@import url("/fonts.css");:root{--ground:#f0f4f4;--raised:#f6f8f8;--active:#e4e9e9;--line:#e7ebeb;--control:#c7cece;--ink:#192222;--muted:#596565;--faint:#657171;--accent:#1b6c80;--primary:#202b2c;--primary-hover:#354344;--positive:#20724f;--negative:#b33236;--warning:#805516;--radius:8px;--gap:24px;--font:"IBM Plex Sans","PingFang SC","Microsoft YaHei",sans-serif;--mono:"IBM Plex Mono",monospace}*{box-sizing:border-box}body{margin:0;background:var(--ground);color:var(--ink);font:14px/1.5 var(--font);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{border:0;background:none;color:inherit;cursor:pointer}a,button,input,select,textarea{-webkit-tap-highlight-color:transparent}button:disabled{cursor:not-allowed;color:var(--muted);background:var(--active);opacity:1}input,select,textarea{width:100%;border:1px solid var(--control);border-radius:6px;background:var(--surface);padding:10px 12px;min-height:42px;color:var(--ink);outline:none;transition:border-color .14s,box-shadow .14s}input::placeholder,textarea::placeholder{color:var(--faint)}input:focus,select:focus,textarea:focus{box-shadow:0 0 0 3px #1b6c8012}input[type=checkbox]{width:16px;height:16px;min-height:0;flex:none;accent-color:var(--primary);margin:0}textarea{resize:vertical;line-height:1.7;min-height:100px}select{cursor:pointer}label{display:block;font-size:14px;font-weight:500;margin:20px 0 8px}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{font-weight:600;line-height:1.35}h1{font-size:26px;letter-spacing:-.6px}h2{font-size:22px;letter-spacing:-.3px}h3{font-size:16px}h4{font-size:14px}p{line-height:1.7}svg{flex-shrink:0}::selection{background:#d8e8ec}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.muted{color:var(--muted)}.mono{font:12px/1.6 var(--mono);overflow-wrap:anywhere}.mono,.numeric{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:40px;padding:10px 16px;border:1px solid transparent;border-radius:6px;font-size:14px;white-space:nowrap;transition:background .14s,border-color .14s,transform .1s}.button:active:not(:disabled){transform:translateY(1px)}.button.primary{background:var(--primary);color:#fff}.button.primary:hover:not(:disabled){background:var(--primary-hover)}.button.primary:disabled{background:var(--active);color:var(--muted)}.button.secondary{background:var(--surface);border-color:var(--control);color:var(--ink)}.button.secondary:hover:not(:disabled){border-color:#a8b3b3}.button.secondary:disabled{color:var(--faint);border-color:var(--line)}.button.wide{width:100%;margin-top:24px}.button.compact{min-height:36px;padding:7px 13px;font-size:13px}.button-row{display:flex;justify-content:space-between;gap:12px;margin-top:28px}.button-row.center{justify-content:center}.text-button{display:inline-flex;gap:6px;align-items:center;color:var(--accent);padding:4px 0;white-space:nowrap}.text-button:hover{text-decoration:underline;text-underline-offset:4px}.badge,.tag,.tiny-tag{display:inline-flex;align-items:center;flex:none;white-space:nowrap;font-size:12px;line-height:20px;padding:1px 7px;border-radius:4px;background:var(--raised);color:var(--muted)}.tag.amber,.tiny-tag{background:#fbf4e6;color:var(--warning)}.badge.available,.badge.succeeded,.tag.green{background:#eaf5ed;color:#235d3d}.tiny-tag{font-size:11px;margin-left:7px}.badge{gap:6px}.badge-dot{width:5px;height:5px;border-radius:50%;background:currentColor}.badge.locked,.badge.processing,.badge.queued,.badge.submitting{background:#eaf2f4;color:#285e6a}.badge.unknown{background:#fbf4e6;color:var(--warning)}.badge.failed{background:#fbecec;color:#8b3034}.badge.disabled,.badge.redeemed{background:var(--raised);color:var(--muted)}.notice{display:flex;align-items:flex-start;gap:10px;padding:13px 16px;border-radius:6px;background:#edf4f5;color:#345862;font-size:13px;line-height:1.7;margin:0 0 20px}.notice