:root{color-scheme:light;--bg:#fff;--ink:#282b30;--muted:#626a73;--line:#e4e7eb;--soft:#f5f6f7;--blue:#5277a5;--blue-dark:#34577f;--accent:#7aa2cc;--code:#f2f4f6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font:15px/1.72 system-ui,-apple-system,"Segoe UI","Noto Sans CJK SC",sans-serif}a{color:var(--blue-dark);text-decoration:none}a:hover{color:#173c68;text-decoration:underline}.topbar{height:64px;position:sticky;top:0;z-index:8;display:flex;align-items:center;gap:34px;padding:0 28px;background:#fff;border-bottom:1px solid var(--line)}.logo{display:flex;align-items:center;gap:10px;min-width:206px;color:var(--ink)}.logo:hover{text-decoration:none}.logo-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:7px;color:#fff;font-weight:800;font-size:20px;background:linear-gradient(145deg,#5277a5,#263d5a)}.logo b{display:block;font-size:15px;line-height:1.05}.logo small{display:block;color:#87909a;letter-spacing:.13em;font:9px/1.5 ui-monospace,monospace}.topbar nav{display:flex;gap:27px;flex:1}.topbar nav a,.github{font-size:13px;color:#4c535b}.github{white-space:nowrap}.theme-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:5px;background:#fff;color:#626a73;padding:7px 10px;font:12px/1 system-ui;cursor:pointer;white-space:nowrap}.theme-btn:hover{border-color:var(--blue);color:var(--blue-dark)}.theme-btn .i-dark{display:none}html[data-theme="dark"] .theme-btn .i-dark{display:inline}html[data-theme="dark"] .theme-btn .i-light{display:none}.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:5px;padding:6px 10px;color:var(--ink);white-space:nowrap}.layout{display:grid;grid-template-columns:290px minmax(0,1fr);min-height:calc(100vh - 64px)}.sidebar{position:sticky;top:64px;height:calc(100vh - 64px);overflow:auto;border-right:1px solid var(--line);padding:20px 14px 24px 22px;background:#fcfcfd}.side-label{font-size:11px;font-weight:700;color:#6b737c;letter-spacing:.06em;margin:0 0 12px 5px}.searchbox{height:36px;border:1px solid #dfe3e8;border-radius:5px;background:#fff;display:flex;align-items:center;gap:7px;padding:0 8px;margin-bottom:12px;color:#79838e}.searchbox input{min-width:0;flex:1;border:0;outline:0;background:transparent;font:12px system-ui}.searchbox kbd{font:10px ui-monospace;color:#77808a;border:1px solid var(--line);border-radius:3px;padding:1px 4px}.sidebar details{margin:2px 0}.sidebar summary{list-style:none;cursor:pointer;padding:7px 6px;color:#4b545e;font-size:12px;font-weight:700;display:flex;justify-content:space-between}.sidebar summary::-webkit-details-marker{display:none}.sidebar summary span{font:10px ui-monospace;color:#a0a7ae}.side-items{display:grid;gap:1px;margin:1px 0 7px}.side-link{display:block;padding:5px 8px 5px 13px;border-left:2px solid transparent;border-radius:0 3px 3px 0;color:#545c65;font-size:11px;line-height:1.45;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.side-link:hover{background:#edf2f7;text-decoration:none;color:#273d57}.side-link.selected{background:#eaf0f6;border-left-color:var(--blue);color:#274c74;font-weight:700}.sidebar-foot{border-top:1px solid var(--line);padding:14px 5px 0;margin-top:17px;color:#7c838b;font-size:10px}.sidebar-foot a{display:inline-block;margin-top:5px}.search-results{display:none;max-height:55vh;overflow:auto;border-bottom:1px solid var(--line);margin-bottom:8px}.search-results.show{display:block}.search-result{padding:7px 6px;display:block;border-radius:4px}.search-result:hover{background:#edf2f7;text-decoration:none}.search-result b{font-size:11px;display:block}.search-result small{color:#76808a;font-size:10px}main{min-width:0}.content{max-width:970px;margin:0 auto;padding:30px 52px 40px}.breadcrumbs{color:#8a9199;font-size:11px;margin-bottom:24px}.breadcrumbs span{padding:0 7px;color:#b1b6bc}.breadcrumbs a{color:#697583}article h1{font-size:36px;line-height:1.25;letter-spacing:-.04em;margin:0 0 