@font-face{font-family:'Fraunces';font-style:italic;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-italic-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Fraunces';font-style:italic;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-italic-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Fraunces';font-style:normal;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-normal-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Fraunces';font-style:normal;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-normal-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Source Serif 4';font-style:italic;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-italic-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Source Serif 4';font-style:italic;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-italic-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-normal-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-normal-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Seal Han';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/noto-serif-tc-e8547ab23c.woff2) format('woff2')}
@font-face{font-family:'Noto Serif JP';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/noto-serif-jp-400-2e3152b3ad.woff2) format('woff2')}
@font-face{font-family:'Noto Serif JP';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/noto-serif-jp-700-7346e89541.woff2) format('woff2')}
@font-face{font-family:'Noto Serif SC';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/noto-serif-sc-400-5b338b9334.woff2) format('woff2')}
@font-face{font-family:'Noto Serif SC';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/noto-serif-sc-700-ba8b8ee317.woff2) format('woff2')}
html[lang="zh-Hans"]{--display:'Noto Serif SC','Fraunces',Georgia,serif;--serif:'Noto Serif SC','Source Serif 4',Georgia,serif;--sans:system-ui,-apple-system,"Segoe UI","PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;line-break:strict}
html[lang="ja"]{--display:'Noto Serif JP','Fraunces',Georgia,serif;--serif:'Noto Serif JP','Source Serif 4',Georgia,serif;--sans:system-ui,-apple-system,"Segoe UI","Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;line-break:strict}
/* ---------- tokens ---------- */
:root {
  color-scheme: light;
  --paper: #f3ecdf;
  --paper-deep: #e9e0cf;
  --surface: #fbf7ef;
  --ink: #1c1814;
  --ink-soft: #3a332b;
  --ink-muted: #473f35;
  --rule: #d6cab4;
  --rule-strong: #b5a78d;
  --accent: #a8261c;          /* cinnabar, marks and fills */
  --accent-text: #801b13;     /* cinnabar for small text on paper */
  --on-accent: #fff8ef;
  --gold: #634306;
  --sea: #dbe3df;
  --land: #f1e8d6;
  --desert: #e3cf9f;
  --stipple: #b89a5b;
  --mount: #d7c8ab;
  --hatch: #a8957a;
  --coast: #8f826b;
  --river: #7d9aa3;
  --grat: #c3cdc8;
  --route: #b3261e;
  --route-dim: #b3261e40;
  --route-ghost: #6b5e4c;
  --label: #2a241d;
  --label-halo: #f1e8d6;
  --shadow: 0 1px 2px #1c181414, 0 8px 24px #1c181412;
  --display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --han: "Seal Han", "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --bar: 2.75rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #14110d;
    --paper-deep: #1d1914;
    --surface: #1f1a15;
    --ink: #f1e9dc;
    --ink-soft: #ddd3c3;
    --ink-muted: #c2b7a5;
    --rule: #3a3229;
    --rule-strong: #5a4f41;
    --accent: #e0513c;
    --accent-text: #ff9d86;
    --on-accent: #1a0f0b;
    --gold: #e0b45c;
    --sea: #10181b;
    --land: #231e18;
    --desert: #3a2f1e;
    --stipple: #6e5a37;
    --mount: #312a21;
    --hatch: #5c4f3e;
    --coast: #5f5343;
    --river: #3f6068;
    --grat: #1e282b;
    --route: #ff6b50;
    --route-dim: #ff6b5038;
    --route-ghost: #a39580;
    --label: #efe6d6;
    --label-halo: #231e18;
    --shadow: 0 1px 2px #0006, 0 8px 24px #0005;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #14110d;
  --paper-deep: #1d1914;
  --surface: #1f1a15;
  --ink: #f1e9dc;
  --ink-soft: #ddd3c3;
  --ink-muted: #c2b7a5;
  --rule: #3a3229;
  --rule-strong: #5a4f41;
  --accent: #e0513c;
  --accent-text: #ff9d86;
  --on-accent: #1a0f0b;
  --gold: #e0b45c;
  --sea: #10181b;
  --land: #231e18;
  --desert: #3a2f1e;
  --stipple: #6e5a37;
  --mount: #312a21;
  --hatch: #5c4f3e;
  --coast: #5f5343;
  --river: #3f6068;
  --grat: #1e282b;
  --route: #ff6b50;
  --route-dim: #ff6b5038;
  --route-ghost: #a39580;
  --label: #efe6d6;
  --label-halo: #231e18;
  --shadow: 0 1px 2px #0006, 0 8px 24px #0005;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
/* clip, not hidden: hidden turns body into a scroll container and every sticky element stops sticking */
html, body { overflow-x: clip; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--serif); font-size: 1.125rem; line-height: 1.62;
  font-optical-sizing: auto; text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-text); text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }
em { font-style: italic; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; color: var(--ink); text-wrap: balance; }
section { scroll-margin-top: calc(var(--bar) + .5rem); }
[hidden] { display: none !important; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { max-width: 72rem; margin: 0 auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: -9999px; top: 0; z-index: 100; background: var(--ink); color: var(--paper); padding: .5rem .8rem; border-radius: 4px; }
.skip:focus { left: .8rem; top: .8rem; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: .55rem;
  min-height: var(--bar); padding: .3rem var(--gutter);
  padding-top: calc(.3rem + env(safe-area-inset-top, 0px));
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: saturate(1.3) blur(10px); -webkit-backdrop-filter: saturate(1.3) blur(10px);
  border-bottom: 1px solid var(--rule); font-family: var(--sans); font-size: .78rem;
}
.topbar .home { font-weight: 650; color: var(--ink-soft); text-decoration: none; flex: none; }
.topbar .spacer { flex: 1; }
.topnav { display: flex; gap: .1rem; overflow-x: auto; scrollbar-width: none; min-width: 0; margin-left: .25rem; }
.topnav::-webkit-scrollbar { display: none; }
.topnav a { padding: .25rem .55rem; border-radius: 999px; text-decoration: none; color: var(--ink-muted); white-space: nowrap; }
.topnav a:hover { color: var(--accent-text); background: var(--paper-deep); }
.topnav a[aria-current="true"] { color: var(--ink); background: var(--paper-deep); font-weight: 650; }
.langmenu { position: relative; flex: none; }
.langmenu summary {
  display: inline-flex; align-items: center; gap: .3rem; padding: .22rem .6rem; border-radius: 999px;
  border: 1px solid var(--rule-strong); color: var(--ink-soft); background: var(--surface);
  cursor: pointer; list-style: none; white-space: nowrap;
}
.langmenu summary::-webkit-details-marker { display: none; }
.langmenu summary:hover { border-color: var(--accent); color: var(--accent-text); }
.langmenu ul {
  position: absolute; right: 0; top: calc(100% + .4rem); margin: 0; padding: .3rem; list-style: none;
  background: var(--surface); border: 1px solid var(--rule-strong); border-radius: .6rem;
  box-shadow: var(--shadow); min-width: 11rem; z-index: 60;
}
.langmenu li a { display: block; padding: .32rem .6rem; border-radius: .4rem; color: var(--ink-soft); text-decoration: none; white-space: nowrap; }
.langmenu li a:hover { color: var(--accent-text); background: var(--paper-deep); }
.langmenu li a[aria-current="true"] { color: var(--ink); font-weight: 650; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 1.95rem; height: 1.95rem; padding: 0; border-radius: 999px; cursor: pointer;
  color: var(--ink-muted); background: var(--surface); border: 1px solid var(--rule-strong);
}
.icon-btn:hover { color: var(--accent-text); border-color: var(--accent); }
.icon-btn svg { display: block; }
.icon-btn svg[hidden] { display: none; }
@media (max-width: 34rem) {
  .topbar { gap: .35rem; }
  .topbar .home { max-width: 5.6rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .topnav a { padding: .25rem .4rem; }
}

