:root{--ink:#173c35;--muted:#60756d;--green:#185c4c;--light:#eaf2ed;--paper:#f5f4ed;--line:#d9e2dc;--gold:#a77b36;--white:#fff;--error:#ad342f}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;font-size:17px;line-height:1.75}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{outline-offset:4px}button{cursor:pointer;border:1px solid var(--line);background:white;color:var(--ink);border-radius:8px;padding:10px 20px;font-weight:600}button:hover{border-color:var(--green);background:var(--light)}button:disabled{opacity:.55;cursor:wait}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#104638;color:white}.danger{color:var(--error)}a{color:var(--green)}input,select,textarea{width:100%;border:1px solid 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/* 题目 → 默认折叠用途说明 → 选项，便于先理解再填写。 */
.question-guidance{clear:both;margin:0 0 18px;padding:12px 16px;background:#f0f5f1;border-left:3px solid #9bb8a8;border-radius:0 8px 8px 0;font-size:15px;line-height:1.8;color:#466257}.guidance-label{display:list-item;cursor:pointer;font-size:13px;font-weight:650;color:#185c4c;margin-bottom:3px}.question-guidance p{margin:10px 0 0}