:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#162c25;background:#fff;font-synthesis:none;--green:#17604b;--mint:#eaf5f0;--muted:#727d79;--line:#e7ebe9;--gray:#f5f7f6;--radius:10px}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}button{font-size:14px;font-weight:600;border:0;background:none;transition:background .16s,transform .16s}button:not(:disabled):active{transform:translateY(1px)}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #82bca6;outline-offset:3px}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1{font-size:36px;line-height:1.35;letter-spacing:-1px;font-weight:700}h2{font-size:22px;line-height:1.4}h3{font-size:18px}p{line-height:1.7}svg{height:20px;width:20px;flex-shrink:0;vertical-align:middle}.site-header{border-bottom:1px solid var(--line)}.header-inner{max-width:1280px;margin:auto;padding:0 40px;display:flex;align-items:center;height:86px;gap:62px}.wordmark{font-size:30px;letter-spacing:-1px;font-weight:850;display:inline-flex;align-items:center;gap:5px;white-space:nowrap}.brand-dot{width:7px;height:7px;background:#61ac89;border-radius:50%;align-self:flex-end;margin-bottom:9px}.header-inner nav{align-self:stretch;display:flex;gap:30px}.header-inner nav a{display:flex;align-items:center;font-size:16px;font-weight:550;color:#616c67;position:relative}.header-inner nav a[aria-current]{color:var(--green)}.header-inner nav a[aria-current]:after{content:'';height:3px;border-radius:3px;background:var(--green);position:absolute;bottom:18px;left:0;right:0}.account{margin-left:auto;display:flex;align-items:center;gap:18px;font-size:14px}.account span{display:flex;align-items:center;gap:8px}.text-button{padding:8px;color:#586a62;font-size:13px}.text-button:hover,.text-link:hover{color:var(--green);text-decoration:underline}.primary{background:var(--green);color:#fff;padding:13px 26px;border-radius:var(--radius);min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:10px}.primary:hover:not(:disabled){background:#104d3b}.secondary{background:var(--gray);border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;color:#3b5148}.secondary:hover{background:#edf2ef}.full{width:100%}.muted{color:var(--muted)}.small{font-size:13px}.workspace{max-width:1280px;margin:0 auto;padding:45px 40px 56px}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;gap:16px}.page-heading p{font-size:17px;color:#6d7773;margin-top:10px}.local-label{font-size:12px;color:#74837a;white-space:nowrap;border-left:2px solid #bcd1c4;padding-left:10px}.upload-layout{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(260px,1fr);gap:46px}.dropzone{border:1px dashed #a6cdbd;background:var(--mint);border-radius:12px;text-align:center;padding:31px 20px 28px;min-height:302px;transition:background .18s,border-color .18s}.dropzone.dragging{background:#d4eadd;border-color:var(--green)}.upload-symbol svg{height:44px;width:44px;color:#173f31;stroke-width:1.5;margin-bottom:16px}.dropzone h2{font-size:21px}.dropzone p{margin-top:6px;color:#65756c}.dropzone .small{font-size:12px;margin-top:12px}.dropzone button{margin-top:19px;min-width:142px}.steps{padding-top:5px}.steps ol{list-style:none;padding:0;margin:0}.steps li{display:flex;gap:20px;position:relative;padding-bottom:29px}.steps li:not(:last-child):after{content:'';width:1px;background:var(--line);position:absolute;left:18px;top:46px;bottom:10px}.steps li>span{border-radius:50%;background:var(--gray);font-size:17px;height:37px;width:37px;display:grid;place-items:center;flex-shrink:0}.steps li:first-child>span{background:var(--mint);color:var(--green)}.steps h3{margin:5px 0 7px;font-size:17px}.steps p{font-size:14px;color:#717b76;max-width:245px}.storage-note{border-top:1px solid