svg{margin-top:3px}.notice.error{background:#fbeded;color:#8e3035}.notice.success{background:#edf6ef;color:#2b6042}.empty{min-height:120px;padding:32px 24px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;color:var(--muted);font-size:14px;text-align:center}.empty p{margin:0;max-width:420px}.brand{display:flex;align-items:center;white-space:nowrap;font-size:22px;letter-spacing:-.5px}.brand-symbol{width:34px;height:34px;color:var(--accent)}.brand small{font-size:13px;font-weight:400;letter-spacing:0}.brand-separator{font-size:18px;font-weight:400;color:#a7b0b0;margin:0 12px}.soft-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;color:var(--muted);flex:none}.input-icon{position:relative}.input-icon>svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--faint);width:17px}.input-icon>input{padding-left:42px}.field-hint{font-size:12px;margin:9px 0 0}.checkbox-row,.field-hint{color:var(--muted);line-height:1.7}.checkbox-row{display:flex;align-items:flex-start;gap:9px;font-size:13px;font-weight:400}.checkbox-row input{margin-top:3px}.detail-list{margin:24px 0;background:var(--raised);border-radius:8px;padding:4px 20px}.detail-list>div{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line);font-size:13px}.detail-list>div:last-child{border-bottom:0}.detail-list dt{color:var(--muted);flex:none}.detail-list dd{margin:0;text-align:right;max-width:72%;overflow-wrap:anywhere}.thin-line{height:1px;background:var(--line);margin:20px 0}.public-app{min-height:100vh}.public-app,.topbar{background:var(--ground)}.topbar{height:76px}.topbar-inner{max-width:1184px;margin:auto;justify-content:space-between;padding:0 32px}.topbar nav,.topbar-inner{height:100%;display:flex;align-items:center}.topbar nav{gap:28px}.nav-link{height:100%;position:relative;color:var(--muted);padding:0 2px;font-size:14px}.nav-link.active{color:var(--ink);font-weight:500}.nav-link.active:after{content:"";position:absolute;height:2px;background:var(--accent);left:0;right:0;bottom:15px}.admin-entry{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-left:12px}.admin-entry:hover{color:var(--ink)}.public-main{max-width:1184px;margin:16px auto 0;padding:0 32px}.hero{display:flex;align-items:center;justify-content:space-between;padding:24px 0 30px;gap:24px}.hero h1{font-size:30px;margin:0 0 12px}.hero p{font-size:15px;color:var(--muted);margin:0}.security-label{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted)}.redemption-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:32px;align-items:start}.product-sidebar{padding-top:4px}.sidebar-label{font-size:12px;line-height:1.5;font-weight:500;color:var(--muted);margin:0 0 18px}.product-option{display:flex;gap:12px;align-items:flex-start;padding:19px 0;border-top:1px solid #dce3e3}.product-option:last-of-type{border-bottom:1px solid #dce3e3}.product-symbol{display:flex;align-items:center;justify-content:center;width:28px;height:28px;color:var(--accent);flex:none}.product-option strong{display:block;font-size:15px;font-weight:500;margin:1px 0 6px}.product-option small{display:block;font-size:12px;line-height:1.6;color:var(--muted)}.stock{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--positive);margin-top:10px}.stock i{height:4px;width:4px;border-radius:50%;background:currentColor}.stock.out{color:var(--muted)}.sidebar-help{padding:32px 0 0}.sidebar-help h3{font-size:14px;margin-bottom:12px}.sidebar-help p{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:20px}.sidebar-help>span{display:flex;align-items:center;gap:8px;margin-top:12px;color:var(--muted);font-size:12px}.exchange-panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}.panel-title{padding:28px 32px 22px;display:flex;justify-content:space-between;align-items:center;gap:16px}.panel-title h2{font-size:20px;margin:0}.panel-title>svg{color:var(--muted);width:20px}.step-caption{color:var(--muted);font-size:12px}.steps{padding:0 32px 23px;border-bottom:1px solid