html{color-scheme:light;background:#f5f7fb}body{margin:0;padding:24px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}#ai-duo-redemption{max-width:1260px;margin:auto}button,summary,select{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid #91b0f4;outline-offset:3px}#ai-duo-redemption .duo-site{box-shadow:0 6px 30px #18243a06}#ai-duo-redemption .duo-preview-label{font-size:13px;font-weight:600;color:#3973e8}#ai-duo-redemption .duo-export-controls{background:#fff;border:1px solid #dce5f5;border-radius:14px;padding:16px;gap:12px}#ai-duo-redemption .preview-controls-top{width:100%;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}#ai-duo-redemption .preview-controls-top strong{color:var(--duo-blue);font-size:14px}#ai-duo-redemption .preview-controls-top p{font-size:12px;margin-top:3px}#ai-duo-redemption .preview-badge{background:var(--duo-soft);color:var(--duo-blue);padding:4px 10px;border-radius:99px;align-self:flex-start;font-size:11px}#ai-duo-redemption .preview-control{display:flex;gap:8px;align-items:center;flex-wrap:wrap}#ai-duo-redemption .preview-control select{min-width:125px}#ai-duo-redemption .preview-samples{width:100%;border-top:1px solid var(--duo-line);padding-top:8px}#ai-duo-redemption .preview-samples summary{min-height:34px;color:var(--duo-blue)}#ai-duo-redemption .preview-samples pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f5f7fb;border-radius:8px;padding:12px;font:11px/1.7 ui-monospace,monospace;margin:8px 0}#ai-duo-redemption .preview-notice{width:100%;color:var(--duo-orange);font-size:12px}#ai-duo-redemption .duo-session-note{font-size:11px;color:var(--duo-muted);margin-top:6px}#ai-duo-redemption .duo-header .duo-link{font-size:13px}#ai-duo-redemption .duo-guide-heading::after{content:"⌄";margin-left:auto;color:var(--duo-muted)}#ai-duo-redemption .duo-guide[open] .duo-guide-heading::after{content:"⌃"}#ai-duo-redemption .duo-confirm-summary{padding-top:0;border:0}#ai-duo-redemption .duo-status-icon svg{width:24px;height:24px}#ai-duo-redemption i[data-lucide]{display:inline-flex}#ai-duo-redemption .duo-logo svg{width:17px;height:17px}#ai-duo-redemption .duo-guide-icon svg{width:18px;height:18px}#ai-duo-redemption .duo-mini-faq svg{width:16px;height:16px}#ai-duo-redemption .duo-button:hover:not(:disabled){filter:brightness(.97)}#ai-duo-redemption .duo-receipt-row [data-receipt-id]{font-family:ui-monospace,monospace}#ai-duo-redemption .preview-query-note{font-size:11px;color:var(--duo-muted)}#ai-duo-redemption .duo-note{overflow-wrap:anywhere}#ai-duo-redemption .duo-steps{display:flex}#ai-duo-redemption .duo-guide{position:sticky;top:20px}#ai-duo-redemption .duo-account-nav{margin-left:auto}
@media(max-width:700px){body{padding:12px}#ai-duo-redemption .duo-header{padding:12px;gap:6px}#ai-duo-redemption .duo-main{padding:19px 12px}#ai-duo-redemption .duo-panel{padding:16px}#ai-duo-redemption .duo-export-controls{padding:13px;gap:10px}#ai-duo-redemption .preview-control{width:100%}#ai-duo-redemption .preview-control label{min-width:78px}#ai-duo-redemption .preview-control select{flex:1;min-height:44px}#ai-duo-redemption .preview-controls-top p{line-height:1.8}#ai-duo-redemption .duo-guide{position:static}#ai-duo-redemption .duo-form-stage{padding:12px}#ai-duo-redemption .duo-nav .duo-link{font-size:12px;padding:6px 8px}#ai-duo-redemption .duo-site{border-radius:14px}#ai-duo-redemption .duo-actions>*{flex:1 1 100%}#ai-duo-redemption .duo-result-title{font-size:19px}#ai-duo-redemption .duo-receipt-row{gap:10px}#ai-duo-redemption .duo-submit-area{padding:13px}}
#ai-duo-redemption{--duo-bg:light-dark(#f5f7fb,#111827);--duo-surface:light-dark(#ffffff,#1c2535);--duo-text:light-dark(#18243a,#edf2fc);--duo-muted:light-dark(#65738a,#b1bed2);--duo-line:light-dark(#e5eaf2,#354159);--duo-blue:light-dark(#3973e8,#80a7ff);--duo-soft:light-dark(#edf3ff,#253859);--duo-green:light-dark(#167751,#79dbb2);--duo-green-soft:light-dark(#edf9f2,#1d3b32);--duo-orange:light-dark(#94611a,#f4c57c);--duo-orange-soft:light-dark(#fff7e9,#413726);--duo-red:light-dark(#b43d49,#ffb4ba);--duo-red-soft:light-dark(#fff1f2,#42292f);color:var(--duo-text);font:14px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;}
#ai-duo-redemption *{box-sizing:border-box;}
#ai-duo-redemption [hidden]{display:none!important;}