var(--line);padding-top:14px!important;font-size:12px!important;max-width:none!important}.deliveries-section{border-top:1px solid var(--line);margin-top:38px;padding-top:28px}.table-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.table-toolbar h2{white-space:nowrap}.list-controls{display:flex;gap:12px;align-items:center}.search-box{display:flex;align-items:center;border:1px solid var(--line);border-radius:var(--radius);padding:0 12px;gap:8px;width:240px}.search-box svg{width:17px;color:#6e7b74}.search-box input{border:0;padding:11px 0;min-width:0;outline:0;font-size:13px;width:100%}.search-box:focus-within{outline:2px solid #82bca6}.filters{display:flex;gap:6px}.filters button{font-size:13px;padding:11px 14px;background:var(--gray);border-radius:9px;color:#617168;white-space:nowrap}.filters button[aria-pressed=true]{background:var(--green);color:#fff}.delivery-table{width:100%;border-collapse:collapse;font-size:13px;text-align:left;table-layout:fixed}.delivery-table th{font-weight:500;color:#63746a;background:var(--gray);padding:13px 14px;font-size:12px}.delivery-table th:first-child{border-radius:8px 0 0 8px;width:28%}.delivery-table th:nth-child(2){width:25%}.delivery-table th:nth-child(3){width:17%}.delivery-table th:nth-child(4){width:12%}.delivery-table th:last-child{border-radius:0 8px 8px 0;width:18%}.delivery-table td{padding:18px 14px;border-bottom:1px solid var(--line);vertical-align:middle}.file-cell{display:flex;align-items:center;gap:12px;min-width:0}.file-cell>svg{width:23px;height:26px;color:#41584d}.file-cell>div{min-width:0}.file-name{display:block;font-weight:550;overflow-wrap:anywhere;line-height:1.6}.file-meta{font-size:11px;color:#8a938e;margin-top:4px}.code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;letter-spacing:.1px;overflow-wrap:anywhere}.code-button{padding:3px;color:#63786c;margin-left:4px}.code-button svg{height:14px;width:14px}.status{font-size:12px;display:inline-flex;align-items:center;gap:7px;white-space:nowrap}.status:before{content:'';width:7px;height:7px;background:#a9b3ad;border-radius:50%}.status.complete{color:var(--green)}.status.complete:before{background:#37a275}.status.pending{color:#987a43}.status.pending:before{background:#bd9b5b}.row-action{font-size:12px;padding:9px 10px;background:var(--gray);border-radius:8px;white-space:nowrap;display:inline-flex;gap:6px;align-items:center}.row-action svg{width:14px;height:14px}.empty-state{text-align:center;padding:45px 20px;color:#87948b;border:1px solid var(--line);border-radius:10px;font-size:14px}.empty-state svg{width:30px;height:30px;margin-bottom:12px}.empty-state p{margin-top:6px;font-size:12px}.table-footnote{margin-top:18px;font-size:11px}.site-footer{max-width:1200px;margin:auto;padding:22px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#8a958f;font-size:11px}.upload-selection{border:1px solid var(--line);border-radius:10px;padding:18px;margin-top:16px}.selection-heading{display:flex;align-items:center;justify-content:space-between;font-size:14px}.selected-files{list-style:none;padding:0;margin:8px 0 18px;max-height:200px;overflow:auto}.selected-files li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;font-size:13px;color:#5e7165}.selected-files span:first-child{overflow-wrap:anywhere}.selected-files span:last-child{white-space:nowrap;font-size:12px;color:#7b877f}label{display:block;font-size:14px;font-weight:550;margin-bottom:8px}label span{font-weight:400;font-size:12px}input:not([type=file]),textarea{border:1px solid #dce3df;border-radius:9px;padding:12px 14px;color:#243f31;font-size:14px;width:100%;background:white}input::placeholder{color:#a0a9a3}.upload-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}.upload-actions .primary{font-size:13px;padding:12px 16px}.upload-actions .small{font-size:11px}.progress-region{border:1px solid var(--line);padding:17px 20px;border-radius:10px;margin-top:16px;font-size:14px}.progress-region>div{display:flex;justify-content:space-between;align-items:center}progress{display:block;width:100%;height:7px;border:0;border-radius:10px;overflow:hidden;background:#e7ebe8;margin:12px 0 8px}progress::-webkit-progress-bar{background:#e7ebe8}progress::-webkit-progress-value{background:var(--green);border-radius:10px}.error{padding:12px 15px;margin-top:14px;border-radius:9px;color:#9c452f;background:#fcf1ed;font-size:13px;overflow-wrap:anywhere}.success-box{border-left:3px solid #2d9273;background:#f4f9f6;padding:20px;margin-top:16px;border-radius:4px 10px 10px 4px}.success-box>div{display:flex;align-items:center;gap:9px;font-size:15px}.success-check{color:var(--green)}.large-code{font-size:20px;letter-spacing:1px;margin:14px 0 4px}.success-box .primary{margin-top:16px;font-size:13px}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#173d2e;color:#fff;box-shadow:0 6px 28px #163a2e21;border-radius:10px;padding:13px 22px;font-size:14px;z-index:10;max-width:calc(100% - 32px);text-align:center}dialog{border:1px solid var(--line);border-radius:15px;padding:28px;width:480px;max-width:90vw;color:#162c25}dialog::backdrop{background:#102e2250}dialog p{font-size:14px;color:var(--muted);margin:12px 0}dialog textarea{font-size:14px;line-height:1.7;resize:vertical}dialog button{margin-top:16px}.login-shell{max-width:1050px;min-height:calc(100vh - 180px);margin:auto;display:grid;grid-template-columns:1fr 380px;align-items:center;gap:90px;padding:50px 40px}.login-intro h1{font-size:46px;line-height:1.45}.login-intro p{margin-top:20px;max-width:340px;font-size:16px;color:#6e7a72}.login-note{margin-top:36px;color:#73877b;border-left:2px solid #a9c8b6;padding-left:14px;font-size:13px}.login-panel{padding:28px 0}.login-panel>p{font-size:13px;margin:10px 0 26px}.login-panel label{margin-top:18px;font-size:13px}.login-panel .primary{margin-top:22px}.demo-accounts{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}.demo-accounts p{font-size:11px;color:#86968b;margin-bottom:10px}.demo-accounts button{font-size:12px;margin-right:8px}.buyer-header{max-width:1120px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:32px 40px}.text-link{font-size:13px;color:#7d8b82}.buyer-main{width:460px;max-width:calc(100% - 40px);margin:52px auto 80px}.buyer-intro{text-align:center;margin-bottom:44px}.buyer-intro h1{font-size:32px;letter-spacing:-.6px}.buyer-intro p{font-size:17px;color:#78847d;margin-top:14px}.buyer-main label{font-size:15px}.buyer-main .code-input{padding:19px 16px;letter-spacing:.8px;font-size:18px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;text-transform:uppercase}.code-input::placeholder{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;font-size:14px;letter-spacing:0}.buyer-main #code-help{font-size:12px;margin-top:9px}.buyer-main .primary{height:55px;font-size:16px;margin-top:22px;justify-content:space-between;padding:0 22px}.retention-hint{text-align:center;margin-top:22px;font-size:12px;color:#94a097}.buyer-footer{font-size:11px;color:#98a59b;text-align:center;padding:26px 20px;border-top:1px solid var(--line);margin-top:20px}.buyer-page{min-height:100vh;display:flex;flex-direction:column}.buyer-page .buyer-header{width:100%}.buyer-page .buyer-footer{margin-top:auto}.retrieval-result{margin-top:34px;border-top:1px solid var(--line);padding-top:26px}.result-heading{display:flex;align-items:center;gap:9px}.result-heading>span{color:var(--green)}.result-heading