*{box-sizing:border-box}
:root{--blue:#2563eb;--text:#242b36;--muted:#6b7280;--border:#e5e7eb;--surface:#f8fafc}
html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:#fff;color:var(--text);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}button,input{font:inherit}button{cursor:pointer}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:3px solid #93baff;outline-offset:3px}main:focus{outline:none}.skip-link{position:fixed;top:-60px;left:20px;z-index:100;background:white;padding:8px 16px}.skip-link:focus{top:12px}
.header{height:72px;position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;padding:0 28px}.brand{display:flex;align-items:center;gap:12px;color:#111827}.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;background:#2563eb;color:white;font-size:23px;font-weight:700}.brand strong{font-size:18px;letter-spacing:1px}.brand small{display:block;color:var(--muted);font-size:11px;line-height:1.3}.header-end{display:flex;align-items:center;gap:12px}.preview-badge{font-size:12px;background:#f4f6f9;color:#586474;border:1px solid #e5e9ef;border-radius:5px;padding:4px 10px}.preview-badge i{display:none}
.layout{display:flex;min-height:calc(100vh - 72px)}.sidebar{width:268px;flex:0 0 268px;background:#f9fafc;border-right:1px solid var(--border);position:sticky;top:72px;height:calc(100vh - 72px);overflow-y:auto;padding:24px 18px}.sidebar-title{font-size:15px;font-weight:650;margin:0 10px 18px;color:#1f2937}.sidebar-title span{display:none}.search-wrap label{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden}.search-box{background:white;display:flex;gap:8px;align-items:center;border:1px solid #dbe1e9;border-radius:7px;padding:9px 10px;color:#8791a0}.search-box:focus-within{border-color:#6999ef;box-shadow:0 0 0 2px #eaf1ff}.search-box input{min-width:0;width:100%;border:0;background:none;outline:none;color:var(--text);font-size:12px}.search-box input:focus-visible{outline:none}.search-box kbd{border:1px solid var(--border);font:11px inherit;padding:0 5px;border-radius:3px}.search-summary{font-size:12px;color:var(--muted);margin-top:8px}.search-summary:empty{display:none}.nav-group{margin:25px 0 20px}.nav-group h2{font-size:11px;color:#929aa7;font-weight:600;margin:0 12px 9px;letter-spacing:1px}.nav-link{position:relative;display:block;color:#596272;font-size:13px;padding:8px 12px;border-radius:4px;margin:2px 0;line-height:1.5;transition:background .15s,color .15s}.nav-link:hover{background:#eff2f7;color:#25354b;text-decoration:none}.nav-link[aria-current=page]{background:#eaf0fb;color:#2256b3}.nav-link[aria-current=page]::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:2px;border-radius:2px;background:#326dde}.api-nav-link{padding:9px 12px;margin:2px 0}.method{display:inline-block;background:#e8f0ff;color:#245fc3;border:1px solid #d8e5ff;border-radius:4px;font:600 10px/1.7 Consolas,monospace;padding:1px 6px;white-space:nowrap}.api-nav-label{display:block;min-width:0}.api-nav-label strong{display:block;font-size:13px;font-weight:500;line-height:1.45}.api-nav-label small{display:block;font:12px/1.4 Consolas,monospace;color:#7b8798;margin-top:2px;overflow-wrap:anywhere}.api-nav-link[aria-current=page] strong{font-weight:600}.api-nav-link[aria-current=page] small{color:#7290be}.empty-search{font-size:13px;padding:10px;color:var(--muted)}.sidebar-note{font-size:11px;color:#8a93a2;border-top:1px solid var(--border);padding:18px 8px;margin-top:20px}.sidebar-note strong{font-size:12px;font-weight:500;color:#6b7280}.sidebar-note p{margin:5px 0}
main{flex:1;min-width:0}.content-wrap{max-width:1260px;padding:30px 40px 24px;margin:0 auto}.breadcrumb{font-size:12px;color:#858c98;margin-bottom:10px}.breadcrumb::before{content:"开发文档 / ";color:#637083}h1{font-size:29px;line-height:1.4;margin:0 0 18px;font-weight:680;letter-spacing:-.4px;color:#171d28}article{overflow-wrap:anywhere}article p{margin:12px 0;line-height:1.8}article>p:first-child{color:#647084;font-size:15px}article h2{font-size:19px;line-height:1.5;color:#202733;margin:30px 0 14px;font-weight:650;border-top:1px solid #e8ebf0;padding-top:20px}article h3{font-size:16px;margin:24px 0 10px}article ul,article ol{padding-left:23px}article li{margin:6px 0;color:#374151}article code{font-family:Consolas,"SFMono-Regular",monospace;background:#f1f3f6;color:#424b5a;font-size:13px;padding:2px 