:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#24334b;background:#fff;font-size:14px;line-height:1.7;--blue:#245bd6;--line:#e4e9f1;--muted:#6a7c95}*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #a8c2ff;outline-offset:3px}[hidden]{display:none!important}.top{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:sticky;top:0;background:#fffffff5;z-index:5}.brand{display:flex;align-items:center;gap:12px;color:#142b4b;font-size:21px;font-weight:750;white-space:nowrap}.logo{display:grid;place-items:center;background:#1d3961;color:white;border-radius:10px;width:37px;height:37px;font-size:21px;letter-spacing:-3px;padding-right:3px}.brand-divider{color:#cbd4e1;font-weight:400;margin:0 5px}.brand-docs{font-size:14px;font-weight:500}.top-actions{display:flex;align-items:center;gap:24px}.version{font-size:11px;background:#eef5ff;color:#3f6dbe;padding:3px 9px;border-radius:5px}.download{font-size:12px}.layout{display:grid;grid-template-columns:258px minmax(0,1fr) 180px;max-width:1600px;margin:auto}.sidebar{position:sticky;top:76px;height:calc(100vh - 76px);overflow:auto;border-right:1px solid var(--line);padding:28px 20px;background:#fafbfd}.search-label{font-size:11px;color:var(--muted);display:block;margin-bottom:6px}#search{width:100%;border:1px solid #dce3ef;border-radius:7px;padding:9px 11px;background:white;font-size:12px;color:#263b59}nav{display:flex;flex-direction:column}.nav-group{font-size:10px;text-transform:uppercase;letter-spacing:1.3px;color:#8c9aaf;margin:27px 10px 9px;font-weight:600}.nav-link{padding:9px 10px;border-radius:7px;color:#53657e;font-size:13px;display:flex;align-items:center;gap:10px;margin-bottom:3px}.nav-link:hover{background:#f0f4fa;text-decoration:none}.nav-link.active{background:#eaf1ff;color:#245bd6;font-weight:600}.verb-small{font:600 9px ui-monospace,monospace;color:#1b8a6b;min-width:26px}.sidebar-note{border-top:1px solid var(--line);margin:32px 10px 0;padding-top:20px;font-size:11px;color:#53657e}.sidebar-note p{font-size:11px;color:#8190a4}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#36a67a;margin-right:6px}main{padding:42px 48px 25px;min-width:0;max-width:1050px}.eyebrow{font-size:10px;color:#6d83a5;letter-spacing:1.5px;font-weight:600;margin-bottom:12px}h1{font-size:32px;color:#152e50;line-height:1.3;letter-spacing:-.8px;margin:0 0 16px}h2{font-size:20px;letter-spacing:-.3px;color:#1d3657;margin:38px 0 16px;scroll-margin-top:95px}h3{font-size:15px;margin-top:24px}.lead{font-size:15px;color:#697d98;line-height:1.9;margin-bottom:24px}.route{background:#f6f9fd;border:1px solid #e0e8f3;border-radius:9px;padding:15px 17px;display:flex;gap:14px;align-items:center;margin:24px 0 16px;min-width:0}.method{font:700 11px ui-monospace,monospace;color:#168160;background:#e4f5ee;border-radius:4px;padding:4px 8px}.route code{word-break:break-all;font-size:13px;background:none;padding:0;color:#254c7a}.meta{display:flex;gap:10px;flex-wrap:wrap;font-size:11px;color:#61748f}.pill{background:#f5f7fb;border:1px solid var(--line);padding:3px 9px;border-radius:5px}.callout{border-left:3px solid #4d80de;background:#f2f6fe;padding:14px 18px;color:#4a6384;border-radius:0 7px 7px 0;margin:20px 0;font-size:13px}.callout p{margin:4px 0}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:22px 0}.card{display:block;border:1px solid var(--line);border-radius:10px;padding:20px;color:#243f65;transition:border-color .15s}.card:hover{border-color:#8eafe6;text-decoration:none;background:#fafcff}.card strong{display:block;font-size:15px}.card p{color:#71829a;font-size:12px;margin:8px 0 0}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px;margin:16px 