8px;font-weight:650;color:#25292e}article h2{font-size:25px;line-height:1.35;margin:48px 0 16px;padding-bottom:9px;border-bottom:1px solid var(--line);font-weight:620}article h3{font-size:19px;margin:32px 0 11px;font-weight:620}article h4{font-size:16px;margin:24px 0 8px}article p{margin:13px 0}article ul,article ol{padding-left:25px}article li{margin:5px 0}article blockquote{margin:22px 0;padding:10px 17px;border-left:3px solid #8aa6c3;background:#f6f8fa;color:#535c66}article table{border-collapse:collapse;width:100%;display:block;overflow:auto;font-size:13px;margin:22px 0}article th,article td{border:1px solid #dfe3e8;padding:8px 11px;text-align:left;vertical-align:top}article th{background:#f3f5f7;font-weight:650}article pre{overflow:auto;padding:16px 18px;border:1px solid #e5e8ec;border-radius:5px;background:#f7f8f9;font:12px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;color:#303943}article code{font:0.88em ui-monospace,SFMono-Regular,Consolas,monospace;color:#344d68;background:#f0f2f4;border-radius:3px;padding:2px 4px}article pre code{font:inherit;color:inherit;background:none;padding:0}article hr{border:0;border-top:1px solid var(--line);margin:32px 0}.full-doc{border:1px solid var(--line);border-radius:5px;margin:22px 0}.full-doc summary{cursor:pointer;padding:10px 13px;background:#f7f8f9;color:var(--blue-dark);font-size:12px;font-weight:650}.full-doc>h1{display:none}.full-doc[open]{padding:0 16px 16px}.full-doc[open] summary{margin:0 -16px 15px}.doc-meta{display:flex;justify-content:space-between;gap:16px;color:#8a929a;font-size:11px;padding-bottom:21px;margin-bottom:22px;border-bottom:1px solid var(--line)}.doc-meta a{font-size:11px}.page-foot{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding-top:16px;margin-top:65px;color:#858c94;font-size:10px}.hero{padding:48px 0 38px;border-bottom:1px solid var(--line)}.hero .lead{font-size:18px;color:#56616c;max-width:740px}.hero .actions{display:flex;gap:10px;margin:22px 0 0}.button{display:inline-block;padding:9px 14px;border-radius:5px;background:#416b98;color:#fff;font-size:13px;font-weight:650}.button:hover{background:#304f73;color:#fff;text-decoration:none}.button.secondary{background:#fff;color:#34577f;border:1px solid #cad3dd}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:20px 0 30px}.card{display:block;padding:17px 18px;border:1px solid #e0e4e9;border-radius:6px;color:var(--ink);background:#fff}.card:hover{border-color:#a9bbce;box-shadow:0 3px 12px #1a365414;text-decoration:none}.card b{display:block;color:#34577f;font-size:14px;margin-bottom:4px}.card span{display:block;color:#69737d;font-size:12px;line-height:1.55}.stats{display:flex;gap:10px;margin:21px 0}.stat{border:1px solid var(--line);padding:10px 14px;min-width:112px;border-radius:5px}.stat b{display:block;font-size:20px;color:#34577f}.stat span{font-size:10px;color:#727a83}.callout{padding:14px 17px;border:1px solid #d7e1eb;border-radius:5px;background:#f5f8fb;margin:20px 0}.search-page input{width:100%;padding:11px 13px;border:1px solid #d8dde3;border-radius:5px;font:14px system-ui}.doc-list{padding:0;list-style:none}.doc-list li{padding:11px 0;border-bottom:1px solid #edf0f2;margin:0}.doc-list a{font-weight:620}.doc-list small{display:block;color:#7b838b;font-size:11px}.hidden{display:none!important}.search-empty{display:block;padding:8px;color:#78818b}html[data-theme="dark"] .search-empty{color:#98a2ac}
