:root{--paper:#fffaf2;--ink:#201b17;--orange:#d74e00;--orange-bright:#ef650a;--muted:#74665d;--line:#eadccc;--soft:#fff0df;--white:#fff;--success:#216943;--error:#a93227;font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font-size:16px;line-height:1.7}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}img{display:block;max-width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2{font-family:"STSong","SimSun","Songti SC",Georgia,serif;font-weight:800}h3{font-size:19px}p{overflow-wrap:anywhere}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #9e3900;outline-offset:4px}.wrap{width:min(1180px,calc(100% - 64px));margin-inline:auto}.skip-link{position:fixed;top:-80px;left:16px;z-index:50;padding:12px;background:white;color:var(--ink)}.skip-link:focus{top:8px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:25px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:20px;font-weight:750;line-height:1.3}.brand small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:5px}.brand img{border-radius:9px}.site-header nav{display:flex;gap:30px;font-size:14px}.site-header nav a{text-decoration:none}.site-header nav a:hover{color:var(--orange)}.hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(330px,.8fr);gap:76px;padding-block:68px 62px;align-items:start}.platform{font-size:13px;color:var(--orange);font-weight:650;margin-bottom:20px}.hero h1{font-size:clamp(36px,4.15vw,58px);line-height:1.23;letter-spacing:-1.5px}.intro{font-size:18px;line-height:1.85;color:#65554a;margin-top:25px;max-width:540px}.filename-example{margin-top:36px;padding:22px 24px;border-left:3px solid var(--orange-bright);background:#fff3e3}.file-label{font-size:12px;color:var(--muted)}.filename-example p{font-size:17px;font-weight:650;margin-top:4px;line-height:1.55}.file-connector{color:var(--orange);font-size:21px;padding-block:2px}.filename-example small{display:block;font-size:12px;line-height:1.7;color:var(--muted);margin-top:14px}.receive-panel{padding:28px 30px 22px;background:var(--white);border:1px solid #edcbb0;border-radius:22px;box-shadow:0 12px 44px #7e3e0710;position:relative}.receive-panel:before{content:"";height:5px;position:absolute;left:30px;right:30px;top:0;background:var(--orange-bright);border-radius:0 0 8px 8px}.panel-head{display:flex;align-items:center;gap:14px;margin-bottom:24px}.download-mark{display:grid;place-items:center;width:48px;height:48px;background:var(--soft);border-radius:50%;color:var(--orange);font-size:32px;line-height:1}.panel-head h2{font-size:25px;line-height:1.3}.panel-head p{font-size:12px;color:var(--muted);margin-top:5px}.release-meta{display:flex;gap:15px;align-items:center;justify-content:space-between;font-size:14px;padding-bottom:8px}.release-meta strong{font-size:18px}.release-meta span{color:var(--muted)}.date-note{font-size:12px;color:var(--muted);margin-bottom:20px}label{display:block;font-weight:650;font-size:14px;margin-bottom:8px}input{display:block;width:100%;padding:13px 14px;border:1px solid #cabbae;border-radius:8px;background:#fff;color:var(--ink);min-height:50px}input::placeholder{color:#91867d}.input-help{font-size:12px;line-height:1.85;margin:10px 0 19px;color:var(--muted)}.input-help strong{font-weight:600;color:#574436}.input-help a{color:var(--orange)}.primary-button{display:block;width:100%;border:0;border-radius:9px;min-height:50px;padding:13px 14px;background:var(--orange);color:white;text-align:center;text-decoration:none;font-weight:650;font-size:15px}.primary-button:hover:not(:disabled){background:#b84100}.status{font-size:13px;min-height:0;margin-top:12px;line-height:1.7;color:var(--muted)}.status:empty{margin:0}.status.error{color:var(--error)}.status.success{color:var(--success)}.download-ready{margin-top:16px;padding:14px;background:#edf8f1;border-radius:10px}.download-ready .primary-button{background:var(--success)}.download-ready p{font-size:12px;color:#456552;margin-top:10px}.panel-footnote{font-size:12px;color:var(--muted);margin-top:20px;line-height:1.8}.release-notes{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px}.release-notes summary{cursor:pointer;font-weight:600}.release-notes p{white-space:pre-wrap;line-height:1.8;margin-top:12px;color:var(--muted)}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:baseline;margin-bottom:30px}.section-heading 