0}table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.7}th{text-align:left;background:#f7f9fc;color:#71829a;font-weight:500;padding:11px 14px;white-space:nowrap}td{padding:13px 14px;border-top:1px solid var(--line);vertical-align:top;min-width:90px}td:first-child{color:#2b466d}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em;background:#f0f4fa;color:#315789;padding:2px 5px;border-radius:4px;overflow-wrap:anywhere}.codebox{border:1px solid #273e60;border-radius:10px;background:#13243b;color:#c9d8ee;overflow:hidden;margin:18px 0}.codehead{padding:10px 15px;border-bottom:1px solid #30425d;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px;color:#9db4d6}.codehead select{background:#203651;color:#e2ecfc;border:1px solid #466184;padding:4px 8px;border-radius:5px;font-size:12px}.copy{background:transparent;color:#bad0ef;border:1px solid #3f5676;border-radius:5px;padding:4px 10px;font-size:11px}.copy:hover{background:#294363}pre{overflow:auto;margin:0;padding:20px;font:12px/1.85 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2}.caption{font-size:12px;color:#7a8aa0}.toc{padding:40px 18px;position:sticky;top:76px;height:max-content;font-size:12px}.toc p{font-size:11px;color:#93a0b2}.toc a{border-left:1px solid #e1e7f0;padding:7px 12px;color:#73859e}.toc a:hover{color:var(--blue)}.steps{padding-left:21px}.steps li{padding:7px 0}footer{border-top:1px solid var(--line);margin-top:50px;padding-top:20px;color:#8796aa;font-size:11px;display:flex;justify-content:space-between;gap:15px}#notice{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);padding:10px 20px;background:#1c3558;color:white;border-radius:8px;box-shadow:0 5px 25px #142b4b22;z-index:10;font-size:12px}.skip{position:fixed;left:10px;top:-100px;z-index:20;background:white;padding:10px}.skip:focus{top:8px}#no-results{color:#8391a6;font-size:12px}#loading{color:#71829a;padding:40px 0}.copy-area{position:fixed;top:0;left:-10000px}
@media(min-width:1450px){main{padding:48px 64px}}@media(max-width:1200px){.layout{grid-template-columns:240px minmax(0,1fr)}.toc{display:none}main{padding:35px}}@media(max-width:760px){.top{padding:0 17px;height:65px}.brand{font-size:18px;gap:8px}.brand-docs{font-size:12px}.brand-divider{margin:0}.top-actions{gap:8px}.version{display:none}.download{font-size:10px}.logo{width:30px;height:30px}.layout{display:block}.sidebar{position:static;height:auto;padding:20px 18px;border-right:0;border-bottom:1px solid var(--line)}.sidebar-note{display:none}#nav{display:grid;grid-template-columns:1fr 1fr;margin-top:12px;gap:3px}.nav-group{grid-column:1/-1;margin:12px 8px 4px}.nav-link{font-size:12px;padding:8px}.nav-link.active{background:#eaf1ff}main{padding:28px 20px}h1{font-size:27px}.lead{font-size:14px}.grid{grid-template-columns:1fr}.route{gap:8px;padding:12px}.route code{font-size:11px}footer{flex-direction:column}pre{font-size:11px;padding:16px}}
.table-hint{display:none}@media(max-width:760px){table{min-width:620px}.table-hint{display:block;font-size:11px;color:#7a8aa0;margin-top:-8px}main{scroll-margin-top:78px}}

/* One documented field per row, with names searchable independently. */
.envelope-table th:first-child{width:140px}.envelope-table th:nth-child(2){width:145px}
.field-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:22px 0 8px}.field-toolbar label{font-size:12px;color:#53657e}.field-toolbar input{flex:1;min-width:220px;padding:9px 12px;border:1px solid var(--line);border-radius:6px;color:#24334b;background:white;font:inherit}.field-toolbar .caption{flex-basis:100%;margin:0}