#ai-duo-redemption .duo-preview-label{font-size:12px;color:var(--duo-muted);padding:0 2px 9px;}
#ai-duo-redemption .duo-site{background:var(--duo-bg);border:1px solid var(--duo-line);border-radius:18px;overflow:hidden;}
#ai-duo-redemption .duo-header{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding:16px 24px;background:var(--duo-surface);border-bottom:1px solid var(--duo-line);}
#ai-duo-redemption .duo-brand{display:flex;align-items:center;gap:9px;font-weight:650;letter-spacing:.5px;white-space:nowrap;border:1px solid var(--duo-line);padding:5px 13px 5px 7px;border-radius:99px;}
#ai-duo-redemption .duo-logo{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;color:#fff;background:linear-gradient(135deg,#8f89e8,#4c7bdd);}
#ai-duo-redemption .duo-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;flex-wrap:wrap;}
#ai-duo-redemption .duo-link{color:var(--duo-muted);text-decoration:none;display:inline-flex;align-items:center;gap:5px;min-height:38px;padding:6px 10px;border-radius:10px;font-size:12px;}
#ai-duo-redemption .duo-link.active{color:var(--duo-blue);background:var(--duo-soft);font-weight:600;}
#ai-duo-redemption .duo-link svg{width:15px;height:15px;}
#ai-duo-redemption .duo-account-nav{display:flex;align-items:center;gap:3px;}
#ai-duo-redemption .duo-main{max-width:900px;margin:auto;padding:30px 26px 25px;}
#ai-duo-redemption .duo-heading{margin-bottom:23px;}
#ai-duo-redemption h1{font-size:26px;line-height:1.3;font-weight:650;margin:0 0 8px;letter-spacing:-.4px;}
#ai-duo-redemption p{margin:0;}
#ai-duo-redemption .duo-subtitle{color:var(--duo-muted);font-size:13px;}
#ai-duo-redemption .duo-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:20px;align-items:start;}
#ai-duo-redemption .duo-panel{background:var(--duo-surface);border:1px solid var(--duo-line);border-radius:16px;padding:23px;box-shadow:0 8px 28px light-dark(#18243a05,#00000012);min-width:0;}
#ai-duo-redemption .duo-steps{display:flex;gap:10px;align-items:center;padding-bottom:20px;margin-bottom:22px;border-bottom:1px solid var(--duo-line);}
#ai-duo-redemption .duo-step{display:flex;align-items:center;gap:7px;font-size:12px;white-space:nowrap;color:var(--duo-muted);}
#ai-duo-redemption .duo-step b{width:24px;height:24px;border-radius:50%;background:var(--duo-bg);font-weight:500;display:grid;place-items:center;}
#ai-duo-redemption .duo-step.current{color:var(--duo-blue);}
#ai-duo-redemption .duo-step.current b{background:var(--duo-soft);}
#ai-duo-redemption .duo-step.done b{background:var(--duo-green-soft);color:var(--duo-green);}
#ai-duo-redemption .duo-step-line{height:1px;flex:1;min-width:6px;background:var(--duo-line);}
#ai-duo-redemption .duo-label{display:block;font-weight:600;font-size:13px;margin-bottom:9px;}
#ai-duo-redemption .duo-input{width:100%;min-height:44px;font:inherit;color:var(--duo-text);background:var(--duo-surface);border:1px solid var(--duo-line);border-radius:9px;padding:11px 12px;min-width:0;}
#ai-duo-redemption textarea.duo-input{font:12px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace;resize:vertical;min-height:130px;}
#ai-duo-redemption .duo-hint{color:var(--duo-muted);font-size:12px;margin-top:8px;overflow-wrap:anywhere;}
#ai-duo-redemption .duo-button{display:inline-flex;justify-content:center;align-items:center;gap:6px;min-height:44px;border:1px solid var(--duo-line);border-radius:10px;padding:10px 15px;background:var(--duo-surface);color:var(--duo-text);font-family:inherit;font-size:13px;font-weight:500;line-height:1.4;text-decoration:none;}
#ai-duo-redemption .duo-button.primary{background:var(--duo-blue);color:light-dark(#fff,#101b32);border-color:transparent;}
#ai-duo-redemption .duo-button:disabled{opacity:.4;cursor:not-allowed;}
#ai-duo-redemption .duo-button.full{width:100%;margin-top:20px;}
#ai-duo-redemption .duo-inline{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;}
#ai-duo-redemption .duo-edit{border:0;background:none;color:var(--duo-blue);padding:4px 0;min-height:32px;font:inherit;font-size:12px;}
#ai-duo-redemption .duo-tag{display:inline-flex;align-items:center;gap:4px;font-size:11px;background:var(--duo-green-soft);color:var(--duo-green);padding:3px 8px;border-radius:99px;}
#ai-duo-redemption .duo-product{padding:13px 14px;border:1px solid var(--duo-line);border-radius:11px;margin-bottom:20px;}