h2{font-size:19px}#result-title{font-size:14px;margin-top:15px;overflow-wrap:anywhere}#result-expiry{font-size:12px;margin-top:7px}.buyer-files{list-style:none;margin:18px 0;padding:0}.buyer-files li{display:flex;align-items:center;justify-content:space-between;padding:17px 0;border-top:1px solid var(--line);gap:12px}.buyer-files .file-name{font-size:13px}.download-button{font-size:12px;color:var(--green);padding:10px 12px;background:var(--mint);border-radius:9px;display:flex;gap:7px;align-items:center;white-space:nowrap}.download-button svg{width:15px;height:15px}.retrieval-result>.text-button{padding-left:0;margin-top:12px}
@media(min-width:1400px){.workspace{padding-top:54px}.dropzone{min-height:330px;padding-top:41px}.steps li{padding-bottom:39px}}@media(max-width:1000px){.header-inner{padding:0 28px}.workspace{padding:36px 28px}.upload-layout{gap:25px;grid-template-columns:minmax(0,1.8fr) minmax(210px,1fr)}h1{font-size:30px}.steps p{font-size:13px}.table-toolbar{align-items:flex-start;flex-direction:column}.list-controls{width:100%}.search-box{flex:1}.delivery-table th,.delivery-table td{padding-left:8px;padding-right:8px}.delivery-table .code{font-size:10px}.row-action{font-size:10px;padding:8px}.row-action svg{display:none}.site-footer{margin:0 28px}.login-shell{gap:45px}}
@media(max-width:680px){.header-inner{padding:0 20px;height:72px;gap:26px}.wordmark{font-size:25px}.brand-dot{width:6px;height:6px;margin-bottom:7px}.header-inner nav{gap:18px}.header-inner nav a{font-size:14px}.header-inner nav a[aria-current]:after{bottom:12px}.account{gap:7px}.account span{font-size:11px}.account svg{display:none}.account .text-button{font-size:11px;padding:5px 0}.workspace{padding:30px 20px 36px}.page-heading{align-items:flex-start;margin-bottom:23px}.page-heading h1{font-size:27px;max-width:315px;letter-spacing:-.6px}.page-heading p{font-size:13px;margin-top:10px;max-width:280px}.local-label{display:none}.upload-layout{display:block}.dropzone{min-height:280px;padding:27px 18px}.dropzone h2{font-size:20px}.dropzone .small{font-size:11px}.steps{display:none}.upload-actions{align-items:stretch;flex-direction:column}.upload-actions .primary{width:100%}.upload-selection{padding:15px}.large-code{font-size:16px;letter-spacing:.4px}.table-toolbar{gap:16px}.table-toolbar h2{font-size:21px}.list-controls{flex-wrap:wrap;gap:12px}.search-box{width:100%;flex:auto}.search-box input{font-size:13px}.filters button{padding:10px 14px;font-size:12px}.list-controls>#refresh{margin-left:auto}.deliveries-section{margin-top:28px;padding-top:25px}.delivery-table,.delivery-table tbody{display:block}.delivery-table thead{display:none}.delivery-table tr{display:grid;grid-template-columns:minmax(0,1fr) auto;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;padding:16px;gap:10px}.delivery-table td{padding:0;border:0}.delivery-table td:nth-child(1){grid-column:1/-1}.delivery-table td:nth-child(2){grid-column:1/-1;display:flex;align-items:center;gap:5px;border-top:1px solid var(--line);padding-top:12px}.delivery-table td:nth-child(2):before{content:'提取码';color:#8b978f;font-size:11px;margin-right:8px}.delivery-table .code{font-size:12px}.delivery-table td:nth-child(3){font-size:11px;color:#7e8e83;grid-column:1;grid-row:3}.delivery-table td:nth-child(3):before{content:'到期：'}.delivery-table td:nth-child(4){grid-column:2;grid-row:3}.delivery-table td:nth-child(5){grid-column:1/-1;margin-top:3px}.row-action{width:100%;justify-content:center;font-size:12px;padding:11px}.row-action svg{display:block}.status{font-size:11px}.file-meta{font-size:11px}.site-footer{display:block;padding:20px 0;margin:0 20px;font-size:10px}.site-footer span{display:block;line-height:2}.table-footnote{font-size:10px}.login-shell{display:block;padding:35px 