score{font-size:30px;font-weight:800;margin-right:8px}.point-row{border:1px solid #e5e7eb;border-radius:8px;padding:10px 12px;margin-bottom:8px;background:#fff;font-size:13px}.point-row.hit{border-left:3px solid #16a34a}.point-row.miss{border-left:3px solid #d1d5db}.point-row .head{display:flex;justify-content:space-between;gap:8px;align-items:baseline}.point-row .kw{color:#16a34a;font-size:12px}.risk-badge{display:inline-block;background:#fef9c3;color:#854d0e;border:1px solid #fde047;border-radius:4px;font-size:11px;padding:0 6px;margin-left:6px}.subq-title{font-weight:600;margin:18px 0 8px}.ref{color:#374151;background:#f9fafb;border-radius:6px;padding:6px 8px;margin-top:6px}.actions-row{gap:10px}.actions-row,.wb-row{display:flex;align-items:center;flex-wrap:wrap}.wb-row{justify-content:space-between;gap:12px;padding:12px 16px;border:1px solid #e5e7eb;border-radius:10px;background:#fff;margin-bottom:10px}.wb-row .mastered{color:#16a34a;font-size:12px}.card-box{border:1px solid #e5e7eb;border-radius:10px;background:#fff;padding:14px 16px;margin-bottom:12px}.card-box .head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}.card-box pre{white-space:pre-wrap;font-family:inherit;font-size:13px;line-height:1.7;margin:0}.status-btn{font-size:13px;padding:6px 14px;cursor:pointer}.md-body{font-size:13px;line-height:1.8}.md-body>div{margin-bottom:2px}.md-table{border-collapse:collapse;margin:6px 0;font-size:12.5px}.md-table td{border:1px solid #e5e7eb;padding:4px 10px}.md-table tr.md-th td{background:#f3f4f6;font-weight:600}.card-toggle{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%;padding:12px 16px;background:#fff;color:var(--text);border:none;cursor:pointer;font-size:14px;font-family:inherit}.card-toggle:hover{background:#f3f4f6}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:12px;gap:12px;align-items:end}.kp-picker{display:flex;flex-wrap:wrap;gap:6px 14px;border:1px solid var(--border);border-radius:6px;padding:10px;max-height:180px;overflow-y:auto}.kp-item{display:inline-flex;align-items:center;gap:4px;margin:0;font-size:13px;color:inherit;cursor:pointer}.kp-item input{width:auto}.ai-judge{border:1px dashed #93c5fd;background:#eff6ff;border-radius:8px;padding:14px;margin-top:16px}.ai-judge .verdict-award{color:#16a34a;font-weight:700}.ai-judge .verdict-confirm{color:#6b7280;font-weight:700}.mode-chip{font-size:13px;color:#6b7280;background:#fff;border:1px solid #e5e7eb;border-radius:999px;padding:4px 14px;cursor:pointer}.mode-chip.on{color:#1d4ed8;border-color:#1d4ed8;background:#eff6ff;font-weight:700}.reveal-box{background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;padding:10px 14px;margin-bottom:16px}