:root{--navy:#102f4b;--blue:#1d78ad;--green:#129767;--green-dark:#08734d;--ink:#1b2d3b;--muted:#6c7d88;--line:#dce7ed;--soft:#f5f9fa;--bg:#edf3f6}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 "Microsoft YaHei",Arial,sans-serif}header{height:70px;display:flex;align-items:center;padding:0 max(5%,24px);background:linear-gradient(110deg,#112d45,#166185 60%,#148264);box-shadow:0 3px 16px #102d4540}.brand{display:flex;align-items:center;color:#fff;text-decoration:none;font-size:20px;font-weight:800;letter-spacing:.03em}.brand span:last-child{display:flex;flex-direction:column;line-height:1.05}.brand small{margin-top:5px;font-size:10px;font-weight:500;opacity:.7}.brand-mark{display:grid;place-items:center;width:30px;height:30px;margin-right:9px;border-radius:8px;background:#48d69e;color:#063d2a}.topnav{display:flex;gap:8px;margin-left:auto}.topnav a{padding:7px 11px;border-radius:6px;color:#e9f6fb;text-decoration:none;font-size:13px}.topnav a:hover{background:#ffffff22}main{max-width:1120px;margin:auto;padding:34px 22px 76px}.page-shell{min-height:510px;padding:34px;background:#fff;border:1px solid #d4e2e8;border-radius:16px;box-shadow:0 12px 34px #153d5315}h1{margin:0 0 13px;color:var(--navy);font-size:30px;line-height:1.25;letter-spacing:-.02em}h2{margin:30px 0 14px;padding-bottom:9px;border-bottom:1px solid #e7eef2;color:#235b78;font-size:20px}h3{margin:0 0 9px;color:#1e536f}p{margin:10px 0}.eyebrow{margin:0;color:var(--green-dark)!important;font-size:11px!important;font-weight:800;letter-spacing:.16em}.hero{padding:8px 0 26px;border-bottom:1px solid var(--line)}.hero h1{margin:5px 0 7px;font-size:38px}.hero p:not(.eyebrow),.page-heading p:not(.eyebrow),.subject-hero p:not(.eyebrow){color:var(--muted)}.home-section{padding-top:23px}.section-title{display:flex;justify-content:space-between;align-items:end}.section-title h2{margin:4px 0 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var(--green);border-radius:11px}.subject-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:20px}.feature-action{display:flex;align-items:flex-end;min-height:118px;padding:24px;border-radius:12px;background:linear-gradient(135deg,#1b75ad,#118a68);color:#fff;text-decoration:none;font-size:18px;font-weight:800;box-shadow:0 8px 18px #18724a27}.history-action{background:linear-gradient(135deg,#607b8c,#3c566d)}.page-heading{padding-bottom:17px;border-bottom:1px solid var(--line);margin-bottom:20px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.button,button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 17px;border:0;border-radius:7px;background:var(--green);color:#fff;text-decoration:none;cursor:pointer;font:inherit;font-weight:750;white-space:nowrap;box-shadow:0 3px 8px #12976735;transition:.16s}.button:hover,button:hover{background:var(--green-dark);transform:translateY(-1px)}.secondary{background:#647887;box-shadow:none}.danger{background:#c0454b!important}.form-card,.copy-panel{padding:21px;background:var(--soft);border:1px solid var(--line);border-radius:11px}.copy-panel{margin:22px 0;background:linear-gradient(130deg,#e8f9ef,#f9fffc);border-color:#a7ddbd}.field-label{display:block;margin-bottom:8px;color:#285873;font-weight:800}.form-actions{display:flex;gap:10px;margin:17px 0 0;padding-top:15px;border-top:1px solid var(--line)}textarea,input[type=text],input[type=number],select{width:100%;border:1px solid #bfd0da;border-radius:7px;background:#fff;color:var(--ink);font:14px/1.55 Consolas,"Microsoft YaHei",sans-serif}textarea{min-height:130px;padding:12px;resize:vertical}input[type=text],input[type=number],select{height:43px;padding:9px 11px;font-family:inherit}textarea:focus,input:focus,select:focus{outline:0;border-color:#2388bd;box-shadow:0 0 0 3px #2388bd1c}.form-card textarea{min-height:370px}.hint{color:var(--muted);font-size:13px}pre{padding:14px;border-left:5px solid #51a5c8;border-radius:5px;background:#edf5f8;white-space:pre-wrap}.success,.error{padding:14px 17px;border-radius:8px}.success{color:#08643b;background:#e0f8e9;border:1px solid #9fddb8}.error{color:#8b2424;background:#fff0f0;border:1px solid #efb5b5}.error ul{margin:0;padding-left:21px}table{width:100%;border:1px solid var(--line);border-collapse:separate;border-spacing:0;border-radius:9px;overflow:hidden;background:#fff}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left}th{background:#e8f5ee;color:#155c43;font-size:13px}tr:last-child td{border-bottom:0}td:last-child{white-space:nowrap}table a{margin-right:9px;color:#1471a4;font-weight:700}.question,.duplicate{margin:18px 0;padding:22px;border:1px solid var(--line);border-left:5px solid #2d8dbd;border-radius:10px;background:#fff;box-shadow:0 4px 13px 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.disabled-action{display:inline-block;margin-right:9px;padding:6px 10px;border-radius:5px;background:#e5eaed;color:#8a989f;font-size:13px;font-weight:700;cursor:not-allowed}.result-toolbar .button,.result-toolbar button{min-width:150px}
.return-subject{margin-left:auto}.result-toolbar{align-items:center}