:root{--blue:#1764ff;--ink:#17233a;--muted:#667992;--line:#e2eaf4;--bg:#f7faff;--soft:#edf4ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea{outline-offset:3px}button:focus-visible,a:focus-visible,input:focus,select:focus,textarea:focus{outline:2px solid #83acff}button{cursor:pointer;min-height:38px;padding:7px 14px;border:1px solid var(--line);border-radius:7px;background:white;white-space:nowrap}button:hover{background:var(--soft)}button.primary{background:var(--blue);border-color:var(--blue);color:white}button.danger{color:#b42318}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{min-width:0;max-width:100%;min-height:40px;padding:8px 11px;background:white;border:1px solid #d9e3ef;border-radius:7px}textarea{min-height:80px;resize:vertical}a{color:var(--blue);text-decoration:none}header{min-height:64px;padding:12px max(24px,calc((100% - 1240px)/2));display:flex;gap:18px;align-items:center;background:white;border-bottom:1px solid var(--line)}.brand{font-size:22px;font-weight:750;letter-spacing:-.4px;white-space:nowrap}.brand b{color:var(--blue)}.header-title{font-size:14px;color:var(--muted);border-left:1px solid var(--line);padding-left:18px}.spacer{flex:1}.small{font-size:12px;color:var(--muted)}.demo{max-width:1240px;margin:16px auto 0;padding:0 0 12px;color:var(--muted);font-size:12px}.demo strong{color:#46617f}nav{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:0 0 12px;margin-bottom:25px}nav button{border:0;background:transparent;color:#52647b;padding:8px 15px}nav button[aria-current=page]{background:var(--soft);color:var(--blue);font-weight:600}main{max-width:1240px;margin:0 auto 48px}h1{font-size:25px;line-height:1.4;margin:0 0 6px;letter-spacing:-.5px}h2{font-size:18px;line-height:1.5;margin:0 0 9px}h3{font-size:15px;margin:0 0 10px}p{margin:0 0 14px}p.muted,.muted{color:var(--muted)}.heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:23px}.heading p{margin:0;color:var(--muted)}.buttons{display:flex;gap:10px;flex-wrap:wrap}.panel{background:white;border:1px solid var(--line);border-radius:10px;overflow:hidden}.toolbar{padding:18px 20px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;border-bottom:1px solid var(--line)}.toolbar input{width:270px}.count{font-size:12px;color:var(--muted);margin-left:auto}table{border-collapse:collapse;width:100%;table-layout:auto}th,td{text-align:left;padding:14px 18px;border-bottom:1px solid #edf1f6;font-size:13px;vertical-align:middle}th{font-weight:500;color:#697d94;background:#fbfcfe;font-size:12px}tr:last-child td{border-bottom:0}td .small{display:block;font-size:11px;margin-top:3px}td button{font-size:12px;min-height:32px;padding:4px 10px}td.actions{white-space:nowrap}td.actions button+button{margin-left:5px}.tag{font-size:11px;padding:3px 8px;border-radius:5px;background:#f0f4f8;color:#5a6c81;display:inline-block;white-space:nowrap}.tag.active,.tag.已兑换,.tag.已验证{background:#e8f7f0;color:#137253}.tag.suspended,.tag.已作废,.tag.blocked,.tag.已封禁{background:#fff0ee;color:#b42318}.tag.待激活{background:var(--soft);color:var(--blue)}.foot{padding:15px 20px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:7px;font-size:13px;margin-bottom:16px}.field input,.field select,.field textarea{width:100%}.full{grid-column:1/-1}.hint{font-size:12px;line-height:1.7;color:var(--muted);margin:10px 0}.mono{font-family:Consolas,monospace;font-size:12px;overflow-wrap:anywhere}.section{padding:24px}.section+.section{border-top:1px solid var(--line)}dl{display:grid;grid-template-columns:145px 1fr;gap:12px;margin:15px 0 0}dt{color:var(--muted)}dd{margin:0;overflow-wrap:anywhere}.empty{padding:60px 