#ai-duo-redemption .duo-product strong{display:block;font-size:14px;font-weight:600;margin-top:7px;}
#ai-duo-redemption .duo-section{margin-top:20px;}
#ai-duo-redemption .duo-account{background:var(--duo-soft);border-radius:11px;padding:15px;margin:18px 0;}
#ai-duo-redemption .duo-account-label{font-size:12px;color:var(--duo-muted);}
#ai-duo-redemption .duo-email{font-weight:600;font-size:17px;margin:4px 0;overflow-wrap:anywhere;}
#ai-duo-redemption .duo-check{display:flex;align-items:flex-start;gap:9px;font-size:12px;line-height:1.7;min-height:44px;}
#ai-duo-redemption .duo-check input{margin-top:5px;accent-color:var(--duo-blue);flex-shrink:0;}
#ai-duo-redemption .duo-note{font-size:12px;color:var(--duo-muted);margin-top:12px;}
#ai-duo-redemption .duo-error{color:var(--duo-red);font-size:12px;margin-top:10px;}
#ai-duo-redemption h2{font-size:14px;margin:0 0 12px;font-weight:600;}
#ai-duo-redemption .duo-help{padding:19px;}
#ai-duo-redemption .duo-help details{padding:12px 0;border-top:1px solid var(--duo-line);}
#ai-duo-redemption .duo-help summary{font-size:12px;font-weight:500;min-height:24px;}
#ai-duo-redemption .duo-help details p{font-size:12px;line-height:1.8;color:var(--duo-muted);padding-top:8px;}
#ai-duo-redemption .duo-support{display:flex;align-items:center;gap:5px;color:var(--duo-blue);text-decoration:none;font-size:12px;min-height:44px;margin-top:8px;}
#ai-duo-redemption .duo-support svg{width:15px;height:15px;}
#ai-duo-redemption .duo-result-head{text-align:center;padding:10px 0 18px;}
#ai-duo-redemption .duo-status-icon{width:44px;height:44px;border-radius:14px;background:var(--duo-soft);color:var(--duo-blue);display:grid;place-items:center;margin:0 auto 13px;font-size:23px;}
#ai-duo-redemption .duo-status-icon svg{width:24px;height:24px;}
#ai-duo-redemption .duo-result-title{font-size:20px;font-weight:600;margin-bottom:8px;}
#ai-duo-redemption .duo-result-desc{font-size:13px;color:var(--duo-muted);line-height:1.8;}
#ai-duo-redemption .duo-receipt{border-top:1px solid var(--duo-line);border-bottom:1px solid var(--duo-line);padding:12px 0;}
#ai-duo-redemption .duo-receipt-row{display:flex;justify-content:space-between;gap:14px;padding:5px 0;font-size:12px;}
#ai-duo-redemption .duo-receipt-row span:first-child{color:var(--duo-muted);}
#ai-duo-redemption .duo-receipt-row span:last-child{text-align:right;overflow-wrap:anywhere;min-width:0;}
#ai-duo-redemption .duo-callout{padding:12px 14px;background:var(--duo-soft);border-radius:10px;font-size:12px;line-height:1.8;margin-top:18px;}
#ai-duo-redemption .duo-verify{padding:18px;background:var(--duo-bg);border:1px dashed var(--duo-line);border-radius:10px;text-align:center;margin-top:17px;}
#ai-duo-redemption .duo-verify p{font-size:12px;color:var(--duo-muted);margin:5px 0 12px;}
#ai-duo-redemption .duo-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px;}
#ai-duo-redemption .duo-actions>*{flex:1;}
#ai-duo-redemption .duo-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:18px;font-size:11px;color:var(--duo-muted);}
#ai-duo-redemption .duo-bottom a{color:var(--duo-muted);text-decoration:none;}
@media(max-width:700px){#ai-duo-redemption .duo-layout{grid-template-columns:minmax(0,1fr);}#ai-duo-redemption .duo-main{padding:24px 17px;}#ai-duo-redemption .duo-help{padding:17px;}#ai-duo-redemption .duo-header{gap:10px;padding:12px 16px;}#ai-duo-redemption .duo-brand{font-size:13px;}#ai-duo-redemption .duo-account-nav{margin-left:auto;}#ai-duo-redemption .duo-nav{order:3;flex-basis:100%;justify-content:flex-start;}#ai-duo-redemption h1{font-size:23px;}#ai-duo-redemption .duo-panel{padding:18px;}#ai-duo-redemption .duo-steps{gap:6px;}#ai-duo-redemption .duo-step{gap:5px;font-size:11px;}#ai-duo-redemption .duo-step b{width:21px;height:21px;}#ai-duo-redemption .duo-input{font-size:16px;}#ai-duo-redemption textarea.duo-input{font-size:13px;}}
@media(max-width:420px){#ai-duo-redemption .duo-step{flex-direction:column;gap:4px;}#ai-duo-redemption .duo-step-line{align-self:flex-start;margin-top:11px;}}
#ai-duo-redemption .duo-main{max-width:1050px;padding-top:25px;}
#ai-duo-redemption .duo-layout{grid-template-columns:230px minmax(0,1fr);gap:20px;}
#ai-duo-redemption .duo-guide{background:var(--duo-surface);border:1px solid var(--duo-line);border-radius:16px;padding:20px;min-width:0;}