5px;border-radius:4px}article pre{position:relative;background:#17202e;color:#e1e8f2;border:1px solid #263345;border-radius:8px;padding:48px 20px 18px;overflow:auto;margin:16px 0 22px;font:13px/1.8 Consolas,monospace;tab-size:2}article pre code{background:none;padding:0;color:inherit;white-space:pre;font-size:inherit}.code-label{position:absolute;top:12px;left:20px;font-size:11px;color:#9daec3;font-family:inherit}.copy-button{position:absolute;right:10px;top:9px;background:#263347;color:#d9e5f5;border:1px solid #465771;font-size:11px;border-radius:5px;padding:4px 10px}.copy-button:hover{background:#334760}.table-scroll{overflow:auto;border:1px solid #dfe4eb;border-radius:7px;margin:16px 0 24px}article table{border-collapse:collapse;width:100%;min-width:600px;font-size:14px;line-height:1.6}article th{text-align:left;background:#f6f7f9;color:#4b5563;font-size:13px;padding:11px 14px;white-space:nowrap}article td{padding:12px 14px;border-top:1px solid #e7ebf0;vertical-align:top;color:#303846}article td:first-child{font-family:Consolas,"Microsoft YaHei",monospace;font-size:13px}article tr:nth-child(even) td{background:#fcfcfd}
.callout,.note,.tip,article blockquote{background:#f7f8fa;border:1px solid #e5e8ed;border-left:3px solid #9aa7b9;border-radius:5px;padding:11px 15px;margin:16px 0;color:#505c6d;font-size:13px;line-height:1.65}.callout p,.note p,.tip p,article blockquote p{margin:4px 0;line-height:1.7}.callout strong{color:#3e4a5c;font-size:13px}.warning{background:#fff9ef;border-left-color:#d5a04f}.endpoint{display:flex;align-items:center;gap:12px;background:#f3f6fc;border:1px solid #dce5f2;border-radius:7px;padding:13px 16px;margin:0 0 18px}.endpoint .method{font-size:12px;padding:2px 8px}.endpoint code{font-size:15px;color:#253c5e;background:none;padding:0;overflow-wrap:anywhere}
.article-pagination{display:flex;gap:16px;margin:34px 0 0;padding-top:22px;border-top:1px solid var(--border)}.page-link{border:1px solid var(--border);border-radius:6px;padding:11px 15px;flex:1;max-width:48%;font-size:13px}.page-link:hover{text-decoration:none;border-color:#a1bce9;background:#fafcff}.page-link small{display:block;color:#8a93a2;font-size:11px}.page-link.next{margin-left:auto;text-align:right}.footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:11px;color:#929aa6;border-top:1px solid #edf0f3;margin-top:28px;padding-top:15px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#25354d;color:white;border-radius:7px;padding:9px 17px;font-size:13px;opacity:0;pointer-events:none;z-index:60}.toast.visible{opacity:1}.menu-toggle,.menu-backdrop{display:none}.no-script{padding:30px}
@media(min-width:1600px){.content-wrap{padding:36px 56px}}@media(max-width:1100px){.sidebar{width:266px;flex-basis:266px}.content-wrap{padding:28px}}@media(max-width:720px){.header{height:66px;padding:0 15px}.brand{gap:8px}.brand-mark{width:32px;height:32px;font-size:20px}.brand strong{font-size:16px}.brand small{font-size:10px}.header-end{gap:7px}.preview-badge{font-size:10px;padding:3px 6px}.menu-toggle{display:block;background:#fff;border:1px solid #d5dce6;border-radius:5px;padding:4px 7px;font-size:11px;color:#4b5c74}.layout{min-height:calc(100vh - 66px)}.sidebar{position:fixed;top:66px;left:0;width:280px;height:calc(100dvh - 66px);z-index:40;transform:translateX(-100%);transition:transform .2s;padding:20px 16px}.sidebar.open{transform:translateX(0)}.menu-backdrop:not([hidden]){display:block;position:fixed;inset:66px 0 0;background:#17263f66;border:0;z-index:35}.content-wrap{padding:25px 18px}h1{font-size:25px}article h2{font-size:18px}.endpoint{padding:11px;gap:9px}.endpoint code{font-size:12px}.endpoint .method{font-size:10px}.article-pagination{gap:10px}.page-link{padding:10px;font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.required-mark{color:#d93025;font-weight:700;margin-right:3px;font-family:Arial,sans-serif}

[hidden]{display:none!important}
/* Password gate: scoped styles leave the unlocked documentation unchanged. */
.unlock-panel{min-height:100vh;min-height:100svh;display:grid;place-items:center;padding:48px 24px;background:#f4f6fa;color:#172b4d}
.unlock-wrap{width:min(100%,960px)}
.unlock-brand{display:flex;align-items:center;gap:11px;margin:0 0 24px;font-size:14px;font-weight:600;color:#334660}