.field-table table{min-width:820px;table-layout:fixed}.field-table th:nth-child(1){width:23%}.field-table th:nth-child(2){width:9%}.field-table th:nth-child(3){width:12%}.field-table th:nth-child(4){width:23%}.field-table th:nth-child(5){width:21%}.field-table th:nth-child(6){width:12%}.field-table td,.field-table th{padding:11px 10px}.field-table th{white-space:normal}.field-table td{overflow-wrap:anywhere;white-space:normal}.field-table code{white-space:pre-wrap;word-break:break-word;line-height:1.7}.field-catalog h3{scroll-margin-top:95px}.field-table+.table-hint{display:block;font-size:11px;color:#7a8aa0;margin-top:-8px}
@media(max-width:760px){.field-toolbar input{width:100%;min-width:0;flex-basis:100%;font-size:16px}}

/* Search the complete public documentation, with contextual links. */
.search-help,#search-status{font-size:11px;line-height:1.6;color:#71829a;margin:9px 0}.search-group{border-top:1px solid var(--line);padding-top:10px;margin-top:14px}.search-group h3{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;font-size:12px;line-height:1.6;margin:0 0 8px}.search-group h3 a{color:#214c84}.search-count{flex-shrink:0;background:#eaf1ff;color:#45689c;border-radius:4px;padding:0 5px;font-size:10px}.search-result{display:block;padding:9px 8px;margin:3px -4px;border-radius:6px;color:#435a79;overflow-wrap:anywhere}.search-result:hover,.search-result:focus-visible{background:#edf3fd;text-decoration:none}.search-result strong{display:block;font-size:12px;font-weight:600;line-height:1.65}.search-snippet{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;font-size:12px;color:#71829a;margin-top:4px;line-height:1.65}.search-mark{background:#ffe49a;color:inherit;border-radius:2px;padding:0}.search-more summary{cursor:pointer;font-size:11px;color:#35629d;padding:7px 4px}.search-hit{scroll-margin-top:105px;outline:2px solid #d5a841;outline-offset:3px}.search-hit:focus{outline-color:#d5a841}tr.search-hit>td{background:#fffaf0}
@media(max-width:760px){#search{font-size:16px}.search-help,#search-status{font-size:12px}.search-group h3{font-size:14px}.search-result strong,.search-snippet,.search-more summary{font-size:12px}.search-result{padding:12px 9px}}

/* 青屿 · public developer documentation */
:root{--blue:#3c7056;--line:#dde5dc;--muted:#627568;--bg:#f2f5f1;--panel:#fff;--soft:#f3f6f2;--ink:#293b31;--tint:#e9f1e7;color:var(--ink);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;color-scheme:light}
:root[data-theme=dark]{--blue:#a2d0ae;--line:#3b4c40;--muted:#b2c1b3;--bg:#1c2521;--panel:#25302a;--soft:#2c392f;--ink:#ecf3eb;--tint:#344f3a;color-scheme:dark}
body{background:var(--bg);color:var(--ink)}.top{height:66px;background:var(--panel);border-color:var(--line);padding:0 26px}.brand{color:var(--ink);font-weight:650}.logo{width:34px;height:34px;border-radius:10px;background:var(--blue);color:var(--panel)}.brand-divider{color:var(--line)}.version{background:var(--tint);color:var(--blue);border-radius:20px}.top-actions{gap:16px}.docs-theme{padding:5px 9px;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--muted);font-size:11px;white-space:nowrap}.layout{grid-template-columns:250px minmax(0,1fr) 170px;max-width:1660px}.sidebar{top:66px;height:calc(100dvh - 66px);background:var(--bg);padding:25px 18px}.nav-group,.sidebar-note p,.eyebrow,.toc p{color:var(--muted)}.nav-link{color:var(--muted);border-radius:8px}.nav-link.active{background:var(--tint);color:var(--blue)}.nav-link:hover{background:var(--soft)}#search{background:var(--panel);color:var(--ink);border-color:var(--line);border-radius:8px}.sidebar-note{color:var(--muted)}main{padding:30px 