:root {
  color-scheme: dark;
  --ink: #f2f5ff;
  --muted: #9ba8c7;
  --line: rgba(165, 184, 235, .18);
  --surface: #11182a;
  --surface-2: #151f35;
  --pink: #ff8ec9;
  --green: #8ee6a9;
  --blue: #78c9ff;
  --yellow: #ffd166;
  --red: #ff8790;
  --gutter: clamp(18px, 4.6vw, 72px);
  font-family: "PingFang SC", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: #090d18; }
body { margin: 0; color: var(--ink); background: radial-gradient(80vw 58vw at 98% -5%, #222852 0%, transparent 60%), #090d18; }
a { color: inherit; }

.site-header { position: sticky; top: 0; z-index: 20; height: 60px; padding: 0 var(--gutter); display: flex; align-items: center; gap:14px; border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); background: rgba(9, 13, 24, .75); }
.brand { text-decoration: none; font-weight: 800; letter-spacing: -.03em; }
.brand span { color: var(--pink); }
.character-switch select { appearance:none; border:1px solid var(--line); border-radius:8px; padding:6px 25px 6px 9px; color:var(--ink); background:linear-gradient(45deg,transparent 50%,var(--muted) 50%) calc(100% - 11px) 50%/5px 5px no-repeat,#11182a; font:650 12px inherit; cursor:pointer; }
.site-header nav { display: flex; gap: clamp(12px, 3vw, 28px); overflow-x: auto; margin-left:auto; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: 13px; white-space: nowrap; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.header-pin,.pin-button { border:1px solid var(--line); border-radius:8px; background:#11182a; color:var(--muted); font:750 12px inherit; cursor:pointer; }.header-pin { padding:6px 9px; white-space:nowrap; }.header-pin span { color:var(--pink); }.pin-button { margin-left:auto; padding:4px 7px; }.pin-button:hover,.pin-button.is-pinned { color:#351126; border-color:var(--pink); background:var(--pink); }
.site-header nav a:hover { color: var(--ink); }

.page { max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter) 96px; }
.floating-toc { position:fixed; top:78px; right:18px; z-index:25; width:178px; max-height:calc(100svh - 104px); color:var(--muted); font-size:12px; }
.floating-toc details { border:1px solid var(--line); border-radius:14px; background:rgba(12,17,31,.86); backdrop-filter:blur(18px); box-shadow:0 18px 46px rgba(0,0,0,.24); overflow:hidden; }
.floating-toc summary { list-style:none; cursor:pointer; padding:10px 12px; color:var(--pink); font-weight:900; letter-spacing:.08em; }
.floating-toc summary::-webkit-details-marker { display:none; }
.floating-toc nav { display:flex; flex-direction:column; gap:2px; max-height:calc(100svh - 156px); padding:0 8px 10px; overflow:auto; }
.floating-toc a { text-decoration:none; color:var(--muted); border-radius:8px; padding:6px 7px; line-height:1.25; }
.floating-toc a:hover { color:var(--ink); background:rgba(255,255,255,.06); }
.floating-toc .toc-level-2 { color:var(--ink); font-weight:850; margin-top:4px; }
.floating-toc .toc-level-3 { padding-left:16px; font-size:11px; }
.pin-tray { max-width:1180px; margin:0 auto; padding:18px var(--gutter) 0; scroll-margin-top:70px; }.pin-tray__head { display:flex; justify-content:space-between; align-items:center; color:var(--pink); font-size:13px; font-weight:850; letter-spacing:.08em; padding:0 0 10px; }.pin-tray__head button { border:0; color:var(--muted); background:none; font:inherit; cursor:pointer; }.pin-tray__list { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; }.pinned-copy { margin:0; }.pinned-copy .route-input { transform:scale(.9); transform-origin:left center; margin-right:-8%; }.pinned-copy .tree__branches { grid-template-columns:1fr; }
.hero { padding: 22px 0 18px; border-bottom: 1px solid var(--line); }
.eyebrow { color: var(--pink); font-size: 13px; font-weight: 800; letter-spacing: .13em; }
.hero h1 { font-size: clamp(24px, 2.5vw, 32px); line-height: 1; letter-spacing: -.045em; white-space: nowrap; margin: 5px 0 0; }
.hero__title { display:flex; align-items:center; gap:12px; }.hero__title > img { width:44px; height:44px; object-fit:cover; border-radius:11px; border:1px solid rgba(255,142,201,.6); }
.hero p { max-width: 32rem; color: var(--muted); font-size: clamp(15px, 2vw, 18px); line-height: 1.75; }