var(--line)}.step,.steps{display:flex;align-items:center}.step{gap:8px;flex:1 1;color:var(--muted)}.step:last-child{flex:0 0 auto}.step>span{width:24px;height:24px;display:flex;align-items:center;justify-content:center}.step strong{font-size:13px;font-weight:400;white-space:nowrap}.step>div{height:1px;background:var(--line);flex:1 1;margin:0 18px}.step.current{color:var(--accent)}.step.current strong{font-weight:600}.step.done{color:var(--positive)}.form-body{padding:30px 32px}.form-intro{margin-bottom:28px}.form-intro h3{font-size:18px;margin:0 0 8px}.form-intro p{color:var(--muted);margin:0}.form-body label,.form-intro p{font-size:14px}.form-body input{padding-top:14px;padding-bottom:14px;min-height:50px}.form-body input[type=checkbox]{min-height:0}.form-body .button.wide{min-height:48px;margin-top:24px}.form-security{gap:6px;font-size:12px;line-height:1.6;margin:18px 0 0}.form-security,.panel-footer{display:flex;align-items:center;justify-content:center;color:var(--muted)}.panel-footer{gap:8px;background:var(--raised);padding:17px 24px;font-size:11px}.footer-divider{height:10px;width:1px;background:var(--control);margin:0 5px}.verified-line{display:flex;align-items:center;gap:8px;color:var(--positive);font-size:13px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--line)}.verified-line span{margin-left:auto;color:var(--muted);font-size:12px}.form-heading{font-size:18px;margin-bottom:10px}.instruction{font-size:14px;white-space:pre-wrap}.order-result{text-align:center}.result-icon{display:flex;align-items:center;justify-content:center;color:var(--accent);margin:8px auto 16px}.result-icon svg{width:34px;height:34px}.order-result h2{margin-bottom:10px}.order-result>p{font-size:14px;margin-bottom:16px}.order-result+.order-result{border-top:1px solid var(--line);padding-top:28px;margin-top:28px}.faq-section{display:grid;grid-template-columns:264px minmax(0,1fr);gap:32px;margin-top:38px;padding-top:25px;border-top:1px solid #dce3e3}.faq-title h2{font-size:16px;margin:0 0 8px}.faq-title p{font-size:12px;color:var(--muted)}.faq-grid details{border-bottom:1px solid #dce3e3}.faq-grid details:last-child{border-bottom:0}.faq-grid summary{cursor:pointer;list-style:none;position:relative;padding:13px 28px 13px 0;font-size:13px}.faq-grid summary::-webkit-details-marker{display:none}.faq-grid summary:after{content:"+";position:absolute;right:1px;top:12px;color:var(--muted);font-size:16px}.faq-grid details[open] summary:after{content:"−"}.faq-grid p{font-size:13px;color:var(--muted);margin:0 30px 16px 0;line-height:1.8}.site-footer{max-width:1184px;margin:auto;padding:30px 32px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:11px}.admin-app{display:flex;min-height:100vh}.admin-sidebar{width:228px;position:fixed;inset:0 auto 0 0;z-index:40;padding:27px 16px 0;display:flex;flex-direction:column}.admin-sidebar .brand{font-size:22px;padding-left:9px;gap:8px}.admin-sidebar .brand small{font-size:11px}.admin-sidebar .brand-separator{margin:0 7px}.admin-sidebar .brand-symbol{width:29px;height:29px}.workspace-name{display:flex;align-items:center;gap:10px;padding:17px 12px;margin:24px 0;border-top:1px solid #dce3e3;border-bottom:1px solid #dce3e3}.workspace-name strong{font-size:14px;display:block}.workspace-name small{color:var(--muted)}.admin-sidebar .sidebar-label{padding-left:12px;margin-bottom:10px}.sidebar-nav{display:flex;align-items:center;gap:12px;width:100%;min-height:43px;margin:3px 0;padding:10px 12px;border-radius:6px;font-size:14px;text-align:left;transition:background .14s,color .14s}.sidebar-nav svg{width:17px;height:17px;stroke-width:1.6}.sidebar-nav:hover{background:#e9eeee;color:var(--ink)}.sidebar-nav.active{color:var(--ink);font-weight:500}.sidebar-bottom{margin-top:auto}.sidebar-bottom>a{display:flex;align-items:center;gap:10px;padding:14px 12px;margin:24px 0 12px;color:var(--muted)}.sidebar-bottom>a:hover{color:var(--ink)}.admin-user{gap:10px;padding:18px 