.exam-note[data-astro-cid-rzqihxkv]{--bg-paper:#fafafa;--bg-card:#fff;--bg-hover:#f1f1f1;--text-main:#1a1a1a;--text-muted:#6b7280;--accent:#e85d04;--accent-soft:#ffedd5;--primary:#e85d04;--primary-light:#ffedd5;--border:#e5e5e5;--border-dark:#d4d4d4;--prac:#475569;--prac-light:#f1f5f9;--prac-dark:#334155;--warning-red:#be123c;--warning-bg:#ffe4e6;--success-green:#15803d;--success-bg:#dcfce7;--highlight-yellow:#b45309;--highlight-bg:#fef3c7;--radius:12px;--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-family:var(--font);color:var(--text-main);font-size:15px;line-height:1.75}@media (prefers-color-scheme:dark){.exam-note[data-astro-cid-rzqihxkv]{--bg-paper:#0f0f0f;--bg-card:#1a1a1a;--bg-hover:#262626;--text-main:#eaeaea;--text-muted:#afb9ca;--accent:#ff9f1c;--accent-soft:#2a1c08;--primary:#ff9f1c;--primary-light:#3a2607;--border:#2a2a2a;--border-dark:#3a3a3a;--prac:#94a3b8;--prac-light:#1e293b;--prac-dark:#cbd5e1;--warning-red:#fb7185;--warning-bg:#3a141b;--success-green:#4ade80;--success-bg:#0f2a1a;--highlight-yellow:#fbbf24;--highlight-bg:#2a230a}}:root[data-theme=dark] .exam-note[data-astro-cid-rzqihxkv]{--bg-paper:#0f0f0f;--bg-card:#1a1a1a;--bg-hover:#262626;--text-main:#eaeaea;--text-muted:#afb9ca;--accent:#ff9f1c;--accent-soft:#2a1c08;--primary:#ff9f1c;--primary-light:#3a2607;--border:#2a2a2a;--border-dark:#3a3a3a;--prac:#94a3b8;--prac-light:#1e293b;--prac-dark:#cbd5e1;--warning-red:#fb7185;--warning-bg:#3a141b;--success-green:#4ade80;--success-bg:#0f2a1a;--highlight-yellow:#fbbf24;--highlight-bg:#2a230a}.exam-note[data-astro-cid-rzqihxkv] section[data-astro-cid-rzqihxkv]{margin-bottom:34px;scroll-margin-top:90px}.exam-note[data-astro-cid-rzqihxkv] section[data-astro-cid-rzqihxkv]>h2[data-astro-cid-rzqihxkv]{border-left:4px solid var(--primary);color:var(--text-main);margin-bottom:6px;padding-left:12px;font-size:20px;font-weight:700}.exam-note[data-astro-cid-rzqihxkv] section[data-astro-cid-rzqihxkv]>.desc[data-astro-cid-rzqihxkv]{color:var(--text-muted);margin-bottom:16px;padding-left:12px;font-size:13.5px}.exam-note[data-astro-cid-rzqihxkv] .block[data-astro-cid-rzqihxkv]{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;padding:16px 18px}.exam-note[data-astro-cid-rzqihxkv] .block[data-astro-cid-rzqihxkv] h3[data-astro-cid-rzqihxkv]{color:var(--text-main);margin-bottom:8px;font-size:16px;font-weight:600}.exam-note[data-astro-cid-rzqihxkv] .block[data-astro-cid-rzqihxkv] h3[data-astro-cid-rzqihxkv] .en[data-astro-cid-rzqihxkv]{color:var(--text-muted);margin-left:6px;font-size:13px;font-weight:400}.exam-note[data-astro-cid-rzqihxkv] ul[data-astro-cid-rzqihxkv].note{padding-left:2px;list-style:none}.exam-note[data-astro-cid-rzqihxkv] ul[data-astro-cid-rzqihxkv].note>li[data-astro-cid-rzqihxkv]{padding:5px 0 5px 16px;position:relative}.exam-note[data-astro-cid-rzqihxkv] ul[data-astro-cid-rzqihxkv].note>li[data-astro-cid-rzqihxkv]:before{content:"▪";color:var(--primary);position:absolute;top:5px;left:0}.exam-note[data-astro-cid-rzqihxkv] .kv[data-astro-cid-rzqihxkv]{flex-wrap:wrap;gap:6px 18px;padding:4px 