.section { padding: 70px 0 8px; scroll-margin-top: 60px; }
.section__head { display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin-bottom: 22px; }
.section h2 { font-size: clamp(20px, 2.3vw, 26px); line-height: 1.1; letter-spacing: -.035em; margin: 0; white-space: nowrap; }
.section__index { color: var(--pink); font: 700 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.section > .source-note { color: var(--muted); margin: -7px 0 24px; font-size: 13px; }
.subsection-title { margin: 34px 0 0; color: var(--pink); font-size: 17px; letter-spacing: -.02em; scroll-margin-top: 70px; }

.route-card { margin: 12px 0; padding: 20px 18px 18px; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(90deg, rgba(255,142,201,.07), transparent 36%); }
.route-head { display:flex; align-items:baseline; gap:10px; flex-wrap: wrap; }
.route-head h3, .tree h3, .description h3 { margin: 0; font-size: 18px; letter-spacing: -.02em; }
.route-index { color: var(--pink); font: 800 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.tag { display:inline-flex; align-items:center; border-radius:999px; padding:4px 8px; font-size:11px; font-weight:800; letter-spacing:.02em; }.tag-green { color:#b7ffc8; background:#1d623f; }.tag-muted { color:#c7d0e9; background:#384158; }
.route-meta { display:flex; flex-wrap:wrap; gap: 7px 10px; color: var(--muted); margin: 8px 0 14px; font-size: 13px; }
.route-meta b { color: var(--ink); font-weight: 650; }
.route-input { display:flex; flex-wrap:wrap; align-items:center; gap:7px; min-height:42px; padding:2px 0 5px; }
.arrow { color: var(--muted); font-size: 19px; margin: 0 1px; }
.motion { display:inline-flex; flex:0 0 auto; flex-wrap:nowrap; gap:2px; align-items:center; white-space:nowrap; }
.command-icon { width:1.1em; height:1.1em; display:block; object-fit:contain; }.command-icon--system { width:1.25em; height:1.25em; }.motion .command-icon + .command-icon { margin-left:-1px; }
.command-icon:-moz-broken { visibility:hidden; }
.route-input .command-icon,.tree__input .command-icon { width:29px; height:29px; }
.modern-icon { display:inline-flex; align-items:center; justify-content:center; width:1.85em; height:1.85em; flex:0 0 auto; border:1px solid rgba(255,255,255,.28); border-radius:.52em; background:linear-gradient(180deg,#4a5572,#303a52); color:#f4f7ff; box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 3px 10px rgba(0,0,0,.18); font-weight:900; font-size:.82em; line-height:1; }
.modern-plus { color:var(--muted); font-size:.8em; font-weight:900; margin:0 1px; }
.modern-motion { gap:3px; align-items:center; }
.route-input .modern-icon,.tree__input .modern-icon { width:31px; height:31px; font-size:13px; border-radius:9px; }
.inline-token .modern-icon { width:1.35em; height:1.35em; font-size:.66em; border-radius:.38em; }
.inline-token { display:inline-flex; align-items:center; vertical-align:-.18em; line-height:1; white-space:nowrap; }
.inline-token .motion { display:inline-flex; }
.inline-token .command-icon { width:1.05em; height:1.05em; }
.input-note { color:var(--muted); font-size:.78em; font-weight:650; white-space:nowrap; margin-left:3px; }
.state { color:#b7ffc8; background:#1b6041; border-radius:8px; padding: 7px 10px; font-size:12px; font-weight:750; }.state.blue { background:#224f79; }.state.gray { background:#384158; }.state-wide { white-space:nowrap; }
.inline-token .state { padding:.18em .38em; border-radius:5px; font-size:.78em; }
.source { display:block; color:#8493b6; font-size:12px; line-height:1.55; margin-top:12px; text-decoration:none; overflow-wrap:anywhere; }
.source:hover { color:var(--blue); }