.unlock-brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:#203b65;color:#fff;font:700 15px/1 Consolas,monospace}
.unlock-brand-divider{margin:0 10px;color:#a0acbd;font-weight:400}
.unlock-layout{display:grid;grid-template-columns:1fr 1fr;overflow:hidden;background:#fff;border:1px solid #dfe5ee;border-radius:18px;box-shadow:0 16px 48px #18345808,0 2px 6px #18345803}
.unlock-intro{padding:48px;background:#eef3fa;border-right:1px solid #e1e8f2}
.unlock-eyebrow{display:block;color:#48678f;font:600 11px/1.5 Consolas,"SFMono-Regular",monospace;letter-spacing:1.8px;margin-bottom:22px}
.unlock-intro h1{font-size:34px;line-height:1.4;letter-spacing:-.8px;color:#1a3153;margin:0 0 18px;font-weight:700}
.unlock-description{font-size:14px;line-height:1.9;color:#5b6c83;margin:0}
.unlock-topics{list-style:none;padding:0;margin:30px 0;display:flex;flex-wrap:wrap;gap:12px 20px}
.unlock-topics li{font-size:12px;color:#455e7e;white-space:nowrap}
.unlock-topics li span{display:block;color:#7085a1;font:11px/1.8 Consolas,monospace;margin-bottom:3px}
.unlock-intro-note{display:flex;align-items:center;gap:9px;border-top:1px solid #d9e2ef;padding-top:20px;font-size:12px;color:#61738d}
.unlock-intro-note span{font:600 17px/1 Consolas,monospace;color:#52749f}
.unlock-card{min-width:0;padding:48px 40px 32px}
.unlock-lock{display:grid;place-items:center;width:46px;height:46px;border:1px solid #e0e9f8;border-radius:12px;background:#f3f7ff;color:#3466ba;margin-bottom:21px}
.unlock-card h2{margin:0 0 8px;font-size:24px;line-height:1.4;font-weight:650;letter-spacing:-.4px;color:#1d2c44}
.unlock-form-description{margin:0;color:#65738a;font-size:13px;line-height:1.8}
.unlock-card label{display:block;margin:28px 0 9px;color:#34445c;font-size:13px;font-weight:600}
.unlock-card input{width:100%;height:48px;padding:11px 14px;border:1px solid #cbd5e3;border-radius:8px;background:#fff;color:#1d2c44;font-size:16px;transition:border-color .15s,box-shadow .15s}
.unlock-card input::placeholder{color:#7d899b;font-size:14px}
.unlock-card input:hover:not(:disabled){border-color:#9badc7}
.unlock-card input:focus-visible{border-color:#3570db;outline:3px solid #dbe8ff;outline-offset:1px}
.unlock-card input:disabled{background:#f4f6f9;color:#778397;cursor:not-allowed}
.unlock-card button{display:block;width:100%;min-height:48px;margin-top:18px;padding:11px 18px;border:1px solid #245bce;border-radius:8px;background:#2863d8;color:#fff;font-size:14px;font-weight:600;box-shadow:0 2px 3px #1e4fa514;transition:background .15s,box-shadow .15s}
.unlock-card button:hover:not(:disabled){background:#1d53bd;box-shadow:0 3px 8px #1e4fa526}
.unlock-card button:active:not(:disabled){background:#1949aa;box-shadow:none}
.unlock-card button:focus-visible{outline:3px solid #9bbdff;outline-offset:3px}
.unlock-card button:disabled{background:#718ab5;border-color:#718ab5;box-shadow:none;cursor:wait}
#unlock-error{min-height:22px;margin:10px 0 16px;color:#b42318;font-size:12px;line-height:1.7;overflow-wrap:anywhere}
#unlock-error:not(:empty){padding:9px 11px;border:1px solid #f4d0cb;border-radius:6px;background:#fff5f3}
.unlock-card:has(#unlock-error:not(:empty)) input{border-color:#cf6258}
.unlock-help{margin:0;padding-top:17px;border-top:1px solid #edf0f4;color:#68778c;font-size:12px;line-height:1.8}
.unlock-footer{display:flex;align-items:center;justify-content:center;gap:7px;color:#748198;font-size:12px;margin:22px 0 0}
@media(max-width:760px){.unlock-panel{padding:28px 18px}.unlock-wrap{max-width:480px}.unlock-brand{font-size:12px;margin-bottom:18px}.unlock-brand-divider{margin:0 6px}.unlock-layout{grid-template-columns:1fr;border-radius:14px}.unlock-intro{padding:28px;border-right:0;border-bottom:1px solid #e1e8f2}.unlock-eyebrow{font-size:10px;margin-bottom:14px}.unlock-intro h1{font-size:28px;margin-bottom:12px}.unlock-intro h1 br{display:none}.unlock-description{font-size:13px}.unlock-topics{margin:20px 0 0;gap:18px}.unlock-topics li span{display:inline;margin-right:6px}.unlock-intro-note{display:none}.unlock-card{padding:28px}.unlock-lock{width:38px;height:38px;margin-bottom:16px;border-radius:10px}.unlock-card h2{font-size:22px}.unlock-card label{margin-top:23px}.unlock-footer{margin-top:18px}}
@media(max-width:360px){.unlock-panel{padding:20px 12px}.unlock-intro,.unlock-card{padding:24px 20px}.unlock-intro h1{font-size:25px}.unlock-topics{gap:12px}}