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var(--line)}.community-intro{align-self:center}.community-intro h2{font-size:35px;line-height:1.35;margin:10px 0 18px}.community-intro p:not(.subtle-label){font-size:14px;color:var(--muted)}.contact-note{margin-top:15px;color:#9a4b19!important}.qr-card{text-align:center;padding:20px;background:white;border:1px solid var(--line);border-radius:14px;align-self:start}.qr-card>a{display:flex;height:235px;align-items:center;justify-content:center}.qr-card img{max-width:220px;max-height:235px;object-fit:contain;width:auto;height:auto}.qr-card .personal-qr{max-height:235px}.qr-card h3{font-size:17px;margin-top:16px}.qr-card p{font-size:14px;color:var(--muted)}.qr-card span{display:block;font-size:11px;color:var(--muted);margin-top:9px}.site-footer{border-top:1px solid var(--line);padding-block:25px 30px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--muted)}.site-footer div{display:flex;gap:22px}.site-footer>p{flex-basis:100%;font-size:11px;margin-top:3px}.guide-main{max-width:820px;margin:45px auto 70px;padding:0 24px}.guide-main h1{font-size:34px;line-height:1.45;margin:26px 0}.guide-main h2{font-size:27px;line-height:1.5;margin:44px 0 18px;color:#b64200}.guide-main p,.guide-main ul,.guide-main ol{font-size:16px;line-height:1.95;margin:17px 0}.guide-main li+li{margin-top:8px}.guide-main img{border-radius:10px;border:1px solid var(--line);width:100%}.guide-main a{color:var(--orange)}.guide-main table{border-collapse:collapse;width:100%;font-size:13px;table-layout:fixed;overflow-wrap:anywhere}.guide-main th,.guide-main td{padding:10px;border:1px solid var(--line);text-align:left}.guide-main th{background:var(--soft)}.guide-main pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--soft);padding:18px;border-radius:10px;font-size:13px}.guide-main .guide-context{font-size:13px;border-left:3px solid var(--orange);padding:12px 16px;background:#fff0df;color:#725c4d}.guide-main .guide-return{display:inline-block;font-size:14px}.guide-main .article-footer{margin-top:42px;padding-top:25px;border-top:1px solid var(--line)}[hidden]{display:none!important}
@media(max-width:1000px){.hero{gap:34px;grid-template-columns:1fr 360px}.hero h1{font-size:42px}.wrap{width:calc(100% - 44px)}.section-heading{display:block}.section-heading p{margin-top:10px}.community{gap:20px;grid-template-columns:1fr 1fr}.community-intro{grid-column:1/-1;max-width:560px}.community-intro h2 br{display:none}.qr-card>a{height:260px}.qr-card img,.qr-card .personal-qr{max-height:260px}.guide-section{gap:30px}.guide-copy h2{font-size:29px}}
@media(max-width:740px){.wrap{width:calc(100% - 36px)}.site-header{padding-block:18px;align-items:flex-start}.brand{font-size:18px}.brand img{width:32px;height:32px}.site-header nav{gap:17px;font-size:12px;padding-top:5px}.site-header nav a:first-child{display:none}.hero{display:flex;flex-direction:column;gap:30px;padding-block:35px 38px}.hero-copy,.receive-panel{width:100%}.platform{margin-bottom:13px;font-size:12px}.hero h1{font-size:39px;letter-spacing:-1px}.intro{font-size:16px;margin-top:19px}.filename-example{margin-top:23px;padding:17px 18px}.filename-example p{font-size:15px}.receive-panel{padding:25px 24px 22px;order:0}.panel-head{margin-bottom:20px}.workflow{padding-top:30px}.section-heading{margin-bottom:25px}.section-heading h2{font-size:27px}.workflow-grid{grid-template-columns:1fr;gap:25px}.workflow-grid>div{padding-left:38px}.workflow-grid p{margin-top:6px}.product-preview{margin-top:30px;padding:6px;border-radius:10px}.product-preview figcaption{padding:9px 5px 4px;line-height:1.6;font-size:11px}.guide-section{grid-template-columns:1fr;gap:22px;padding-block:43px}.guide-copy h2{font-size:29px}.guide-copy h2 br{display:none}.use-section{grid-template-columns:1fr;gap:24px;padding:30px 0 38px}.use-section h2{font-size:27px}.care-note{padding:22px}.community{padding-block:35px;gap:16px}.community-intro h2{font-size:30px}.qr-card{padding:16px 10px}.qr-card>a{height:205px}.qr-card img{max-width:100%;max-height:205px}.qr-card .personal-qr{max-height:205px}.qr-card h3{font-size:15px}.qr-card p{font-size:12px}.qr-card span{font-size:10px}.site-footer{font-size:11px}.site-footer div{gap:15px}.guide-main{padding-inline:18px;margin-top:25px}.guide-main h1{font-size:27px}.guide-main h2{font-size:23px}.guide-main p,.guide-main li{font-size:15px}.guide-main ul{padding-left:23px}.guide-main table{font-size:12px}.guide-main td,.guide-main th{padding:8px}}