0;display:flex}.exam-note[data-astro-cid-rzqihxkv] .kv[data-astro-cid-rzqihxkv] b[data-astro-cid-rzqihxkv]{color:var(--highlight-yellow)}.exam-note[data-astro-cid-rzqihxkv] .hl[data-astro-cid-rzqihxkv]{background:var(--highlight-bg);color:var(--highlight-yellow);border-radius:6px;padding:1px 6px;font-weight:600}.exam-note[data-astro-cid-rzqihxkv] .neg[data-astro-cid-rzqihxkv]{color:var(--warning-red);border-bottom:2px solid var(--warning-red);padding:0 2px;font-weight:700}.exam-note[data-astro-cid-rzqihxkv] .negwrap[data-astro-cid-rzqihxkv]{background:var(--warning-bg);border-left:3px solid var(--warning-red);border-radius:6px;margin:6px 0;padding:6px 12px}.exam-note[data-astro-cid-rzqihxkv] .diff[data-astro-cid-rzqihxkv]{vertical-align:middle;border-radius:6px;margin-left:8px;padding:1px 7px;font-size:11px;font-weight:700}.exam-note[data-astro-cid-rzqihxkv] .d-high[data-astro-cid-rzqihxkv]{background:var(--warning-bg);color:var(--warning-red)}.exam-note[data-astro-cid-rzqihxkv] .d-mid[data-astro-cid-rzqihxkv]{background:var(--highlight-bg);color:var(--highlight-yellow)}.exam-note[data-astro-cid-rzqihxkv] .d-low[data-astro-cid-rzqihxkv]{background:var(--success-bg);color:var(--success-green)}.exam-note[data-astro-cid-rzqihxkv] .lib[data-astro-cid-rzqihxkv]{border-left:3px solid var(--primary);background:#e85d040a}.exam-note[data-astro-cid-rzqihxkv] .lib[data-astro-cid-rzqihxkv] .row[data-astro-cid-rzqihxkv]{border-bottom:1px dashed var(--border);gap:14px;padding:9px 0;display:flex}.exam-note[data-astro-cid-rzqihxkv] .lib[data-astro-cid-rzqihxkv] .row[data-astro-cid-rzqihxkv]:last-child{border-bottom:none}.exam-note[data-astro-cid-rzqihxkv] .lib[data-astro-cid-rzqihxkv] .name[data-astro-cid-rzqihxkv]{color:var(--primary);flex-shrink:0;min-width:170px;font-weight:700}.exam-note[data-astro-cid-rzqihxkv] .lib[data-astro-cid-rzqihxkv] .name[data-astro-cid-rzqihxkv] .tag[data-astro-cid-rzqihxkv]{color:var(--text-muted);font-size:11px;font-weight:400;display:block}.exam-note[data-astro-cid-rzqihxkv] .lib[data-astro-cid-rzqihxkv] .body[data-astro-cid-rzqihxkv]{color:var(--text-main);flex:1}.exam-note[data-astro-cid-rzqihxkv] .lib[data-astro-cid-rzqihxkv] .body[data-astro-cid-rzqihxkv] .rel[data-astro-cid-rzqihxkv]{color:var(--text-muted);margin-top:3px;font-size:13px}.exam-note[data-astro-cid-rzqihxkv] .arrow[data-astro-cid-rzqihxkv]{color:var(--primary);font-weight:700}.exam-note[data-astro-cid-rzqihxkv] .tree[data-astro-cid-rzqihxkv]{font-size:14px}.exam-note[data-astro-cid-rzqihxkv] .tree[data-astro-cid-rzqihxkv] .lv1[data-astro-cid-rzqihxkv]{color:var(--primary);margin:8px 0 4px;padding-left:0;font-weight:700}.exam-note[data-astro-cid-rzqihxkv] .tree[data-astro-cid-rzqihxkv] .lv2[data-astro-cid-rzqihxkv]{padding-left:22px;position:relative}.exam-note[data-astro-cid-rzqihxkv] .tree[data-astro-cid-rzqihxkv] .lv2[data-astro-cid-rzqihxkv]:before{content:"├─";color:var(--border-dark);position:absolute;left:6px}.exam-note[data-astro-cid-rzqihxkv] .tree[data-astro-cid-rzqihxkv] .lv3[data-astro-cid-rzqihxkv]{color:var(--text-muted);padding-left:44px;position:relative}.exam-note[data-astro-cid-rzqihxkv] .tree[data-astro-cid-rzqihxkv] .lv3[data-astro-cid-rzqihxkv]:before{content:"└─";color:var(--border-dark);position:absolute;left:28px}.exam-note[data-astro-cid-rzqihxkv] .tree[data-astro-cid-rzqihxkv] .lv2[data-astro-cid-rzqihxkv].child:before{content:"└─"}.exam-note[data-astro-cid-rzqihxkv] .diagram[data-astro-cid-rzqihxkv]{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin:12px 