#ai-duo-redemption .duo-guide-heading{list-style:none;display:flex;align-items:center;gap:10px;min-height:44px;}
#ai-duo-redemption .duo-guide-heading::-webkit-details-marker{display:none;}
#ai-duo-redemption .duo-guide-icon{width:33px;height:33px;display:grid;place-items:center;border-radius:10px;background:var(--duo-soft);color:var(--duo-blue);flex-shrink:0;}
#ai-duo-redemption .duo-guide-heading strong{font-weight:600;font-size:16px;}
#ai-duo-redemption .duo-guide-heading small{display:block;font-size:11px;color:var(--duo-muted);}
#ai-duo-redemption .duo-guide-list{list-style:none;margin:16px 0 0;padding:17px 0 0;border-top:1px solid var(--duo-line);display:grid;gap:19px;}
#ai-duo-redemption .duo-guide-item{display:grid;grid-template-columns:27px minmax(0,1fr);gap:9px;}
#ai-duo-redemption .duo-guide-number{display:grid;place-items:center;width:27px;height:27px;border:1px solid var(--duo-line);border-radius:9px;color:var(--duo-muted);font-size:12px;}
#ai-duo-redemption .duo-guide-item strong{font-weight:600;font-size:12px;}
#ai-duo-redemption .duo-guide-item p{font-size:11px;color:var(--duo-muted);line-height:1.8;margin-top:4px;}
#ai-duo-redemption .duo-guide-item a{display:inline-flex;align-items:center;gap:4px;min-height:34px;border:1px solid var(--duo-line);border-radius:8px;color:var(--duo-blue);padding:5px 8px;text-decoration:none;font-size:11px;margin-top:8px;}
#ai-duo-redemption .duo-hero{text-align:center;margin:2px 0 23px;}
#ai-duo-redemption .duo-hero h1{font-size:24px;margin-bottom:9px;}
#ai-duo-redemption .duo-form-stage{background:var(--duo-bg);border:1px solid var(--duo-line);border-radius:13px;padding:17px;margin-bottom:17px;}
#ai-duo-redemption .duo-stage-heading{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px;}
#ai-duo-redemption .duo-stage-number{width:28px;height:28px;border-radius:9px;background:var(--duo-soft);color:var(--duo-blue);display:grid;place-items:center;font-size:13px;flex-shrink:0;}
#ai-duo-redemption .duo-stage-heading h2{font-size:14px;margin:0 0 3px;font-weight:600;}
#ai-duo-redemption .duo-stage-heading p{font-size:11px;color:var(--duo-muted);}
#ai-duo-redemption .duo-product{background:var(--duo-surface);margin-bottom:0;}
#ai-duo-redemption .duo-session-toolbar{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:7px;flex-wrap:wrap;}
#ai-duo-redemption .duo-session-toolbar label{font-size:12px;font-weight:600;}
#ai-duo-redemption .duo-session-toolbar a{font-size:11px;color:var(--duo-blue);text-decoration:none;min-height:32px;display:inline-flex;align-items:center;}
#ai-duo-redemption textarea.duo-input{min-height:130px;}
#ai-duo-redemption .duo-local-check{font-size:12px;border-radius:9px;background:var(--duo-surface);border:1px solid var(--duo-line);padding:11px 12px;margin-top:12px;color:var(--duo-muted);}
#ai-duo-redemption .duo-confirm-summary{border-top:1px solid var(--duo-line);margin-top:18px;padding-top:17px;}
#ai-duo-redemption .duo-confirm-summary .duo-account{margin:0 0 15px;}
#ai-duo-redemption .duo-mini-faq{border-top:1px solid var(--duo-line);margin-top:20px;padding-top:14px;}
#ai-duo-redemption .duo-mini-faq summary{font-size:12px;font-weight:500;min-height:44px;display:flex;align-items:center;gap:7px;color:var(--duo-muted);}
#ai-duo-redemption .duo-mini-faq p{font-size:12px;color:var(--duo-muted);line-height:1.8;margin:0 0 12px;}
#ai-duo-redemption .duo-mini-faq strong{color:var(--duo-text);font-weight:500;}
#ai-duo-redemption .duo-input:disabled{background:var(--duo-bg);color:var(--duo-muted);opacity:.7;}
#ai-duo-redemption .duo-return-order{font-size:12px;color:var(--duo-blue);text-decoration:none;min-height:36px;display:inline-flex;align-items:center;margin-top:13px;}
@media(max-width:700px){#ai-duo-redemption .duo-layout{grid-template-columns:minmax(0,1fr);gap:14px;}#ai-duo-redemption .duo-guide{padding:13px 16px;}#ai-duo-redemption .duo-guide-heading strong{font-size:14px;}#ai-duo-redemption .duo-guide-heading small{font-size:11px;}#ai-duo-redemption .duo-hero h1{font-size:22px;}#ai-duo-redemption .duo-form-stage{padding:13px;}#ai-duo-redemption .duo-stage-heading h2{font-size:13px;}#ai-duo-redemption .duo-guide-item a{min-height:44px;}#ai-duo-redemption .duo-guide-list{gap:15px;}}