@media(max-width:390px){.hero h1{font-size:35px}.site-header nav{gap:12px}.community{grid-template-columns:1fr}.community-intro{grid-column:auto}.qr-card>a{height:295px}.qr-card img,.qr-card .personal-qr{max-height:295px;max-width:260px}.qr-card h3{font-size:18px}.qr-card p{font-size:14px}.qr-card span{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.admin-main{padding-block:40px 65px;min-height:65vh}.admin-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:25px}.admin-heading h1{font-size:36px}.admin-heading .primary-button{width:auto;min-width:115px}.admin-code-panel{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:28px;background:white;border:1px solid var(--line);border-radius:16px;margin-top:20px}.admin-code-panel h2{font-size:25px}.admin-code-panel #admin-date{font-size:13px;color:var(--muted);margin-top:4px}.admin-code{font-family:Consolas,monospace;font-size:34px;letter-spacing:3px;font-weight:700;margin-top:15px;overflow-wrap:anywhere}.admin-code-panel .primary-button{width:auto;min-width:160px}.admin-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-block:25px 38px}.admin-metrics>div{border-top:2px solid var(--orange);padding:20px;background:var(--soft);border-radius:3px 3px 10px 10px}.admin-metrics span{display:block;font-size:14px;color:var(--muted)}.admin-metrics strong{font-size:32px;display:block;margin-top:6px}.admin-days-heading{font-size:27px}.admin-table{width:100%;border-collapse:collapse;margin-top:18px;font-size:15px}.admin-table th,.admin-table td{padding:13px;text-align:right;border-bottom:1px solid var(--line)}.admin-table th{background:var(--soft)}.admin-table th:first-child,.admin-table td:first-child{text-align:left}.admin-table td[colspan]{text-align:center;color:var(--muted)}@media(max-width:740px){.admin-main{padding-top:26px}.admin-heading h1{font-size:27px}.admin-heading{align-items:flex-start}.admin-heading .primary-button{min-width:85px;font-size:13px;padding:10px}.admin-code-panel{display:block;padding:22px}.admin-code-panel .primary-button{margin-top:18px;width:100%}.admin-code{font-size:28px;letter-spacing:2px}.admin-metrics{grid-template-columns:1fr 1fr;gap:12px}.admin-metrics>div{padding:16px}.admin-metrics strong{font-size:27px}.admin-table{font-size:13px}.admin-table th,.admin-table td{padding:11px 8px}}
.prompt-main{max-width:1000px;padding-block:48px 64px}.prompt-intro h1{font-size:clamp(34px,5vw,54px);line-height:1.25}.prompt-intro .intro{max-width:800px}.prompt-intro .care-note{margin-top:28px}.stage-nav{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0}.stage-nav a{font-size:14px;text-decoration:none;border:1px solid var(--line);border-radius:24px;padding:7px 15px;background:white}.stage-nav a:hover{border-color:var(--orange);color:var(--orange)}.prompt-card{margin:26px 0;padding:28px 32px;border:1px solid var(--line);border-radius:18px;background:white;scroll-margin-top:20px}.prompt-heading{display:flex;gap:16px;align-items:start;margin-bottom:20px}.prompt-heading .step{position:static;flex-shrink:0}.prompt-heading h2{font-size:27px;line-height:1.4}.prompt-heading p{color:var(--muted);font-size:14px;margin-top:4px}.prompt-card li{padding-left:3px;margin:9px 0}.prompt-card ol,.prompt-card ul{padding-left:22px}.done-line{padding:12px 16px;background:#edf8f1;border-left:3px solid var(--success);font-size:14px;margin:18px 0}.prompt-card details{margin:20px 0 12px}.prompt-card summary{cursor:pointer;color:var(--orange);font-weight:650}.prompt-card pre{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;font:14px/1.9 'Microsoft YaHei UI',sans-serif;padding:20px;background:#f8f6f2;border-radius:10px}.copy-stage{padding:11px 18px;background:var(--orange);border:0;border-radius:8px;color:white;min-width:190px;min-height:46px;font-weight:650}.copy-feedback{display:inline-block;margin:8px 12px;color:var(--success);font-size:13px}.source-note{font-size:13px;color:var(--muted);margin-top:16px}.pricing-note{background:#fff5e8;border:1px solid #ecd6b7;border-radius:12px;padding:20px;margin:22px 0}.pricing-note p{font-size:14px}.assistant-entry{padding:32px;border:1px solid #edcbb0;background:#fff2e2;border-radius:18px;display:grid;grid-template-columns:1fr 260px;gap:35px;align-items:center;margin-block:35px}.assistant-entry h2{font-size:30px;margin:7px 0 12px}.assistant-entry .small-note{margin-top:12px}@media(max-width:700px){.prompt-main{padding-top:30px}.prompt-card{padding:22px 18px}.prompt-heading h2{font-size:23px}.copy-stage{width:100%}.copy-feedback{margin-left:0}.assistant-entry{display:block;padding:24px}.assistant-entry .primary-button{margin-top:22px}.site-header{flex-wrap:wrap}.site-header nav{gap:16px;flex-wrap:wrap}.prompt-card pre{padding:14px}}