.tree { margin: 18px 0; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(135deg, rgba(255,142,201,.08), transparent 50%); }
.tree__title,.description__title,.table__title { display:flex; align-items:baseline; gap:10px; }.tree h3 { padding:18px 0 14px; }.tree__title { padding:0 18px; }.description__title,.table__title { padding:0; }
.tree__root { padding:18px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:linear-gradient(90deg, rgba(255,142,201,.10), transparent 68%); }.tree__root > span { display:block; color:var(--pink); font-size:12px; font-weight:800; letter-spacing:.1em; margin-bottom:5px; }.tree__root strong { display:block; font-size:19px; letter-spacing:-.025em; }.tree__root small { display:block; margin-top:6px; color:var(--muted); font-size:12px; }.tree__root .inline-token,.tree__root .motion { display:inline-flex; }
.tree__branches { display:grid; grid-template-columns:repeat(auto-fit, minmax(min(310px, 100%), 1fr)); gap:1px; background:var(--line); }
.tree__branch { background:#11192b; padding:16px; min-height:0; }.tree__branch b { display:block; color:var(--green); font-size:14px; margin-bottom:8px; }.tree__branch > span:not(.motion):not(.inline-token):not(.state) { display:block; color:var(--muted); font-size:13px; line-height:1.58; margin-top:5px; }.tree__branch .motion { display:inline-flex; }.tree__input { display:flex; flex-wrap:wrap; gap:5px; align-items:center; padding:2px 0 5px; margin-top:10px; font-size:20px; }.tree__input > * { flex:0 0 auto; }.tree > .source { padding: 0 18px 16px; }

.description { margin:18px 0; padding:20px 20px 18px; border:1px solid var(--line); border-radius:14px; background:#10182a; }.description p { color: var(--muted); line-height:1.75; margin:9px 0 16px; }


.data-table { overflow-x:auto; margin:18px 0; border:1px solid var(--line); border-radius:14px; background:#10182a; }.data-table h3 { margin:0; padding:18px 0 8px; font-size:18px; letter-spacing:-.02em; }.data-table .table__title { padding:0 18px; }.data-table table { width:100%; min-width:560px; border-collapse:collapse; font-size:14px; }.data-table th { color:var(--muted); font-weight:650; text-align:left; padding:12px 14px; }.data-table td { border-top:1px solid var(--line); padding:13px 14px; }.data-table td:nth-child(n+2), .data-table th:nth-child(n+2) { font-variant-numeric:tabular-nums; }.data-table tr:hover td { background:rgba(126,151,214,.06); }.data-table > .source { padding:0 14px 14px; }

.back-to-top { position:fixed; right:20px; bottom:20px; z-index:30; width:40px; height:40px; border:1px solid var(--line); border-radius:50%; color:var(--ink); background:rgba(17,24,42,.9); opacity:0; pointer-events:none; transform:translateY(8px); transition:opacity .16s ease,transform .16s ease; cursor:pointer; }.back-to-top.is-visible { opacity:1; pointer-events:auto; transform:translateY(0); }

.loading { padding: 80px var(--gutter); color:var(--muted); }
@media (max-width: 720px) { .site-header { padding:0 18px; gap:9px; }.brand { font-size:13px; white-space:nowrap; }.character-switch select { max-width:118px; padding-left:7px; font-size:11px; }.header-pin { font-size:11px; padding:5px 7px; }.site-header nav { display:none; }.pin-tray { padding:14px 18px 0; }.pin-tray__list { grid-template-columns:1fr; }.page { padding:0 18px 60px; }.hero { padding-top:20px; }.hero__title > img { width:40px; height:40px; }.hero h1 { font-size:25px; }.section { padding-top:52px; }.tree__branches { grid-template-columns:1fr; }.route-input { gap:5px; }.route-input .command-icon,.tree__input .command-icon { width:27px;height:27px; }.section__head { align-items:center; } }
@media (max-width: 1180px) { .floating-toc { top:auto; right:14px; bottom:72px; width:min(76vw, 260px); max-height:52svh; }.floating-toc nav { max-height:calc(52svh - 46px); }.floating-toc details:not([open]) { width:max-content; margin-left:auto; }.floating-toc details:not([open]) summary { padding:9px 12px; } }