#ai-duo-redemption .duo-valid-product{background:var(--duo-green-soft);border-color:var(--duo-green);}
#ai-duo-redemption .duo-valid-product strong{color:var(--duo-green);}
#ai-duo-redemption .duo-local-check strong{font-weight:500;font-size:12px;display:block;margin-bottom:4px;}
#ai-duo-redemption .duo-local-check p{font-size:11px;line-height:1.8;}
#ai-duo-redemption .duo-recognized{background:var(--duo-green-soft);border-color:var(--duo-line);color:var(--duo-green);}
#ai-duo-redemption .duo-submit-area{border:1px solid var(--duo-line);border-radius:13px;background:var(--duo-surface);padding:16px;}
#ai-duo-redemption .duo-target-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;padding-bottom:13px;border-bottom:1px solid var(--duo-line);}
#ai-duo-redemption .duo-target-grid span{color:var(--duo-muted);font-size:11px;display:block;}
#ai-duo-redemption .duo-target-grid strong{font-weight:600;font-size:13px;display:block;margin-top:4px;overflow-wrap:anywhere;}
#ai-duo-redemption .duo-submit-area .duo-button.full{margin-top:14px;}
@media(max-width:420px){#ai-duo-redemption .duo-target-grid{grid-template-columns:minmax(0,1fr);gap:10px;}}
#ai-duo-redemption .duo-export-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0 0 15px;color:var(--duo-muted);font-size:12px;}
#ai-duo-redemption .duo-export-controls label{color:var(--duo-text);}
#ai-duo-redemption .duo-export-controls select{font:inherit;background:var(--duo-surface);color:var(--duo-text);border:1px solid var(--duo-line);border-radius:8px;padding:8px 10px;min-height:40px;max-width:100%;}
#ai-duo-redemption .duo-edit,#ai-duo-redemption .duo-link,#ai-duo-redemption .duo-return-order,#ai-duo-redemption summary,#ai-duo-redemption .duo-guide-item a{min-height:44px} #ai-duo-redemption .duo-header{min-width:0} #ai-duo-redemption .duo-guide-item a{overflow-wrap:anywhere} #ai-duo-redemption .duo-notice{margin-bottom:14px;font-size:12px;overflow-wrap:anywhere} #ai-duo-redemption .duo-candidates{display:grid;gap:9px;margin-top:14px} #ai-duo-redemption .duo-candidates button{text-align:left;overflow-wrap:anywhere;justify-content:flex-start} #ai-duo-redemption progress{width:100%;height:12px;margin-top:12px} #ai-duo-redemption .duo-control-link{min-height:44px} #ai-duo-redemption .duo-export-controls{margin-bottom:15px} #ai-duo-redemption .duo-target-grid strong{word-break:break-word} #ai-duo-redemption .duo-receipt-row span{max-width:72%} #ai-duo-redemption .duo-preview-label{line-height:1.8} #ai-duo-redemption .duo-header .duo-nav{min-width:0} #ai-duo-redemption .duo-guide-item strong{display:block} #ai-duo-redemption select{max-width:100%} #ai-duo-redemption .duo-button{overflow-wrap:anywhere} @media(max-width:350px){body{padding:8px} #ai-duo-redemption .duo-panel{padding:13px} #ai-duo-redemption .duo-main{padding:16px 10px} #ai-duo-redemption .duo-header{padding:10px} #ai-duo-redemption .duo-link{padding:6px 7px}}
/* Home header parity: public navigation only. */
html,body{margin:0;padding:0}
#ai-duo-redemption{max-width:none}
#ai-duo-redemption .duo-site{border:0;border-radius:0;box-shadow:none;padding-top:73px;overflow:visible}
#ai-duo-redemption .duo-header{position:fixed;top:0;left:0;right:0;z-index:50;display:block;padding:16px 0;background:#fff;border-bottom:1px solid rgba(0,0,0,.12);font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;font-size:16px;line-height:24px;color:#1d1d1f}
#ai-duo-redemption .duo-header-inner{max-width:1280px;height:40px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:16px}
#ai-duo-redemption .duo-header .duo-brand{display:inline-flex;align-items:center;gap:12px;height:40px;padding:0 16px;border:1px solid oklab(.39336 -.032314 -.131166 / .314824);border-radius:24px;background:oklab(.993243 -.000669297 -.00287908 / .914118);color:#1d1d1f;text-decoration:none;letter-spacing:0;flex-shrink:0}
#ai-duo-redemption .duo-brand img{width:32px;height:32px;object-fit:contain;flex-shrink:0}
#ai-duo-redemption .duo-brand span{font-size:16px;font-weight:700;line-height:1;letter-spacing:-.018em;white-space:nowrap}
#ai-duo-redemption .duo-header .duo-nav{display:flex;align-items:center;gap:4px;flex:0 1 auto;flex-wrap:nowrap;justify-content:center}
#ai-duo-redemption .duo-header .duo-account-nav{margin-left:0;display:flex;align-items:center;gap:16px;flex-shrink:0;padding-right:16px}