36px;background:var(--panel);max-width:none;min-height:calc(100dvh - 66px)}h1,h2,h3{color:var(--ink)}h1{font-size:clamp(25px,2.4vw,32px);letter-spacing:-.6px}h2{font-size:20px;margin:30px 0 14px}.lead{color:var(--muted);font-size:14px}.route{background:var(--soft);border-color:var(--line);border-radius:10px;padding:13px 16px}.route code{color:var(--blue)}.method{background:var(--tint);color:var(--blue)}.meta,.caption,.lead,footer,.toc a,.card p{color:var(--muted)}.pill{background:var(--soft);border-color:var(--line);border-radius:20px}.callout{background:var(--tint);color:var(--ink);border-left-color:var(--blue);border-radius:0 10px 10px 0;padding:12px 16px}.card{border-radius:14px;border-color:var(--line);color:var(--ink);padding:18px}.card:hover{background:var(--soft);border-color:var(--blue)}.table-wrap{border-radius:10px;scrollbar-width:auto;scrollbar-color:var(--muted) var(--soft)}.table-wrap::-webkit-scrollbar{width:12px;height:12px}.table-wrap::-webkit-scrollbar-track{background:var(--soft)}.table-wrap::-webkit-scrollbar-thumb{background:var(--muted);border:3px solid var(--soft);border-radius:8px}th{background:var(--soft);color:var(--muted);padding:10px 13px}td{padding:11px 13px;color:var(--ink)}td:first-child{color:var(--blue)}code{background:var(--soft);color:var(--blue)}.codebox{background:#203127;color:#deebdd;border-color:#3b5141;border-radius:12px}.codehead{border-color:#3b5141;color:#b5cdb8}.codehead select{background:#2d4334;border-color:#536f5b;color:#e6f1e4}.copy{color:#d2e5d2;border-color:#536f5b}.copy:hover{background:#34533d}.toc{top:66px;padding:30px 16px}.toc a{border-color:var(--line)}.toc a:hover{color:var(--blue)}#notice{background:var(--ink);color:var(--panel);border-radius:10px}.skip{background:var(--panel)}.search-group h3,.search-result strong{color:var(--ink)}.search-result{border-color:var(--line);background:var(--panel)}.search-result:hover{background:var(--soft)}.search-snippet,.search-result small,.search-help,#search-status,.search-more summary{color:var(--muted)}.search-hit{outline-color:var(--blue)}tr.search-hit>td{background:var(--tint)}mark{background:var(--tint);color:var(--blue)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline-color:var(--blue)}
@media(max-width:1150px){.layout{grid-template-columns:225px minmax(0,1fr)}.toc{display:none}main{padding:28px}}
@media(max-width:760px){.top{height:auto;min-height:62px;padding:12px 15px;gap:10px;flex-wrap:wrap}.brand{font-size:18px;gap:8px}.brand-docs{font-size:12px}.logo{width:29px;height:29px;font-size:18px}.top-actions{gap:12px;margin-left:auto}.version{display:none}.download{font-size:11px}.layout{display:block}.sidebar{position:relative;top:auto;height:auto;max-height:none;border-right:0;border-bottom:1px solid var(--line);padding:16px}.sidebar nav{max-height:210px;overflow:auto}.sidebar-note{display:none}.sidebar #search{font-size:16px}main{padding:24px 16px}.grid{grid-template-columns:1fr;gap:10px}.table-wrap{max-width:100%}.route{padding:12px;gap:8px}.route code{font-size:12px}pre{font-size:11px;padding:15px}.lead{font-size:13px}.search-help{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@supports selector(::-webkit-scrollbar){.table-wrap{scrollbar-color:auto}}

/* Keep the public reference in the same palette as the DouK workspace. */
:root{--blue:#2055c7;--line:#e1e7df;--muted:#64716a;--bg:#f3f5f2;--panel:#fff;--soft:#f8faf7;--ink:#1e2726;--tint:#edf3ff}
:root[data-theme=dark]{--blue:#a3c2ff;--line:#303b33;--muted:#a6b3ab;--bg:#101513;--panel:#191f1d;--soft:#202824;--ink:#edf3ed;--tint:#23334e}
.logo{background:#17241d;color:#b5ef77}.logo svg{width:22px;height:22px}