:root{font-family:Arial,"Microsoft YaHei",sans-serif;color:#172237;background:#f4f7fc;font-synthesis:none;--blue:#1677ff;--muted:#6a7890;--line:#dbe3ef}*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}header{height:82px;padding:0 6%;display:flex;justify-content:space-between;align-items:center;background:#fff;border-bottom:1px solid var(--line)}.brand{font-size:27px;font-weight:800;letter-spacing:-1px}.brand span{font-size:13px;font-weight:400;color:var(--muted);margin-left:16px;letter-spacing:0}nav{display:flex;align-items:center;gap:20px;font-size:14px}main{max-width:1180px;margin:64px auto;padding:0 24px}.access{display:grid;grid-template-columns:1fr 450px;min-height:570px;background:white;border-radius:24px;overflow:hidden;box-shadow:0 20px 70px #2844750d}.intro{background:#e9f1ff;padding:64px 48px;position:relative;overflow:hidden}.eyebrow{font:600 12px/1.5 Arial;letter-spacing:3px;color:#47668e}.intro h1{font-size:42px;letter-spacing:-2px;line-height:1.4;margin:28px 0 16px}.intro p{color:#536784;line-height:1.9}.canvas-art{position:relative;width:245px;height:164px;background:white;border:1px solid #bed4f5;transform:rotate(-7deg);margin:52px 0 0 35px;border-radius:5px;box-shadow:16px 18px 0 #ccdfff}.canvas-art:before{content:'闪图';position:absolute;inset:36px 26px;color:#1677ff;border:1px dashed #6aabff;display:grid;place-items:center;font-size:42px;font-weight:bold}.canvas-art:after{content:'✦';position:absolute;right:-16px;bottom:3px;font-size:58px;color:#1677ff}.form-panel{padding:44px 42px}.tabs{display:flex;gap:26px;border-bottom:1px solid var(--line);margin-bottom:28px}.tabs button{border:0;background:none;color:var(--muted);padding:10px 0 15px}.tabs .active{color:var(--blue);border-bottom:3px solid var(--blue)}h2{font-size:27px;letter-spacing:-.7px;margin:8px 0 12px}.sub{color:var(--muted);font-size:14px;line-height:1.8;margin:0 0 26px}label{display:block;font-size:14px;font-weight:600;margin:19px 0 8px}input,select,textarea{width:100%;min-width:0;border:1px solid #cdd7e5;border-radius:9px;background:#fff;padding:13px;color:#172237}input:focus,select:focus,textarea:focus{outline:2px solid #81b7ff;border-color:#1677ff}.password{position:relative}.password input{padding-right:64px}.password button{position:absolute;right:8px;top:8px;background:none;border:0;color:#637894;padding:7px}.primary{background:var(--blue);border:0;border-radius:9px;color:white;padding:14px 20px;font-weight:600}.wide{width:100%;margin-top:24px}.quiet{border:1px solid var(--line);background:white;color:#435a7a;border-radius:8px;padding:9px 14px}.feedback{font-size:14px;line-height:1.65;min-height:24px;margin-top:14px;color:#bd2c39;overflow-wrap:anywhere}.feedback.success{color:#188048}.hint{font-size:12px;color:var(--muted);line-height:1.8}.activation{max-width:540px;margin:0 auto;background:white;padding:38px;border-radius:22px;border:1px solid var(--line)}.badge{display:inline-block;background:#edf4ff;color:#176edb;padding:6px 10px;border-radius:20px;font-size:12px;margin-bottom:18px}.validity{margin:24px 0;padding:18px;background:#f4f7fc;border-radius:12px;line-height:1.8}.validity strong{display:block;font-size:23px}.admin-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.admin-head p{margin:8px 0;color:var(--muted)}.generator{background:white;border:1px solid var(--line);border-radius:16px;padding:28px;margin-bottom:25px}.generator form{display:grid;grid-template-columns:2fr 1fr auto;align-items:end;gap:20px}.generator label{margin-top:0}.generator textarea{height:110px;font-family:Consolas,monospace;margin:16px 0 12px}.table-wrap{overflow:auto;background:white;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:16px;border-bottom:1px solid #e6ecf4;white-space:nowrap}th{background:#edf3fc;color:#526681;font-weight:500}code{font:12px Consolas,monospace}.empty{padding:40px;text-align:center;color:var(--muted)}[hidden]{display:none!important}@media(max-width:800px){header{height:68px;padding:0 20px}.brand span{display:none}main{margin:28px auto;padding:0 16px}.access{grid-template-columns:1fr;max-width:500px;margin:auto}.intro{padding:26px 30px}.intro h1{font-size:29px;margin:12px 0}.intro p,.canvas-art,.eyebrow{display:none}.form-panel{padding:28px}.activation{padding:26px}.generator form{grid-template-columns:1fr}.generator{padding:22px}.admin-head{align-items:flex-start}nav{gap:12px;font-size:12px}}
:where(.user-dialog){border:1px solid #dbe3ef;border-radius:18px;padding:28px;width:min(480px,calc(100vw - 32px));color:#172237}.user-dialog::backdrop{background:#17223770}