:root{color-scheme:light;--bg: #f6f8fa;--bg-elevated: #ffffff;--surface: #ffffff;--surface-soft: #f6f8fa;--text: #1f2328;--text-muted: #59636e;--heading: #1f2328;--border: #d0d7de;--border-strong: #afb8c1;--accent: #0969da;--accent-bright: #0550ae;--accent-soft: #ddf4ff;--code-bg: #eff1f3;--header: #25292e;--header-text: #f0f6fc;--shadow: 0 1px 2px rgba(31, 35, 40, 0.04);--shadow-soft: 0 1px 3px rgba(31, 35, 40, 0.08);--radius: 6px;--header-height: 72px}:root[data-theme="dark"]{color-scheme:dark;--bg: #0d1117;--bg-elevated: #0d1117;--surface: #161b22;--surface-soft: #161b22;--text: #e6edf3;--text-muted: #8d96a0;--heading: #f0f6fc;--border: #30363d;--border-strong: #484f58;--accent: #4493f8;--accent-bright: #58a6ff;--accent-soft: #13233a;--code-bg: #161b22;--header: #010409;--header-text: #f0f6fc;--shadow: none;--shadow-soft: 0 1px 3px rgba(0, 0, 0, 0.32)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-height) + 24px)}body{margin:0;min-width:320px;background:var(--bg);color:var(--text);font-family:Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;font-size:16px;line-height:1.7;text-rendering:optimizeLegibility}a{color:var(--accent);text-underline-offset:0.18em;text-decoration-thickness:0.08em}a:hover{color:var(--accent-bright)}.skip-link{position:fixed;z-index:1000;top:8px;left:8px;padding:8px 12px;border-radius:8px;background:var(--surface);transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.reading-progress{position:fixed;z-index:110;inset:0 0 auto;height:3px;background:transparent}.reading-progress span{display:block;width:0;height:100%;background:var(--accent)}.site-header{position:sticky;z-index:100;top:0;min-height:var(--header-height);border-bottom:1px solid rgba(255,255,255,0.1);background:var(--header);color:var(--header-text)}.header-inner{display:flex;align-items:center;width:min(1460px, calc(100% - 40px));min-height:var(--header-height);margin:0 auto;gap:24px}.brand{display:inline-flex;flex:0 0 auto;align-items:center;gap:10px;color:var(--header-text);line-height:1.05;text-decoration:none}.brand:hover{color:#ffffff}.brand-mark{display:grid;width:40px;height:40px;place-items:center;border:1px solid rgba(255,255,255,0.15);border-radius:6px;background:rgba(255,255,255,0.08);font-size:21px}.brand-copy{display:grid;gap:2px}.brand-copy strong{font-size:14px;letter-spacing:0.01em}.brand-copy small{color:#9fb6ce;font-size:11px;letter-spacing:0.12em;text-transform:uppercase}.primary-nav{display:flex;align-items:center;gap:4px}.primary-nav a{padding:8px 10px;border-radius:9px;color:#b8c9da;font-size:14px;font-weight:600;text-decoration:none}.primary-nav a:hover,.primary-nav a[aria-current="page"]{background:rgba(255,255,255,0.08);color:#ffffff}.header-actions{display:flex;align-items:center;margin-left:auto;gap:9px}.site-search{display:flex;align-items:center;width:min(280px, 24vw);height:40px;padding:0 10px;gap:8px;border:1px solid rgba(255,255,255,0.15);border-radius:11px;background:rgba(255,255,255,0.07);color:#9fb6ce}.site-search:focus-within{border-color:#58a6ff;box-shadow:0 0 0 3px rgba(88,166,255,0.18)}.site-search input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:#ffffff;font:inherit;font-size:13px}.site-search input::placeholder{color:#8da3ba}.site-search kbd{padding:1px 5px;border:1px solid rgba(255,255,255,0.16);border-radius:5px;color:#91a7bd;font:10px/1.5 ui-monospace, monospace}.icon-button,.github-button{height:40px;border:1px solid rgba(255,255,255,0.15);border-radius:6px;background:rgba(255,255,255,0.07);color:#eaf5ff}.icon-button{display:inline-grid;width:40px;place-items:center;cursor:pointer;font-size:17px}.github-button{display:inline-flex;flex:0 0 auto;align-items:center;justify-content:center;gap:6px;padding:0 13px;font-size:13px;font-weight:700;text-decoration:none;white-space:nowrap}.icon-button:hover,.github-button:hover{border-color:rgba(255,255,255,0.28);background:rgba(255,255,255,0.12);color:#ffffff}:root[data-theme="light"] .theme-light,:root[data-theme="dark"] .theme-dark{display:none}.page-shell{display:grid;grid-template-columns:230px minmax(0, 1040px);justify-content:center;width:min(1480px, calc(100% - 40px));margin:34px auto 70px;gap:30px}.page-shell.no-sidebar{grid-template-columns:minmax(0, 1040px)}.sidebar{min-width:0}.sidebar-inner{position:sticky;top:calc(var(--header-height) + 26px);max-height:calc(100vh - var(--header-height) - 52px);overflow:auto;padding:4px 14px 20px 2px;scrollbar-width:thin}.sidebar-label{margin:0 0 10px 11px;color:var(--text-muted);font-size:11px;font-weight:800;letter-spacing:0.13em;text-transform:uppercase}#page-toc{display:grid;gap:2px}#page-toc a{display:block;padding:6px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;color:var(--text-muted);font-size:13px;line-height:1.35;text-decoration:none}#page-toc a[data-level="3"]{padding-left:22px;font-size:12px}#page-toc a:hover,#page-toc a.is-active{border-left-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.markdown-body{min-width:0;padding:clamp(26px, 4vw, 58px);border:1px solid