.author-invite{width:min(1180px,calc(100% - 64px));margin:32px auto 48px;padding:32px;background:#fff2e2;border-radius:18px;display:grid;grid-template-columns:minmax(0,1.7fr) minmax(220px,1fr);gap:32px;align-items:start}.author-invite h2{font-size:30px;margin:8px 0 18px}.author-invite p{margin-block:12px}.author-invite pre{white-space:pre-wrap;font:14px/1.8 inherit}.author-invite img{max-height:400px;width:auto;margin:auto}.author-invite .qr-card{padding:16px}.author-invite .qr-card p{font-size:13px}.guide-main .author-invite{width:100%}@media(max-width:650px){.author-invite{width:calc(100% - 32px);padding:22px;grid-template-columns:1fr}.guide-main .author-invite{width:100%}}

/* Download home: reserve room for outline and contact rails on wide screens. */
.download-home .community{grid-template-columns:1fr}.download-home .author-invite{grid-template-columns:1fr}.qr-rail{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.qr-rail .qr-card img{margin-inline:auto}.qr-rail [data-group-note]{font-size:12px;margin-top:8px}
@media(min-width:1600px){.download-home{padding-inline:252px}.download-home .wrap,.download-home .author-invite{width:min(1600px,calc(100% - 48px))}.download-home .hero{gap:36px}.download-home .qr-rail{position:fixed;right:16px;top:50%;transform:translateY(-50%);width:220px;max-height:calc(100dvh - 32px);overflow-y:auto;display:flex;flex-direction:column;gap:10px;z-index:10;scrollbar-width:thin}.download-home .qr-rail .qr-card{width:100%;padding:10px}.download-home .qr-rail .qr-card>a{height:160px}.download-home .qr-rail .qr-card img{max-height:160px;max-width:190px}.download-home .qr-rail .qr-card h3{font-size:14px;margin-top:6px}.download-home .qr-rail .qr-card p{font-size:11px}.download-home .qr-rail .qr-card span{font-size:10px;margin-top:3px}.download-home .qr-rail [data-group-note]{font-size:10px;line-height:1.5}}
@media(max-width:650px){.qr-rail{grid-template-columns:1fr}.qr-rail .qr-card>a{height:260px}.qr-rail .qr-card img,.qr-rail .qr-card .personal-qr{max-height:260px;max-width:100%}}

.outline-panel{margin-block:12px;border-bottom:1px solid var(--line);font-size:13px}.outline-panel summary{color:var(--orange);font-weight:700;cursor:pointer;padding-block:10px;min-height:44px}.page-outline{display:flex;flex-wrap:wrap;gap:2px 18px;padding-bottom:10px}.page-outline a{display:flex;align-items:center;min-height:44px}.page-outline a{text-decoration:none}.page-outline a:hover{color:var(--orange)}
@media(min-width:1600px){.download-home .outline-panel{position:fixed;margin-block:0;left:16px;top:50%;transform:translateY(-50%);width:220px;font-size:16px;max-height:calc(100dvh - 32px);overflow:auto;display:flex;flex-direction:column;gap:16px;padding:22px 16px;background:white;border:1px solid var(--line);border-radius:14px;z-index:10}.download-home .page-outline{flex-direction:column;gap:4px}.download-home .page-outline a{min-height:44px}}

.title-tail{display:inline-block}@media(max-width:740px){.download-home .hero h1{font-size:clamp(28px,8.5vw,39px)}.download-home .outline-panel{margin-block:8px}.download-home .hero{padding-top:24px}}

.page-outline a{gap:9px;padding:7px 10px;border-radius:8px}.page-outline a::before{content:"";width:7px;height:7px;border:1px solid #c5a58c;border-radius:50%;flex:none}.page-outline a:hover{background:#fff6eb}.page-outline a[aria-current="location"]{color:var(--orange);background:#ffedd9;font-weight:650}.page-outline a[aria-current="location"]::before{background:var(--orange);border-color:var(--orange)}

.outline-panel summary{list-style:none}.outline-panel summary::marker{content:""}.outline-panel summary::-webkit-details-marker{display:none}