/* ---------- reading rail ---------- */
.rail { display: none; position: fixed; top: 50%; right: 1.1rem; transform: translateY(-50%); flex-direction: column; align-items: flex-end; gap: .5rem; z-index: 30; }
@media (min-width: 88rem) { .rail { display: flex; } }
.rail-dot { position: relative; display: flex; align-items: center; justify-content: flex-end; width: 14px; padding: .15rem 0; text-decoration: none; }
.rail-dot .dot { display: block; width: 6px; height: 6px; border-radius: 50%; background: var(--rule-strong); transition: background-color .15s, transform .15s; }
.rail-dot:hover .dot, .rail-dot:focus-visible .dot { background: var(--ink-soft); }
.rail-dot.active .dot { background: var(--accent); transform: scale(1.5); }
.rail-label {
  position: absolute; right: 100%; top: 50%; margin-top: -.85rem; margin-right: .5rem;
  font-family: var(--sans); font-size: .75rem; line-height: 1.2; color: var(--ink-soft); white-space: nowrap;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; padding: .25rem .55rem; box-shadow: var(--shadow);
  opacity: 0; transform: translateX(6px); pointer-events: none; transition: opacity .12s, transform .12s;
}
.rail-dot:hover .rail-label, .rail-dot:focus-visible .rail-label { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rail-dot .dot, .rail-label { transition: none; } }
@media print { .rail, .topbar { display: none; } }

/* ---------- seals ---------- */
.seal {
  display: inline-grid; place-items: center; flex: none;
  font-family: var(--han); font-weight: 700; color: var(--on-accent); background: var(--accent);
  border-radius: 3px; line-height: 1; letter-spacing: .02em;
  padding: .28em .22em; font-size: .95rem; writing-mode: vertical-rl; text-orientation: upright;
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--on-accent) 30%, transparent);
}
.seal-lg { font-size: 1.55rem; padding: .3em .25em; }