#ai-duo-redemption .duo-header .duo-link{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:32px;min-height:32px;padding:0 12px;border-radius:12px;font-size:12px;font-weight:500;line-height:16px;white-space:nowrap;color:#6e6e73}
#ai-duo-redemption .duo-header .duo-link svg{width:16px;height:16px;flex-shrink:0;opacity:.7}
#ai-duo-redemption .duo-header .duo-link.active{color:#0071e3;background:oklab(.562905 -.0462419 -.187701 / .1)}
#ai-duo-redemption .duo-header .duo-link:hover{color:#1d1d1f;background:#f5f5f7}
#ai-duo-redemption .duo-header .duo-link.active:hover{color:#0071e3;background:oklab(.562905 -.0462419 -.187701 / .1)}
#ai-duo-redemption .duo-brand:hover{border-color:#0071e3}
#ai-duo-redemption .duo-notice:empty{display:none}
@media(min-width:1024px) and (max-width:1279px){#ai-duo-redemption .duo-header-inner{max-width:1024px}}
@media(max-width:1023px){
#ai-duo-redemption .duo-site{padding-top:121px}
#ai-duo-redemption .duo-header{padding:12px 0}
#ai-duo-redemption .duo-header-inner{height:auto;flex-wrap:wrap;gap:8px}
#ai-duo-redemption .duo-header .duo-brand{gap:8px;padding:0 10px}
#ai-duo-redemption .duo-brand img{width:28px;height:28px}
#ai-duo-redemption .duo-brand span{font-size:14px}
#ai-duo-redemption .duo-header .duo-account-nav{margin-left:auto;gap:4px;padding-right:0}
#ai-duo-redemption .duo-header .duo-nav{order:3;flex-basis:100%;justify-content:center}
#ai-duo-redemption .duo-header .duo-link{height:44px;min-height:44px;padding:0 8px}
}
@media(max-width:350px){
#ai-duo-redemption .duo-header .duo-link{font-size:11px;padding:0 4px;gap:4px}
}
/* Keep the full CDK visible in the same field across every page state. */
#ai-duo-redemption .duo-card-status{margin-left:auto;white-space:nowrap;border:1px solid #99e5ca;border-radius:24px;padding:8px 12px;font-size:12px;font-weight:700;color:var(--duo-green);background:var(--duo-green-soft);}
#ai-duo-redemption .duo-card-input-wrap{position:relative;}
#ai-duo-redemption .duo-card-input-wrap .duo-input{min-height:60px;padding:14px 48px;font-weight:700;font-size:16px;border-radius:14px;}
#ai-duo-redemption .duo-card-key{position:absolute;left:17px;top:50%;transform:translateY(-50%);font-size:25px;color:var(--duo-muted);pointer-events:none;}
#ai-duo-redemption .duo-card-icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;text-align:center;line-height:30px;background:var(--duo-green);color:white;font-weight:700;pointer-events:none;}
#ai-duo-redemption .duo-card-valid .duo-card-input-wrap .duo-input{border-color:#46d6a2;box-shadow:0 0 0 4px rgba(16,185,129,.08);}
#ai-duo-redemption .duo-card-used .duo-card-input-wrap .duo-input{border-color:var(--duo-red);}
#ai-duo-redemption .duo-card-used .duo-card-icon{background:var(--duo-red);}
#ai-duo-redemption .duo-card-used .duo-card-status{color:var(--duo-red);border-color:var(--duo-red);background:var(--duo-red-soft);}
#ai-duo-redemption #duo-cdk:disabled{color:var(--duo-text);background:var(--duo-surface);opacity:1;}
#ai-duo-redemption .duo-input::placeholder{font-size:12px;font-weight:400;}
#ai-duo-redemption [data-card-plan-row]{margin-bottom:12px;justify-content:space-between;font-size:13px;}
@media(max-width:700px){#ai-duo-redemption [data-code-entry] .duo-stage-heading{flex-wrap:wrap;}#ai-duo-redemption .duo-card-status{padding:6px 9px;}#ai-duo-redemption .duo-card-input-wrap .duo-input{padding-left:37px;padding-right:42px;}#ai-duo-redemption .duo-card-key{left:11px;}}
#ai-duo-redemption .duo-card-key{width:23px;height:23px;}
#ai-duo-redemption .duo-card-invalid .duo-card-input-wrap .duo-input{border-color:#f58ca5;box-shadow:none;}
#ai-duo-redemption .duo-card-invalid .duo-card-icon{background:#ce4260;}
#ai-duo-redemption .duo-card-feedback{display:flex;gap:15px;align-items:flex-start;background:#fff4f6;border:1px solid #f6b7c5;border-radius:15px;padding:17px 18px;color:#b42b49;margin:14px 0;}
#ai-duo-redemption .duo-card-feedback>svg{width:25px;height:25px;flex:none;}
#ai-duo-redemption .duo-card-feedback strong{display:block;font-size:15px;margin:0 0 5px;}
#ai-duo-redemption .duo-card-feedback p{margin:3px 0;font-size:13px;overflow-wrap:anywhere;}
#ai-duo-redemption .duo-card-used #duo-cdk-note::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#ce4260;margin-right:8px;}
