:root{--ink:#122039;--muted:#62728a;--line:#dce5eb;--wash:#f3f7f7;--paper:#fff;--green:#087b64;--navy:#0b2138;--gold:#d3982d;--red:#bd4050;font-family:Inter,"Microsoft YaHei",Arial,sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--wash);color:var(--ink)}button,input,textarea{font:inherit}.hidden{display:none!important}.testbar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(18px,4vw,64px);border-bottom:1px solid var(--line);background:#fff}.brand{display:flex;align-items:center;gap:9px;color:var(--navy);text-decoration:none}.brand span{width:34px;height:34px;display:grid;place-items:center;border-radius:7px;background:var(--gold);color:#fff;font-weight:900}.testbar-note{color:var(--green);font-size:12px;font-weight:900;letter-spacing:1px}.exit{color:var(--muted);font-size:13px;font-weight:800;text-decoration:none}main{width:min(1160px,calc(100% - 32px));margin:0 auto;padding:46px 0}.panel{border:1px solid 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