:root{--bg: #f7f9fc;--panel: #ffffff;--panel-strong: #ffffff;--border: #dbe4ec;--text: #0d1721;--muted: #667788;--accent: #16a765;--accent-soft: rgba(22, 167, 101, .12);--shadow: 0 18px 40px rgba(15, 23, 42, .08);--radius: 18px;--sidebar-width: 260px;color-scheme:light;font-family:Inter,Segoe UI,sans-serif}:root[data-theme=dark]{--bg: #05090c;--panel: #081014;--panel-strong: #091217;--border: #162127;--text: #edf2f6;--muted: #8f9ca7;--accent: #16c47f;--accent-soft: rgba(22, 196, 127, .12);--shadow: 0 18px 40px rgba(0, 0, 0, .35);color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth}html,body{height:100%}body{margin:0;color:var(--text);background:var(--bg);overflow:hidden}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:60;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--panel) 92%,transparent);backdrop-filter:blur(12px)}.site-header-inner{display:grid;grid-template-columns:minmax(240px,var(--sidebar-width)) minmax(0,1fr);align-items:center;gap:14px;max-width:100%;margin:0;padding:7px 0}.site-brand{display:inline-flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:3px;flex-shrink:0;padding:0 10px 0 24px}.site-brand-mark{display:block;width:150px;height:23px}.site-brand small{display:block;color:var(--muted);font-size:.82rem;font-weight:500;line-height:1.1;margin-left:2px}.site-header-right{display:flex;align-items:center;justify-content:flex-end;gap:10px;min-width:0;padding:0 16px 0 0}.site-nav{display:flex;align-items:center;gap:6px;justify-content:flex-end;min-width:0}.site-nav-link{padding:6px 10px;border-radius:10px;color:var(--muted);font-size:.86rem;font-weight:600}.site-nav-link.active,.site-nav-link:hover{color:var(--text);background:color-mix(in srgb,var(--text) 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8px}.search-label{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.search-input-wrap{position:relative}.search-icon{position:absolute;left:14px;top:50%;width:18px;height:18px;transform:translateY(-50%);color:#7d8a95}.search-input{width:100%;min-height:42px;padding:0 54px 0 40px;border:1px solid #143126;border-radius:14px;background:var(--panel);color:var(--text);font:inherit}.search-shortcut{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:#72808b;font-size:.76rem}.search-results{position:absolute;top:calc(100% + 8px);left:8px;right:8px;z-index:30;display:grid;gap:8px;max-height:min(60vh,420px);overflow:auto;padding:10px;border:1px solid var(--border);border-radius:14px;background:var(--panel);box-shadow:var(--shadow)}.search-result{display:grid;gap:3px;padding:10px 12px;border-radius:12px}.search-result strong{display:block;color:var(--text)}.search-result span,.search-result 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var(--border)}.sidebar-language{position:relative}.sidebar-language summary{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 12px;border:1px solid var(--border);border-radius:999px;background:var(--panel);color:var(--text);font:inherit;cursor:pointer;list-style:none}.sidebar-language summary::-webkit-details-marker{display:none}.sidebar-language svg{width:14px;height:14px;color:var(--muted)}.sidebar-language-menu{position:absolute;bottom:calc(100% + 8px);left:0;display:grid;gap:4px;min-width:132px;padding:8px;border:1px solid var(--border);border-radius:12px;background:var(--panel);box-shadow:var(--shadow)}.sidebar-language-menu a{padding:8px 10px;border-radius:8px;color:var(--muted)}.sidebar-language-menu a.active,.sidebar-language-menu a:hover{color:var(--text);background:color-mix(in srgb,var(--text) 5%,transparent)}.sidebar-theme-switch{display:inline-flex;align-items:center;gap:2px;padding:2px;border:1px solid var(--border);border-radius:999px;background:var(--panel)}.sidebar-theme-button{display:inline-grid;place-items:center;width:34px;height:34px;border:0;border-radius:999px;background:transparent;color:var(--muted);cursor:pointer}.sidebar-theme-button svg{width:15px;height:15px}.sidebar-theme-button[data-theme-value=dark]{color:#4b5563}:root[data-theme=light] .sidebar-theme-button[data-theme-value=light],:root[data-theme=dark] .sidebar-theme-button[data-theme-value=dark]{background:color-mix(in srgb,var(--text) 10%,transparent);color:var(--text)}:root[data-theme=dark] .sidebar-theme-button[data-theme-value=dark]{background:#111a20;color:#f5c84c}.content-shell{height:100%;overflow-y:auto;padding:26px 30px 30px}.page-header{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:40px;align-items:start;max-width:1480px;margin:0 auto 26px}.page-header-main{min-width:0}.page-header-row{display:flex;align-items:center;gap:14px}.page-header h1{margin:8px 0 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