:root{color-scheme:light;--ink:#202437;--muted:#73788c;--purple:#6e49e8;--line:#e9eaf3;--bg:#f5f6fb;--green:#13845b}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 0,#eee8ff 0,transparent 55%),var(--bg);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink)}a{color:var(--purple);text-decoration:none}button,input,textarea{font:inherit}button{background:var(--purple);color:white;border:0;border-radius:10px;padding:12px 22px;font-weight:600;cursor:pointer}button:hover{filter:brightness(.96)}button:disabled{opacity:.6;cursor:wait}button:focus-visible,a:focus-visible{outline:3px solid #bba6ff;outline-offset:3px}input,textarea{width:100%;background:#fff;border:1px solid #dce0ed;border-radius:10px;padding:12px 14px;color:var(--ink);outline:none}input:focus,textarea:focus{border-color:#9272fa;box-shadow:0 0 0 3px #eee8ff}textarea{resize:vertical}label{display:block;font-weight:600;margin:14px 0 7px}label input,label textarea{margin-top:7px;font-weight:400}form>button{margin-top:18px}h1,h2,p{margin-top:0}h1{font-size:32px;letter-spacing:-1px;line-height:1.3;margin-bottom:12px}h2{font-size:18px;margin-bottom:14px}.muted{color:var(--muted)}.small{font-size:13px}.mono{font-family:ui-monospace,Consolas,monospace}.front-shell{max-width:760px;margin:0 auto;padding:56px 24px}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:17px}.brand-icon{display:inline-grid;place-items:center;background:var(--purple);color:#fff;width:36px;height:36px;border-radius:11px;font-size:23px}.front-shell>.brand{margin-bottom:28px}.card{border:1px solid var(--line);background:white;border-radius:18px;padding:28px;box-shadow:0 12px 40px #33216d06}.hero{padding:36px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--purple);margin-bottom:13px}.hero>.muted{margin-bottom:25px}.input-row{display:flex;gap:10px}.input-row input{min-width:0}.input-row button{white-space:nowrap}.status{font-size:13px;color:var(--muted);margin:16px 0 0;min-height:22px}.error-text{color:#bc3e45}.success-text{color:var(--green)}.result{margin-top:26px;padding:25px;border-radius:14px;background:#faf8ff;border:1px solid #e7dcff;text-align:center}.result-top{display:flex;justify-content:space-between;align-items:center;color:#6b6181;font-size:13px}.badge{display:inline-block;color:var(--green);background:#ebf8f1;border-radius:20px;padding:4px 11px;font-size:12px;font-weight:600;white-space:nowrap}.badge.off{color:#ad6e1d;background:#fff4e2}.code{font:700 44px/1.4 ui-monospace,Consolas,monospace;letter-spacing:10px;padding:20px 0 13px;color:#6642d1}.secondary{background:#eee8ff;color:#6343cb}.receipt{display:grid;grid-template-columns:1fr 1.8fr;text-align:left;gap:8px;font-size:13px;margin:22px 0 12px;border-top:1px solid #e8e1f6;padding-top:18px}.receipt dt{color:var(--muted)}.receipt dd{margin:0;font-weight:600}.result .small{margin-bottom:0;text-align:left}.support{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:24px 6px}.support strong{font-size:14px}.support p{font-size:12px;color:var(--muted);margin:5px 0 0}.qq-link{font-weight:700;font-size:14px;white-space:nowrap;background:#ece7fa;border-radius:9px;padding:10px 14px}footer{text-align:center;color:#969aab;font-size:12px;margin-top:25px}.admin-shell{max-width:1200px;margin:0 auto;padding:30px 24px 50px}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.admin-header nav{display:flex;align-items:center;gap:18px;font-size:14px}.admin-header nav form{margin:0}.link-button{background:none;color:var(--muted);padding:0;font-size:14px;margin:0}.login-card{max-width:460px;margin:60px auto}.login-card form>button{width:100%}.login-card h1{font-size:27px}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:24px}.dashboard-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.dashboard-title h1{font-size:29px}.format{font:12px/1.8 ui-monospace,Consolas,monospace;color:#666b80;background:#f5f6fa;padding:12px;border-radius:8px;overflow-wrap:anywhere}.notice{border-radius:10px;padding:12px 18px;margin-bottom:20px}.notice.error{background:#fff0f1;color:#aa3a42}.notice.success{background:#edf9f2;color:#187750}.table-card{margin-bottom:24px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;white-space:nowrap}th,td{text-align:left;border-bottom:1px solid var(--line);padding:13px 10px}th{font-size:12px;color:var(--muted);font-weight:500;background:#fafaff}.row-actions{display:flex;gap:8px}.small-button{font-size:12px;padding:6px 11px;margin:0}.danger{background:#fff0f1;color:#b3474f}.empty{text-align:center;color:var(--muted);padding:30px}.pagination{display:flex;justify-content:center;gap:20px;padding-top:20px;font-size:13px}[hidden]{display:none!important}@media(max-width:700px){.front-shell{padding:28px 16px}.hero{padding:25px 20px}h1{font-size:26px}.input-row{flex-direction:column}.input-row button{width:100%}.support{align-items:flex-start;flex-direction:column;gap:12px}.receipt{grid-template-columns:1fr}.receipt dd{margin-bottom:5px}.code{font-size:36px;letter-spacing:8px}.admin-shell{padding:20px 14px}.admin-grid{grid-template-columns:1fr}.card{padding:22px 18px}.dashboard-title{align-items:flex-start;flex-direction:column;gap:12px}.admin-header nav{gap:10px;font-size:12px}.brand{font-size:15px}.login-card{margin-top:35px}}