@media(max-width:700px){#ai-duo-redemption #duo-cdk{font-size:12px;}#ai-duo-redemption .duo-card-feedback{padding:14px;gap:10px;}}
#ai-duo-redemption .duo-account-status{color:#087a59;background:#ebfaf3;border-color:#a3e5ca}
#ai-duo-redemption .duo-account-success{padding:0;border:1px solid #b0e8d4;background:#effbf6;color:#135e4d;overflow:hidden}
#ai-duo-redemption .duo-account-success-head{display:flex;gap:14px;align-items:center;padding:18px}
#ai-duo-redemption .duo-account-success-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:42px;height:42px;background:#d9f6e9;border-radius:12px;color:#078262;font-size:22px}
#ai-duo-redemption .duo-account-success .duo-account-label{color:#65867e}
#ai-duo-redemption .duo-account-success .duo-email{margin:3px 0 0;color:#145746}
#ai-duo-redemption .duo-account-facts{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #cceade;background:#f6fdf9}
#ai-duo-redemption .duo-account-facts>div{padding:13px 18px;min-width:0}
#ai-duo-redemption .duo-account-facts>div+div{border-left:1px solid #cceade}
#ai-duo-redemption .duo-account-facts span{display:block;color:#75877f;font-size:12px;margin-bottom:5px}
#ai-duo-redemption .duo-account-facts strong{font-size:13px;overflow-wrap:anywhere}
/* After-sales contacts: isolated from redemption controls. */
#ai-duo-redemption .duo-after-sales{margin-top:20px;padding-top:20px;border-top:1px solid var(--duo-line)}
#ai-duo-redemption .duo-after-sales h2{scroll-margin-top:140px;margin:0 0 14px;font-size:15px;font-weight:600;color:var(--duo-text)}
#ai-duo-redemption .duo-contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
#ai-duo-redemption .duo-contact-copy{display:flex;align-items:center;gap:14px;min-width:0;padding:16px;border:1px solid var(--duo-line);border-radius:14px;background:#f7f9fc;color:var(--duo-text);font:inherit;text-align:left;transition:border-color .15s,background .15s}
#ai-duo-redemption .duo-contact-copy:hover{border-color:#9bb8ee;background:#f1f6ff}
#ai-duo-redemption .duo-contact-copy img{width:52px;height:52px;object-fit:contain;border-radius:14px;flex:none}
#ai-duo-redemption .duo-contact-text{display:flex;flex-direction:column;min-width:0;gap:3px}
#ai-duo-redemption .duo-contact-label{font-size:13px;color:var(--duo-muted);line-height:1.5}
#ai-duo-redemption .duo-contact-copy strong{font-size:25px;font-weight:700;line-height:1.3;letter-spacing:-.5px;font-variant-numeric:tabular-nums;white-space:nowrap}
#ai-duo-redemption .duo-copy-feedback{font-size:11px;line-height:1.5;color:var(--duo-muted)}
#ai-duo-redemption .duo-contact-copy.is-copied{border-color:#a3d9bf;background:#f2fbf6}
#ai-duo-redemption .duo-contact-copy.is-copied .duo-copy-feedback{color:#087a59}
@media(max-width:900px){#ai-duo-redemption .duo-contact-grid{grid-template-columns:minmax(0,1fr)}}
@media(max-width:700px){#ai-duo-redemption .duo-contact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){#ai-duo-redemption .duo-contact-grid{grid-template-columns:minmax(0,1fr)}#ai-duo-redemption .duo-contact-copy{padding:14px}#ai-duo-redemption .duo-contact-copy strong{font-size:24px}}
.duo-contact-clipboard{position:fixed;left:-9999px;top:0;width:1px;height:1px;opacity:0}
#ai-duo-redemption .duo-copy-feedback:empty{display:none}
#ai-duo-redemption .duo-wechat-icon{display:block;width:52px;height:52px;flex:none;overflow:hidden;border-radius:14px}
#ai-duo-redemption .duo-wechat-icon img{display:block;width:69px;height:69px;max-width:none;border-radius:0;transform:translate(-8.5px,-8.5px)}
/* Result states only. The pre-submit form keeps the existing styles. */
#ai-duo-redemption .duo-task-card{background:#fafcff;border-radius:20px;padding:20px}
#ai-duo-redemption .duo-task-card .duo-stage-number,
#ai-duo-redemption .duo-result-compact .duo-stage-number{width:34px;height:34px;background:#3071f5;color:#fff;font-weight:700;border-radius:12px}
#ai-duo-redemption .duo-task-card>.duo-label{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
#ai-duo-redemption .duo-task-card #duo-cdk-note{margin-top:12px}
#ai-duo-redemption .duo-task-card #duo-cdk-note::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#078967;margin-right:8px}
#ai-duo-redemption .duo-task-plan{display:flex;align-items:center;gap:15px;margin-top:18px;padding:14px 16px;background:#ecfcf5;border:1px solid #b4e9d4;border-radius:16px;color:#08614f}
