:root{--ink:#18372f;--muted:#62736d;--line:#d8e2dc;--green:#21634d;--paper:#fff;--bg:#f2f5f0;--gold:#c99444;font-family:system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}*{box-sizing:border-box}body{margin:0}a{color:var(--green);text-underline-offset:4px}header{background:#fff;border-bottom:1px solid var(--line);padding:20px max(5vw,20px);display:flex;justify-content:space-between;gap:16px;align-items:center}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}.brand strong{display:block;font-size:19px}.brand small{font-size:10px;letter-spacing:2px;color:var(--muted)}.subtle{color:var(--muted);font-size:14px}.wrap{max-width:1100px;margin:38px auto;padding:0 22px}.intro{display:grid;grid-template-columns:.85fr 1.4fr;gap:52px;align-items:start}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:12px;color:var(--green);font-weight:700}h1{font-size:clamp(28px,4vw,39px);line-height:1.35;margin:16px 0 20px;letter-spacing:-1px}h2{font-size:22px;margin:0 0 18px}h3{font-size:17px}.lede{color:var(--muted);max-width:400px}.notice{background:#f9f1df;color:#705027;border:1px solid #e8d7ac;border-radius:10px;padding:14px 17px;font-size:14px;margin:22px 0}.steps{list-style:none;padding:0;counter-reset:steps;margin:35px 0}.steps li{counter-increment:steps;display:flex;gap:12px;margin:20px 0;align-items:center;font-size:14px}.steps li:before{content:counter(steps,decimal-leading-zero);font-size:12px;border:1px solid var(--line);border-radius:50%;width:30px;height:30px;display:grid;place-items:center;color:var(--green)}.card{background:var(--paper);padding:30px;border:1px solid var(--line);border-radius:16px;box-shadow:0 10px 30px #18372f06}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.field{display:block;font-size:14px;font-weight:600;margin-bottom:18px}.field input,.field select,.field textarea{display:block;margin-top:8px;width:100%;font:inherit;font-weight:400;border:1px solid #cbd7d0;border-radius:8px;padding:11px 12px;background:white;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:3px solid #b9d9c9;outline-offset:1px}button{font:inherit;font-weight:600;cursor:pointer;background:var(--green);color:white;border:1px solid var(--green);border-radius:8px;padding:11px 22px}button:disabled{opacity:.5;cursor:wait}.secondary{background:white;color:var(--green)}.full{width:100%}.check{display:flex;gap:10px;font-size:13px;font-weight:400;align-items:flex-start;margin:15px 0}.check input{margin-top:6px;flex:none;accent-color:var(--green)}.error{color:#a63232;font-size:14px;white-space:pre-wrap}.status{color:var(--green);font-size:14px;min-height:24px}footer{max-width:1100px;margin:36px auto;padding:20px 22px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:20px}.hidden,[hidden]{display:none!important}.exam-layout{display:grid;grid-template-columns:1fr 260px;gap:24px}.exam-main{min-width:0}.exam-bar{position:sticky;top:0;background:var(--bg);padding:12px 0;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:15px}.question{margin:18px 0;padding:22px;border:1px solid var(--line);border-radius:10px;background:#fff}.question p{white-space:pre-wrap}.option{display:flex;gap:12px;border:1px solid var(--line);border-radius:8px;padding:12px;margin-top:10px;cursor:pointer}.option:has(input:checked){background:#eaf4ed;border-color:var(--green)}textarea{font:inherit;width:100%;min-height:130px;padding:14px;border:1px solid var(--line);border-radius:8px;resize:vertical}.source{white-space:pre-wrap;font-family:Georgia,'Songti SC',serif;line-height:1.85;font-size:16px}.source p{margin:0 0 12px}.source summary{cursor:pointer;color:var(--green);font-family:system-ui;font-weight:600}.side{align-self:start;position:sticky;top:95px}.qnav{display:flex;flex-wrap:wrap;gap:7px}.qnav a{border:1px solid var(--line);padding:4px 9px;border-radius:5px;text-decoration:none;font-size:12px}.qnav a.done{background:#dcefe3}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}.toolbar button[aria-selected=true]{background:var(--green);color:#fff}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px;text-align:left}th,td{padding:14px 12px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-weight:500}.badge{font-size:12px;border-radius:20px;padding:4px 10px;background:#eaf3ec;color:var(--green)}.login{max-width:450px;margin:70px auto}.editor{font-family:ui-monospace,monospace;font-size:13px;min-height:390px}.stats{display:flex;gap:22px;flex-wrap:wrap;margin:18px 0}.stat{background:#edf5ef;padding:15px 22px;border-radius:10px}.stat strong{font-size:24px;display:block}.score-input{width:90px;font:inherit;padding:8px;border:1px solid var(--line);border-radius:6px}.answer{white-space:pre-wrap;overflow-wrap:anywhere;background:#f4f7f2;padding:14px;border-radius:8px}.help{font-size:13px;color:var(--muted)}.section-title{margin-top:35px;padding-bottom:10px;border-bottom:2px solid var(--green)}.mono{font-family:monospace}.print-only{display:none}@media(max-width:760px){.intro,.exam-layout{grid-template-columns:1fr;gap:24px}.steps{display:none}.wrap{margin:24px auto;padding:0 16px}.grid{grid-template-columns:1fr;gap:0}.card{padding:22px}.side{position:static;grid-row:1}.brand small{letter-spacing:1px}.brand strong{font-size:16px}header{padding:16px}.lede{max-width:none}footer{flex-direction:column;gap:4px}.exam-bar{font-size:13px}h1{font-size:29px}.login{margin:35px 16px}.toolbar button{padding:9px 12px}}@media print{header,footer,.toolbar,button,.no-print{display:none!important}.wrap{max-width:none;margin:0;padding:0}.card{border:0;box-shadow:none;padding:0}.question{break-inside:avoid}.print-only{display:block}}
.math-question-image{display:block;width:100%;height:auto;margin:16px 0;border:1px solid var(--line)}#paper-questions summary{cursor:pointer;font-weight:600;white-space:pre-wrap}#paper-questions details[open]>summary{margin-bottom:20px}#paper-questions .grid select{display:block;width:100%;margin-top:8px;padding:11px;border:1px solid var(--line);border-radius:8px;font:inherit}#paper-document-preview{max-height:320px;overflow:auto;margin:18px 0}#paper-audio-summary{margin:18px 0}

.bank-source{display:block;margin-top:.6rem;font-weight:400;color:#526c63;line-height:1.6}.bank-preview{display:block;width:100%;height:auto;margin:1rem 0;border:1px solid #d3dfd8}.reading-passage{white-space:pre-wrap}#bank-categories [aria-selected=true]{background:#21654f;color:white}#paper-library-editor{margin-top:2rem}

audio[controls]{display:block;width:min(100%,32rem);margin:1rem 0}