9px;border-top:1px solid #dce3e3}.admin-user,.user-avatar{display:flex;align-items:center}.user-avatar{justify-content:center;border-radius:50%;background:#dde5e4;color:#405753;font-size:13px;font-weight:500;flex:none}.user-avatar.small{width:28px;height:28px;font-size:12px}.admin-user strong{display:block;font-weight:500;margin-bottom:3px}.admin-user small{font-size:11px;color:var(--muted)}.admin-user button{margin-left:auto;display:flex;padding:8px;color:var(--muted)}.admin-content{margin-left:228px;flex:1 1;min-width:0}.admin-topbar{height:64px;padding:0 28px;justify-content:space-between}.admin-topbar,.breadcrumb{display:flex;align-items:center}.breadcrumb{gap:12px;color:var(--muted);font-size:12px}.breadcrumb strong{font-weight:500;color:var(--ink)}.breadcrumb>svg{color:#819090}.topbar-actions{display:flex;align-items:center}.topbar-date{color:var(--muted)}.mobile-menu,.nav-scrim{display:none}.admin-main{min-height:calc(100vh - 72px);margin:0 8px 8px 0}.page-heading{display:flex;justify-content:space-between}.page-heading h1{font-size:24px;margin:0 0 8px}.page-heading p{font-size:14px;color:var(--muted);margin:0}.heading-actions{display:flex;align-items:center}.stats-grid{display:grid;border-radius:8px;overflow:hidden}.stat-card{display:block;text-align:left;padding:22px 24px;background:var(--surface);transition:background .14s}.stat-card:hover{background:var(--raised)}.stat-card>div{display:flex;align-items:center;justify-content:space-between;gap:10px}.stat-card>div,.stat-card>div svg{color:var(--muted)}.stat-card>strong{display:block;font-weight:400;font-size:30px;line-height:1.3;letter-spacing:-.5px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;margin:12px 0 9px}.stat-card>strong small{color:var(--muted);margin-left:7px;letter-spacing:0}.stat-card>small{font-size:13px;color:var(--muted)}.stat-card.needs-attention>strong{color:var(--warning)}.demo-banner{display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:6px;background:var(--raised)}.demo-banner>svg{color:var(--muted)}.demo-banner>div{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.demo-banner strong{font-size:13px;font-weight:500}.demo-banner div>span{font-size:13px;color:var(--muted)}.demo-banner button{display:flex;align-items:center;gap:6px;white-space:nowrap;color:var(--ink);font-size:13px;margin-left:auto}.panel{border:1px solid var(--line);border-radius:8px;background:var(--surface);overflow:hidden;margin-bottom:24px}.card-heading{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 16px;gap:16px}.card-heading h3{margin:0}.card-heading p{font-size:12px;color:var(--muted);margin:6px 0 0}.overview-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px}.trend{padding:0 24px 12px;min-width:0}.trend-summary{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 12px;color:var(--muted);font-size:12px}.trend-summary strong{font-size:20px;font-weight:500;color:var(--ink);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.trend-summary strong span{font-size:12px;font-weight:400;color:var(--muted)}.trend svg{display:block;font-family:var(--font);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.quick-panel .card-heading{padding-bottom:8px}.quick-action{display:flex;align-items:center;gap:12px;width:calc(100% - 48px);margin:0 24px;padding:16px 0;border-bottom:1px solid var(--line);text-align:left}.quick-action:last-child{border:0}.quick-action>svg{color:var(--muted);width:17px}.quick-action>svg:last-child{margin-left:auto}.quick-action strong{font-size:14px;font-weight:500;display:block;margin-bottom:5px}.quick-action small{font-size:13px;color:var(--muted)}.quick-action:hover strong{color:var(--accent)}.table-wrap{overflow-x:auto;max-width:100%}table{width:100%;border-collapse:collapse;text-align:left;white-space:nowrap;font-size:13px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}thead{color:var(--muted);font-size:12px;background:var(--surface)}th{padding:12px 