#ai-duo-redemption .duo-task-ticket{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:13px;background:#d7f7eb}
#ai-duo-redemption .duo-task-ticket svg{width:24px;height:24px}
#ai-duo-redemption .duo-task-plan-label{font-size:12px;color:#5e8579}
#ai-duo-redemption .duo-task-plan-value{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:18px;font-weight:700;margin-top:3px}
#ai-duo-redemption [data-task-platform]{font-size:13px;line-height:1.5;padding:2px 10px;border-radius:99px;background:#c9f0e2}
#ai-duo-redemption .duo-task-plan-check{margin-left:auto;display:grid;place-items:center;flex:none;width:30px;height:30px;border-radius:50%;background:#078967;color:#fff;font-weight:700}
#ai-duo-redemption .duo-result-compact{padding:20px;background:#fafcff;border:1px solid #dfe6f1;border-radius:20px;margin-bottom:17px}
#ai-duo-redemption .duo-result-compact>.duo-stage-heading{align-items:center;margin-bottom:18px}
#ai-duo-redemption .duo-result-compact h3{margin:0;font-size:16px;font-weight:650}
#ai-duo-redemption .duo-task-progress{max-width:520px;margin:0 auto 16px;padding:25px 24px 18px;text-align:center;border:1px solid #e1e6ee;border-radius:24px;background:#fff;box-shadow:0 8px 26px #18243a0b}
#ai-duo-redemption .duo-task-progress h3{color:#777d88;margin-bottom:24px}
#ai-duo-redemption .duo-task-progress-title{font-size:16px;font-weight:650;color:#202630}
#ai-duo-redemption .duo-task-progress-state{margin-top:5px;color:#1681fa;font-size:15px;font-weight:600}
#ai-duo-redemption .duo-task-spinner{display:block;width:36px;height:36px;border:4px solid #deebff;border-top-color:#1681fa;border-radius:50%;margin:22px auto;animation:duo-result-spin 1s linear infinite}
#ai-duo-redemption .duo-task-progress-note{display:flex;align-items:center;justify-content:center;gap:9px;color:#727b8b;font-size:14px}
#ai-duo-redemption .duo-task-dot{width:7px;height:7px;border-radius:50%;background:#28a866;flex:none}
#ai-duo-redemption .duo-task-updated{border-top:1px solid #e3e7ee;margin-top:18px;padding-top:14px;color:#8b93a1;font-size:12px;line-height:1.8;font-variant-numeric:tabular-nums;text-wrap:balance}
#ai-duo-redemption .duo-task-outcome{display:flex;align-items:flex-start;gap:13px;padding:16px 18px;border:1px solid #f2ce93;border-radius:17px;background:#fff7e9;color:#bc7600}
#ai-duo-redemption .duo-task-outcome-icon{display:grid;place-items:center;flex:none;width:25px;height:25px;border:2px solid currentColor;border-radius:50%;font-size:17px;font-weight:600;line-height:1;margin-top:2px}
#ai-duo-redemption .duo-task-outcome h3{color:#242b35;line-height:1.6}
#ai-duo-redemption .duo-task-outcome p{margin-top:3px;font-size:14px;line-height:1.8}
#ai-duo-redemption .duo-task-success{border-color:#9ddfbc;background:#eaf9f1;color:#23a363}
#ai-duo-redemption .duo-result-compact>.duo-next-order{display:flex;width:100%;margin-top:18px;min-height:58px;border:0;border-radius:16px;background:linear-gradient(#1b8dff,#0872ec);color:#fff;font-size:18px;font-weight:700}
@keyframes duo-result-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){#ai-duo-redemption .duo-task-spinner{animation:none}}
@media(max-width:700px){
#ai-duo-redemption .duo-task-card,#ai-duo-redemption .duo-result-compact{padding:15px;border-radius:17px}
#ai-duo-redemption .duo-task-card .duo-stage-heading{gap:8px}
#ai-duo-redemption .duo-task-card .duo-card-status{margin-left:0}
#ai-duo-redemption .duo-task-plan{padding:13px 12px;gap:11px}
#ai-duo-redemption .duo-task-plan-value{font-size:17px}
#ai-duo-redemption .duo-task-progress{padding:22px 16px 16px;border-radius:20px}
#ai-duo-redemption .duo-task-progress-title{font-size:15px}
#ai-duo-redemption .duo-task-progress-note{font-size:12px}
#ai-duo-redemption .duo-task-outcome{padding:14px 12px;gap:10px}
#ai-duo-redemption .duo-task-outcome h3{font-size:15px}
#ai-duo-redemption .duo-task-outcome p{font-size:13px}
}
/* Keep all five redemption header destinations visible on narrow phones. */
@media(max-width:480px){
#ai-duo-redemption .duo-header .duo-nav-enterprise{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:2px}
#ai-duo-redemption .duo-nav-enterprise .duo-link{flex-direction:column;gap:2px;min-width:0;padding:0 1px;font-size:11px;line-height:14px}
}