html[data-theme="dark"]{color-scheme:dark;--bg:#181a1d;--ink:#e3e6e8;--muted:#a5adb5;--line:#343940;--soft:#22262b;--blue:#94b8df;--blue-dark:#a8c7eb;--accent:#87abd2;--code:#24282d;background:#181a1d;color:var(--ink)}html[data-theme="dark"] body{background:var(--bg);color:var(--ink)}html[data-theme="dark"] .topbar{background:#1e2125;border-color:var(--line)}html[data-theme="dark"] .topbar nav a,html[data-theme="dark"] .github{color:#c0c6cc}html[data-theme="dark"] .logo{color:var(--ink)}html[data-theme="dark"] .sidebar{background:#1b1e22;border-color:var(--line)}html[data-theme="dark"] .side-label,html[data-theme="dark"] .sidebar summary{color:#d2d8de}html[data-theme="dark"] .side-link{color:#c2c9d0}html[data-theme="dark"] .side-link:hover,html[data-theme="dark"] .search-result:hover{background:#292e34;color:#ecf1f5}html[data-theme="dark"] .side-link.selected{background:#283442;border-left-color:#89acd3;color:#d1e3f7}html[data-theme="dark"] .searchbox,html[data-theme="dark"] .searchbox input,html[data-theme="dark"] .theme-btn,html[data-theme="dark"] .menu-btn{background:#202429;color:var(--ink);border-color:#424950}html[data-theme="dark"] .search-results{border-color:var(--line)}html[data-theme="dark"] .search-result b{color:#d3e1f0}html[data-theme="dark"] article h1,html[data-theme="dark"] article h2,html[data-theme="dark"] article h3,html[data-theme="dark"] article h4{color:#e5e9ec}html[data-theme="dark"] article h2{border-color:var(--line)}html[data-theme="dark"] article blockquote{background:#20262c;color:#c5ccd3}html[data-theme="dark"] article th{background:#242a30}html[data-theme="dark"] article td,html[data-theme="dark"] article th{border-color:#41474e}html[data-theme="dark"] article pre{background:#121518;border-color:#353b41;color:#d6dce2}html[data-theme="dark"] article code{background:#252b31;color:#c5dcf3}html[data-theme="dark"] article pre code{background:none;color:inherit}html[data-theme="dark"] .callout{background:#202833;border-color:#37485a;color:#d0d9e2}html[data-theme="dark"] .full-doc{border-color:var(--line)}html[data-theme="dark"] .full-doc summary{background:#202429;color:var(--blue)}html[data-theme="dark"] .doc-meta,html[data-theme="dark"] .page-foot{border-color:var(--line);color:#9da6ae}html[data-theme="dark"] .breadcrumbs{color:#a5adb5}html[data-theme="dark"] .breadcrumbs a{color:#afc5dc}html[data-theme="dark"] .stats .stat,html[data-theme="dark"] .card{background:#1e2227;border-color:var(--line);color:var(--ink)}html[data-theme="dark"] .card b,html[data-theme="dark"] .stat b{color:var(--blue)}html[data-theme="dark"] .card span,html[data-theme="dark"] .stat span{color:var(--muted)}html[data-theme="dark"] .hero{border-color:var(--line)}html[data-theme="dark"] .hero .lead{color:#b5bdc5}html[data-theme="dark"] .button{background:#3f648c;color:#fff}html[data-theme="dark"] .button.secondary{background:#202429;color:#a8c7eb;border-color:#424950}html[data-theme="dark"] .doc-list li,html[data-theme="dark"] .search-page input{border-color:var(--line)}html[data-theme="dark"] .search-page input{background:#202429;color:var(--ink)}html[data-theme="dark"] .sidebar-foot,html[data-theme="dark"] .sidebar summary span,html[data-theme="dark"] .search-result small{color:#8f99a3}html[data-theme="dark"] a:hover{color:#cfe2f5}html[data-theme="dark"] .logo small{color:#8f99a3}
@media(max-width:900px){.topbar{gap:15px;padding:0 16px}.logo{min-width:160px}.topbar nav{gap:14px}.layout{grid-template-columns:250px minmax(0,1fr)}.content{padding:25px 30px}.sidebar{padding-left:13px}}
@media(max-width:680px){.topbar{height:58px;gap:9px;padding:0 12px}.logo{min-width:0}.logo small{display:none}.logo b{font-size:14px}.github{font-size:12px}.theme-btn{padding:6px 8px;font-size:11px}.menu-btn{padding:6px 8px;font-size:12px}.topbar nav{display:none}.github{margin-left:auto}.menu-btn{display:block}.layout{display:block;min-height:calc(100vh - 58px)}.sidebar{display:none;position:fixed;z-index:10;top:58px;left:0;bottom:0;width:min(330px,88vw);height:auto;box-shadow:10px 0 30px #14223520}.sidebar.open{display:block}.content{padding:23px 19px}.breadcrumbs{margin-bottom:18px}article h1{font-size:30px}article h2{font-size:22px;margin-top:38px}.cards{grid-template-columns:1fr}.page-foot{flex-direction:column}.doc-meta{align-items:flex-start;flex-direction:column}.stats{flex-wrap:wrap}}