24px;min-height:auto}.login-intro h1{font-size:34px}.login-intro p{font-size:14px;margin-top:15px}.login-note{display:none}.login-panel{padding-top:35px}.login-panel h2{font-size:21px}.buyer-header{padding:28px 22px}.buyer-header .wordmark{font-size:29px}.buyer-main{margin:50px auto 65px;max-width:calc(100% - 44px)}.buyer-intro{margin-bottom:36px}.buyer-intro h1{font-size:27px;letter-spacing:-.5px;white-space:nowrap}.buyer-intro p{font-size:15px;margin-top:12px}.buyer-main .code-input{font-size:16px;padding:17px 14px}.buyer-main .primary{height:54px}.buyer-main #code-help{font-size:11px}.retention-hint{font-size:11px}.buyer-footer{font-size:10px}.toast{font-size:12px;width:max-content}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.search-box input:not([type=file]){border:0;padding:11px 0;border-radius:0;font-size:13px;min-width:0;background:transparent}.file-details{font-size:11px;color:#7d8a81;margin-top:6px}.file-details summary{cursor:pointer;width:max-content}.file-details ul{padding-left:14px;margin:9px 0 0}.file-details li{line-height:1.8;overflow-wrap:anywhere}.file-details li span{color:#97a099;font-size:10px}

@media(max-width:360px){.header-inner{gap:18px}.header-inner nav{gap:14px}.account span{display:none}.page-heading h1{font-size:25px}.buyer-intro h1{font-size:25px}}

.retention-panel{border-top:1px solid var(--line,#e3e9e6);padding-top:20px;margin-top:22px}.retention-panel h3{font-size:14px;margin:0 0 8px}.retention-panel p{font-size:12px;line-height:1.7;color:#6c7c76;margin:8px 0}.retention-panel>div{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.retention-panel button{font-size:12px}.file-meta{max-width:340px}
@media(max-width:680px){.steps{display:block;margin-top:20px;padding-top:0}.steps>ol{display:none}.steps p{max-width:none}.retention-panel{margin-top:14px;padding-top:16px}.retention-panel h3{font-size:14px}.retention-panel p{font-size:12px}}

@media(max-width:680px){.wordmark{font-size:23px}.header-inner{gap:20px}.header-inner nav{gap:14px}}@media(max-width:360px){.header-inner{padding:0 16px;gap:14px}.wordmark{font-size:21px}.header-inner nav{gap:12px}.header-inner nav a{font-size:13px}}

/* Buyer-only support, in the footer flow rather than over retrieval controls. */
.buyer-page .buyer-footer{padding:22px 40px}.buyer-footer-inner{max-width:1040px;margin:0 auto;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.buyer-footer-brand{text-align:left}.buyer-support{max-width:260px;text-align:left;color:#5d7065;font-size:12px;flex-shrink:0}.support-title{font-size:12px;font-weight:600}.support-group{display:flex;align-items:center;gap:12px;margin-top:2px;flex-wrap:wrap}.support-number{font:13px ui-monospace,SFMono-Regular,Consolas,monospace;user-select:text}.buyer-support button{min-height:44px;padding:7px 10px;color:#315f49;font-size:12px;border:1px solid var(--line);border-radius:8px;background:#f8faf9}.buyer-support button:hover:not(:disabled){background:var(--mint)}.support-help,.support-copy-status{font-size:11px;line-height:1.65}.support-copy-status:empty{display:none}.support-copy-status:not(:empty){margin-top:6px;color:#315f49}.buyer-support #support-copy-fallback{margin-top:8px}.buyer-support #support-copy-fallback label{font-size:11px;font-weight:400;margin-bottom:5px}.buyer-support #support-qq-manual{font:14px ui-monospace,SFMono-Regular,Consolas,monospace;padding:10px;max-width:100%}
@media(max-width:680px){.buyer-page .buyer-footer{padding:20px 22px}.buyer-footer-inner{flex-direction:column;align-items:flex-end;gap:16px}.buyer-footer-brand{width:100%;text-align:center}.buyer-support{max-width:240px}.support-help,.support-copy-status{font-size:11px}}