24px;font-weight:400}td,th{border-bottom:1px solid var(--line)}td{padding:16px 24px;color:var(--ink)}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:#fafcfc}td strong{font-weight:500}.cell-sub{display:block;max-width:240px;overflow:hidden;text-overflow:ellipsis;line-height:1.6;color:var(--muted);margin-top:5px}.table-toolbar{justify-content:space-between;gap:20px;padding:20px 24px}.table-title,.table-toolbar{display:flex;align-items:center}.table-title{gap:10px;font-weight:500}.table-title>span{font-size:12px;color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:400}.filter-controls{display:flex;align-items:center;gap:12px}.filter-controls input,.filter-controls select{height:36px;min-height:36px;padding-top:7px;padding-bottom:7px;font-size:12px}.filter-controls select{width:125px}.search-input{width:270px}.search-input>svg{left:12px}.search-input>input{padding-left:36px}.pagination{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.pagination>div{display:flex;gap:8px}.pagination button{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--control);border-radius:6px;color:var(--ink)}.pagination button:disabled{background:var(--raised);color:var(--faint);border-color:var(--line)}.table-loading{display:flex;align-items:center;justify-content:center;gap:10px;min-height:160px;color:var(--muted)}.table-note{font-size:12px;color:var(--muted);padding:0 24px 16px;margin:0}.log-detail{max-width:260px;white-space:normal;overflow-wrap:anywhere;font-size:12px}.admin-footer{display:flex;align-items:center;justify-content:space-between;font-size:11px;padding:8px 0 0;gap:16px}.admin-footer>span:last-child{display:flex;align-items:center;gap:5px}.import-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,1fr);gap:24px}.upload-panel{padding:0 24px 24px}.upload-panel .card-heading{padding-left:0;padding-right:0}.upload-panel label{margin-top:4px}.dropzone{position:relative;min-height:180px;padding:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;border:1px dashed var(--control);border-radius:6px;background:var(--raised);margin-top:20px;color:var(--muted)}.dropzone:focus-within{outline:2px solid var(--accent);outline-offset:3px}.dropzone>svg{width:28px;height:28px}.dropzone strong{font-size:14px;color:var(--ink);font-weight:500;overflow-wrap:anywhere;text-align:center}.dropzone>span{font-size:12px}.dropzone input{position:absolute;inset:0;opacity:0;cursor:pointer}.import-guide{padding-bottom:24px}.guide-item{display:flex;gap:14px;margin:18px 24px}.guide-item>span{font-size:12px;color:var(--muted);flex:none;padding-top:2px}.guide-item strong{font-size:14px;font-weight:500}.guide-item p{font-size:13px;color:var(--muted);margin:6px 0 0}.template-buttons{display:flex;gap:10px;margin:24px 24px 0}.template-buttons .button{font-size:13px;padding:8px 12px}.preview-errors{padding:0 24px 24px}.preview-errors>div{padding:12px 14px;background:#fbeded;color:#8e3035;border-radius:4px;font-size:13px;margin:6px 0}.preview-errors span{margin-right:20px}.settings-grid{display:grid;grid-template-columns:1fr 1fr}.settings-panel{padding:0 24px 24px}.settings-panel .card-heading{padding-left:0;padding-right:0}.system-note{border-top:1px solid var(--line);padding:20px 0 0;margin-top:10px}.system-note>svg{color:var(--muted);width:18px}.system-note h4{margin:9px 0 8px}.system-note p{font-size:13px;color:var(--muted);margin:0;line-height:1.8}.full-loading{display:flex;align-items:center;justify-content:center;gap:12px;min-height:100vh;color:var(--muted)}.login-page{display:grid;grid-template-columns:1fr 1fr;min-height:100vh;background:var(--surface)}.login-art{background:var(--ground);padding:40px 52px;display:flex;flex-direction:column;justify-content:space-between}.login-art>div{padding:48px 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