0;padding:14px;overflow-x:auto}.exam-note[data-astro-cid-rzqihxkv] .diagram[data-astro-cid-rzqihxkv] svg[data-astro-cid-rzqihxkv]{max-width:100%;height:auto;margin:0 auto;display:block}.exam-note[data-astro-cid-rzqihxkv] .relnote[data-astro-cid-rzqihxkv]{color:var(--text-muted);text-align:center;margin-top:4px;font-size:12.5px}.exam-note[data-astro-cid-rzqihxkv] .relnote[data-astro-cid-rzqihxkv] a[data-astro-cid-rzqihxkv]{color:var(--primary)}.exam-note[data-astro-cid-rzqihxkv] .expand[data-astro-cid-rzqihxkv]{border:1px solid #e7c9b8;border-left:3px solid var(--primary);color:var(--text-main);background:#e85d040f;border-radius:10px;margin-top:10px;padding:12px 15px;font-size:13.5px}.exam-note[data-astro-cid-rzqihxkv] .expand[data-astro-cid-rzqihxkv] .et[data-astro-cid-rzqihxkv]{color:var(--primary);margin-bottom:5px;font-size:13px;font-weight:700}.exam-note[data-astro-cid-rzqihxkv] .expand[data-astro-cid-rzqihxkv] .back[data-astro-cid-rzqihxkv]{color:var(--primary);border:1px solid var(--border);background:var(--bg-paper);border-radius:8px;margin-top:8px;padding:2px 9px;font-size:12px;text-decoration:none;display:inline-block}.exam-note[data-astro-cid-rzqihxkv] .expand[data-astro-cid-rzqihxkv] .back[data-astro-cid-rzqihxkv]:hover{background:var(--primary-light)}.exam-note[data-astro-cid-rzqihxkv] details[data-astro-cid-rzqihxkv].orig{border-top:2px solid var(--border-dark);margin-top:40px;padding-top:18px}.exam-note[data-astro-cid-rzqihxkv] details[data-astro-cid-rzqihxkv].orig summary[data-astro-cid-rzqihxkv]{cursor:pointer;color:var(--text-muted);font-size:14px;font-weight:600;list-style:none}.exam-note[data-astro-cid-rzqihxkv] details[data-astro-cid-rzqihxkv].orig summary[data-astro-cid-rzqihxkv]::-webkit-details-marker{display:none}.exam-note[data-astro-cid-rzqihxkv] details[data-astro-cid-rzqihxkv].orig summary[data-astro-cid-rzqihxkv]:before{content:"▸ ";color:var(--text-muted)}.exam-note[data-astro-cid-rzqihxkv] details[data-astro-cid-rzqihxkv].orig[open] summary[data-astro-cid-rzqihxkv]:before{content:"▾ "}.exam-note[data-astro-cid-rzqihxkv] .origbox[data-astro-cid-rzqihxkv]{color:var(--text-muted);background:var(--bg-hover);border:1px solid var(--border);white-space:pre-wrap;border-radius:10px;margin-top:12px;padding:16px 18px;font-family:SFMono-Regular,Consolas,monospace;font-size:12.5px;line-height:1.7}.exam-note[data-astro-cid-rzqihxkv] .footer[data-astro-cid-rzqihxkv]{text-align:center;color:var(--text-muted);margin-top:40px;font-size:12px}.exam-note[data-astro-cid-rzqihxkv] .pill[data-astro-cid-rzqihxkv]{background:var(--bg-card);border:1px solid var(--border);color:var(--text-main);border-radius:20px;margin:5px;padding:5px 14px;font-size:13px;display:inline-block}.exam-note[data-astro-cid-rzqihxkv] .parttab[data-astro-cid-rzqihxkv]{justify-content:center;gap:10px;margin:10px 0 2px;display:flex}.exam-note[data-astro-cid-rzqihxkv] .parttab[data-astro-cid-rzqihxkv] a[data-astro-cid-rzqihxkv]{text-align:center;border:1px solid