var(--border);border-radius:6px;background:var(--bg-elevated);box-shadow:var(--shadow);overflow-wrap:anywhere}.markdown-body>p:first-of-type{margin-top:0}.markdown-body>p:first-of-type img[src*="satellite-network-banner"]{display:block;width:100%;max-height:390px;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-soft);object-fit:cover}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{color:var(--heading);line-height:1.25;scroll-margin-top:calc(var(--header-height) + 24px)}.markdown-body h1{margin:28px 0 12px;color:var(--heading);font-size:clamp(2.15rem, 5vw, 3.6rem);letter-spacing:-0.035em}.markdown-body h2{margin:64px 0 20px;padding-bottom:10px;border-bottom:1px solid var(--border);font-size:clamp(1.55rem, 3vw, 2.05rem);letter-spacing:-0.025em}.markdown-body h3{margin:38px 0 12px;font-size:1.28rem}.markdown-body h4{margin:30px 0 10px;color:var(--heading);font-size:1.02rem;letter-spacing:0.01em}.markdown-body p{margin:0 0 16px}.markdown-body strong{color:var(--heading)}.markdown-body img{max-width:100%}.markdown-body p[align="center"] img:not([src*="satellite-network-banner"]){display:inline-block;width:auto;margin:3px 2px}.markdown-body ul,.markdown-body ol{margin:10px 0 22px;padding-left:1.35rem}.markdown-body li{padding:6px 4px}.markdown-body li::marker{color:var(--accent)}.markdown-body code{padding:0.16em 0.42em;border:1px solid var(--border);border-radius:6px;background:var(--code-bg);color:var(--text);font:0.86em/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}.markdown-body pre{overflow:auto;padding:18px 20px;border:1px solid var(--border);border-radius:14px;background:var(--code-bg)}.markdown-body pre code{padding:0;border:0;background:transparent;color:var(--text)}.markdown-body table{display:table;width:100%;margin:18px 0 28px;border-spacing:10px;border-collapse:separate;table-layout:fixed}.markdown-body td,.markdown-body th{padding:16px 14px;border:1px solid var(--border);border-radius:6px;background:var(--surface-soft);box-shadow:0 5px 16px rgba(31,51,79,0.04)}.markdown-body td:hover{border-color:var(--border-strong);background:var(--surface)}.markdown-body td strong{font-size:1.02rem}.markdown-body td sub{color:var(--text-muted);font-size:0.79rem}.markdown-body details{margin:12px 0;border:1px solid var(--border);border-radius:6px;background:var(--surface);box-shadow:0 4px 16px rgba(31,51,79,0.04)}.markdown-body summary{padding:14px 16px;cursor:pointer;color:var(--heading);list-style-position:inside}.markdown-body details[open] summary{border-bottom:1px solid var(--border);background:var(--surface-soft)}.markdown-body details>ul,.markdown-body details>ol{margin:10px 18px 18px}.markdown-body blockquote{margin:20px 0;padding:10px 18px;border-left:4px solid var(--accent);border-radius:0 10px 10px 0;background:var(--surface-soft);color:var(--text-muted)}.search-status{position:sticky;z-index:20;top:calc(var(--header-height) + 12px);margin:-14px 0 22px;padding:10px 14px;border:1px solid var(--border-strong);border-radius:10px;background:var(--surface);color:var(--text-muted);box-shadow:var(--shadow-soft);font-size:13px}[data-search-hidden="true"]{display:none !important}.search-match{border-radius:7px;background:#fff8c5}:root[data-theme="dark"] .search-match{background:#3b2e00}.site-footer{display:flex;justify-content:space-between;width:min(1040px, calc(100% - 40px));margin:0 auto 44px;padding-top:24px;border-top:1px solid var(--border);color:var(--text-muted);font-size:13px}.site-footer>div:first-child{display:grid}.site-footer strong{color:var(--heading)}.footer-links{display:flex;gap:18px}.back-to-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border:1px solid var(--border-strong);border-radius:50%;background:var(--surface);color:var(--heading);box-shadow:var(--shadow-soft);cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity 160ms ease, transform 160ms ease}.back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}@media (max-width: 1120px){.primary-nav{display:none}.page-shell{grid-template-columns:200px minmax(0, 1fr)}}@media (max-width: 860px){:root{--header-height: 64px}.header-inner{width:min(100% - 24px, 740px);gap:12px}.brand-copy,.github-button,.site-search kbd{display:none}.site-search{width:min(320px, calc(100vw - 138px))}.page-shell{display:block;width:min(100% - 24px, 760px);margin-top:18px}.sidebar{display:none}.markdown-body{padding:clamp(20px, 5vw, 38px);border-radius:18px}.markdown-body h1{font-size:clamp(2rem, 10vw, 3.1rem)}.markdown-body table{display:block;overflow-x:auto;table-layout:auto}.site-footer{display:grid;gap:18px}}@media (max-width: 560px){.site-search{width:min(230px, calc(100vw - 126px))}.markdown-body{padding:18px}.markdown-body table,.markdown-body tbody,.markdown-body tr,.markdown-body td{display:block;width:100% !important}.markdown-body table{border-spacing:0}.markdown-body td{margin:8px 0}.footer-links{flex-wrap:wrap}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:0.01ms !important;animation-duration:0.01ms !important;animation-iteration-count:1 !important}}