20px;text-align:center;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:12px;padding:25px;width:min(570px,calc(100% - 32px));max-height:calc(100dvh - 36px);overflow:auto;color:var(--ink)}dialog::backdrop{background:#14243e55}dialog h2{padding-right:36px}dialog .close{position:absolute;right:15px;top:13px;border:0;background:transparent;font-size:22px;min-width:38px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.alert{background:#f6f9ff;border:1px solid var(--line);padding:12px;border-radius:7px;color:#536b88;font-size:12px;margin:12px 0}.error{color:#b42318;font-size:13px;min-height:22px;margin-top:10px}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);padding:11px 18px;background:#172b49;color:white;border-radius:8px;z-index:10;max-width:calc(100% - 32px);font-size:13px;box-shadow:0 4px 20px #14243e20}#toast[hidden]{display:none}.desktop-wrap{max-width:670px;margin:20px auto}.status-line{display:flex;gap:10px;align-items:center;margin-bottom:14px}.desktop-wrap .panel{padding:28px}.desktop-wrap h1{font-size:24px}.policy-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.no-wrap{white-space:nowrap}
@media(max-width:1288px){main,.demo{margin-left:24px;margin-right:24px}}@media(max-width:760px){header{padding:13px 16px;gap:10px;flex-wrap:wrap}.brand{font-size:20px}.header-title{padding-left:10px;font-size:12px}.header-status{display:none}header button{font-size:12px;padding:6px 10px}main,.demo{margin-left:16px;margin-right:16px}.demo{margin-top:12px}nav{gap:3px;margin-bottom:22px}nav button{font-size:12px;padding:6px 10px;min-height:36px}h1{font-size:23px}.heading{align-items:flex-start;flex-direction:column;gap:16px}.heading p{font-size:13px}.toolbar{padding:16px;align-items:stretch}.toolbar input,.toolbar select{width:100%}.count{margin:0}table,tbody,tr,td{display:block;width:100%}thead{display:none}tr{padding:14px 16px;border-bottom:1px solid var(--line)}td{padding:5px 0;border:0;display:grid;grid-template-columns:92px minmax(0,1fr);gap:8px;overflow-wrap:anywhere}td:before{content:attr(data-label);font-size:12px;color:var(--muted)}td.actions{display:flex;flex-wrap:wrap;white-space:normal;margin-top:7px}.actions:before{display:none}td.actions button+button{margin-left:0}.section{padding:20px}.form-grid,.policy-grid{grid-template-columns:1fr;gap:0}dl{grid-template-columns:95px minmax(0,1fr);font-size:13px;gap:10px}.desktop-wrap .panel{padding:21px}.buttons{width:100%}.buttons button{flex:1}.foot{padding:14px 16px}dialog{padding:22px}.modal-actions button{flex:1}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

[hidden]{display:none!important}.login{max-width:450px;margin:70px auto}.login .section{padding:28px}.notice{padding:12px 0;color:var(--muted);font-size:12px}.pager{display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:15px 20px;border-top:1px solid var(--line)}.field small{color:var(--muted)}.error:empty{display:none}.field input[type=checkbox]{width:auto;min-height:auto}.feature-row{display:flex;gap:15px;flex-wrap:wrap}.feature-row label{display:flex;gap:5px;align-items:center}.wrap{overflow-wrap:anywhere}.tag.expired{background:#fff5dc;color:#79500d}@media(max-width:600px){.login{margin:30px 16px}header .buttons{gap:5px}header .buttons button{font-size:12px;padding:5px 8px}.brand{font-size:19px}.header-title{display:none}.pager{justify-content:center}}
.tag.issued{background:var(--soft);color:var(--blue)}.tag.redeemed{background:#e8f7f0;color:#137253}.tag.void,.tag.revoked,.tag.customer_blocked{background:#fff0ee;color:#b42318}

.tag.code_expired{background:#fff5dc;color:#79500d}