var(--border);border-radius:12px;flex:1;max-width:340px;padding:9px 0;font-size:14px;font-weight:700;text-decoration:none;transition:all .2s}.exam-note[data-astro-cid-rzqihxkv] .parttab[data-astro-cid-rzqihxkv] .t-theory[data-astro-cid-rzqihxkv]{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.exam-note[data-astro-cid-rzqihxkv] .parttab[data-astro-cid-rzqihxkv] .t-theory[data-astro-cid-rzqihxkv]:hover{background:#ffdcc0}.exam-note[data-astro-cid-rzqihxkv] .parttab[data-astro-cid-rzqihxkv] .t-prac[data-astro-cid-rzqihxkv]{color:#475569;background:#f1f5f9;border-color:#475569}.exam-note[data-astro-cid-rzqihxkv] .parttab[data-astro-cid-rzqihxkv] .t-prac[data-astro-cid-rzqihxkv]:hover{background:#e2e8f0}.exam-note[data-astro-cid-rzqihxkv] .partdivider[data-astro-cid-rzqihxkv]{border-radius:var(--radius);align-items:center;gap:14px;margin:14px 0 24px;padding:15px 20px;scroll-margin-top:90px;display:flex}.exam-note[data-astro-cid-rzqihxkv] .partdivider[data-astro-cid-rzqihxkv].theory{border-left:6px solid var(--primary);background:linear-gradient(90deg,#fbe9df,#fbf9f5)}.exam-note[data-astro-cid-rzqihxkv] .partdivider[data-astro-cid-rzqihxkv].prac{background:linear-gradient(90deg,#f1f5f9,#fbf9f5);border-left:6px solid #475569}.exam-note[data-astro-cid-rzqihxkv] .partdivider[data-astro-cid-rzqihxkv] .ptag[data-astro-cid-rzqihxkv]{color:#fff;white-space:nowrap;border-radius:20px;padding:4px 12px;font-size:12px;font-weight:700}.exam-note[data-astro-cid-rzqihxkv] .partdivider[data-astro-cid-rzqihxkv].theory .ptag[data-astro-cid-rzqihxkv]{background:var(--primary)}.exam-note[data-astro-cid-rzqihxkv] .partdivider[data-astro-cid-rzqihxkv].prac .ptag[data-astro-cid-rzqihxkv]{background:#475569}.exam-note[data-astro-cid-rzqihxkv] .partdivider[data-astro-cid-rzqihxkv] h2[data-astro-cid-rzqihxkv]{color:var(--text-main);margin:0;font-size:18px}.exam-note[data-astro-cid-rzqihxkv] .partdivider[data-astro-cid-rzqihxkv] .sub[data-astro-cid-rzqihxkv]{color:var(--text-muted);margin-top:3px;font-size:12.5px;line-height:1.5}.exam-note[data-astro-cid-rzqihxkv] section[data-astro-cid-rzqihxkv].prac>h2[data-astro-cid-rzqihxkv]{border-left-color:#475569}.exam-note[data-astro-cid-rzqihxkv] section[data-astro-cid-rzqihxkv].prac>.desc[data-astro-cid-rzqihxkv]{color:#475569}.exam-note[data-astro-cid-rzqihxkv] .code[data-astro-cid-rzqihxkv]{color:#3a2f25;border:1px solid var(--border);white-space:pre;background:#efe9dc;border-radius:10px;margin:8px 0;padding:14px 16px;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:13px;line-height:1.65;overflow-x:auto}.exam-note[data-astro-cid-rzqihxkv] .code[data-astro-cid-rzqihxkv] .cm[data-astro-cid-rzqihxkv]{color:#e85d04}.exam-note[data-astro-cid-rzqihxkv] .code[data-astro-cid-rzqihxkv] .kw[data-astro-cid-rzqihxkv]{color:#475569;font-weight:600}.exam-note[data-astro-cid-rzqihxkv] .code[data-astro-cid-rzqihxkv] .fn[data-astro-cid-rzqihxkv]{color:#475569;background:#47556921;border-radius:4px;padding:0 4px;font-weight:700}.exam-note[data-astro-cid-rzqihxkv] .flow[data-astro-cid-rzqihxkv]{flex-direction:column;align-items:center;max-width:440px;margin:10px auto 4px;display:flex}.exam-note[data-astro-cid-rzqihxkv] .flow[data-astro-cid-rzqihxkv] .step[data-astro-cid-rzqihxkv]{text-align:center;color:#475569;background:#f1f5f9;border:1px solid #475569;border-radius:10px;width:100%;padding:10px 14px;font-weight:600}.exam-note[data-astro-cid-rzqihxkv] .flow[data-astro-cid-rzqihxkv] .step[data-astro-cid-rzqihxkv] .num[data-astro-cid-rzqihxkv]{color:#fff;background:#475569;border-radius:50%;min-width:22px;height:22px;margin-right:8px;font-size:12px;font-weight:700;line-height:22px;display:inline-block}.exam-note[data-astro-cid-rzqihxkv] .flow[data-astro-cid-rzqihxkv] .arr[data-astro-cid-rzqihxkv]{color:#475569;margin:2px 0;font-size:18px;line-height:1.1}.exam-note[data-astro-cid-rzqihxkv] nav[data-astro-cid-rzqihxkv].toc{z-index:50;background:var(--bg-paper);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:28px;padding:12px 18px;position:sticky;top:0;box-shadow:0 3px 10px #2d2a260f}.exam-note[data-astro-cid-rzqihxkv] nav[data-astro-cid-rzqihxkv].toc h2[data-astro-cid-rzqihxkv]{color:var(--text-muted);letter-spacing:.5px;margin-bottom:8px;font-size:13px;font-weight:600}.exam-note[data-astro-cid-rzqihxkv] nav[data-astro-cid-rzqihxkv].toc ul[data-astro-cid-rzqihxkv]{flex-wrap:wrap;gap:6px 10px;list-style:none;display:flex}.exam-note[data-astro-cid-rzqihxkv] nav[data-astro-cid-rzqihxkv].toc a[data-astro-cid-rzqihxkv]{color:var(--primary);border:1px solid var(--border);background:var(--bg-card);border-radius:18px;padding:3px 11px;font-size:13px;text-decoration:none;transition:all .2s}.exam-note[data-astro-cid-rzqihxkv] nav[data-astro-cid-rzqihxkv].toc a[data-astro-cid-rzqihxkv]:hover{background:var(--primary-light);border-color:var(--primary)}@media (width>=769px) and (width<=1024px){.exam-note[data-astro-cid-rzqihxkv] section[data-astro-cid-rzqihxkv]{margin-bottom:30px}.exam-note[data-astro-cid-rzqihxkv] section[data-astro-cid-rzqihxkv]>h2[data-astro-cid-rzqihxkv]{font-size:19px}}@media (width<=768px){.exam-note[data-astro-cid-rzqihxkv]{font-size:14px}.exam-note[data-astro-cid-rzqihxkv] section[data-astro-cid-rzqihxkv]{margin-bottom:26px}.exam-note[data-astro-cid-rzqihxkv] section[data-astro-cid-rzqihxkv]>h2[data-astro-cid-rzqihxkv]{font-size:17px}.exam-note[data-astro-cid-rzqihxkv] section[data-astro-cid-rzqihxkv]>.desc[data-astro-cid-rzqihxkv]{font-size:12.5px}.exam-note[data-astro-cid-rzqihxkv] nav[data-astro-cid-rzqihxkv].toc{max-height:42vh;padding:10px 12px;top:0;overflow:auto}.exam-note[data-astro-cid-rzqihxkv] nav[data-astro-cid-rzqihxkv].toc ul[data-astro-cid-rzqihxkv]{gap:5px 6px}.exam-note[data-astro-cid-rzqihxkv] nav[data-astro-cid-rzqihxkv].toc a[data-astro-cid-rzqihxkv]{padding:2px 8px;font-size:11.5px}.exam-note[data-astro-cid-rzqihxkv] .block[data-astro-cid-rzqihxkv]{padding:13px}.exam-note[data-astro-cid-rzqihxkv] .lib[data-astro-cid-rzqihxkv] .row[data-astro-cid-rzqihxkv]{flex-direction:column;gap:4px}.exam-note[data-astro-cid-rzqihxkv] .lib[data-astro-cid-rzqihxkv] .name[data-astro-cid-rzqihxkv]{min-width:auto}.exam-note[data-astro-cid-rzqihxkv] .diagram[data-astro-cid-rzqihxkv]{padding:10px 6px}.exam-note[data-astro-cid-rzqihxkv] .expand[data-astro-cid-rzqihxkv]{font-size:13px}.exam-note[data-astro-cid-rzqihxkv] .pill[data-astro-cid-rzqihxkv]{padding:4px 10px;font-size:12px}}