/* ---------- hero ---------- */
.hero {
  position: relative; display: grid; gap: 1.5rem 2rem;
  padding: clamp(1.8rem, 5vw, 3.5rem) var(--gutter) 2rem; max-width: 96rem; margin: 0 auto;
}
@media (min-width: 64rem) {
  .hero { grid-template-columns: minmax(0, 30rem) minmax(0, 1fr); align-items: center; min-height: calc(100svh - var(--bar)); padding-bottom: 1rem; }
  .hero-text { grid-column: 1; grid-row: 1; }
  .hero-map { grid-column: 2; grid-row: 1 / span 2; }
  .cast-wrap { grid-column: 1; grid-row: 2; }
}
.kicker { font-family: var(--sans); font-size: .76rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-text); margin: 0 0 .9rem; }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 3.7rem); line-height: 1.02; letter-spacing: -.02em; margin: 0 0 1.1rem; font-weight: 640; font-variation-settings: "SOFT" 30, "WONK" 0; }
.deck { font-size: clamp(1.1rem, 1.8vw, 1.28rem); line-height: 1.5; color: var(--ink-soft); margin: 0 0 1rem; }
.byline { font-family: var(--sans); font-size: .82rem; color: var(--ink-muted); margin: 0; }
.hero-map { position: relative; margin: 0; }
.hero-map .map { width: 100%; height: auto; display: block; }
.hero-year {
  position: absolute; left: 4%; bottom: 7%; display: flex; flex-direction: column; pointer-events: none;
  font-family: var(--display); color: var(--ink); line-height: 1;
}
.hero-year-num { font-size: clamp(2.2rem, 6vw, 4.6rem); font-weight: 700; font-variant-numeric: tabular-nums lining-nums; letter-spacing: -.03em; }
.hero-year-name { font-family: var(--sans); font-size: .8rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-text); margin-top: .35rem; min-height: 1em; }
.replay {
  position: absolute; right: 3%; bottom: 5%; display: inline-flex; gap: .4rem; align-items: center;
  font: 600 .78rem var(--sans); color: var(--ink-soft); background: var(--surface); border: 1px solid var(--rule-strong);
  border-radius: 999px; padding: .4rem .75rem; cursor: pointer; box-shadow: var(--shadow);
}
.replay:hover { color: var(--accent-text); border-color: var(--accent); }
.cast-heading { font-family: var(--sans); font-size: .76rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-muted); margin: 0 0 .6rem; }
.cast { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(10rem, 45%), 1fr)); gap: .45rem; }
.cast a {
  display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: .6rem; align-items: center;
  padding: .45rem .6rem; border-radius: 6px; text-decoration: none; color: var(--ink);
  background: var(--surface); border: 1px solid var(--rule); transition: transform .15s, border-color .15s;
}
.cast a:hover, .cast a.lit { border-color: var(--accent); transform: translateY(-1px); }
.cast .seal { grid-row: 1 / span 2; font-size: .78rem; }
.cast-name { font-family: var(--display); font-weight: 600; font-size: 1rem; line-height: 1.15; }
.cast-years { font-family: var(--sans); font-size: .74rem; color: var(--ink-muted); font-variant-numeric: tabular-nums; }

/* ---------- maps ---------- */
.map { overflow: visible; }
.bm-sea { fill: var(--sea); }
.bm-grat { fill: none; stroke: var(--grat); stroke-width: .6; vector-effect: non-scaling-stroke; }
.bm-land { fill: var(--land); stroke: var(--coast); stroke-width: .7; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.bm-desert { fill: url(#stipple); }
.stip { fill: var(--stipple); }
.bm-mount { fill: url(#hatch); }
.hatchline { stroke: var(--hatch); stroke-width: 1.1; }
.bm-lake { fill: var(--sea); stroke: var(--coast); stroke-width: .5; vector-effect: non-scaling-stroke; }
.bm-river { fill: none; stroke: var(--river); stroke-width: .8; vector-effect: non-scaling-stroke; stroke-linecap: round; }
.bm-frame { fill: none; stroke: var(--rule-strong); stroke-width: 1; vector-effect: non-scaling-stroke; }
.mask-path { fill: none; stroke: #fff; stroke-width: 14; stroke-linecap: round; stroke-linejoin: round; }
.seg { fill: none; stroke: var(--route); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.seg.uncertain { stroke-dasharray: 5 5; stroke-width: 2; }
.route { transition: opacity .35s ease; }
#hero-svg .seg { stroke-width: 1.8; }

.regions text { font-family: var(--serif); font-style: italic; font-size: 13px; fill: var(--ink-muted); letter-spacing: .12em; text-anchor: middle; paint-order: stroke; stroke: var(--label-halo); stroke-width: 3px; stroke-linejoin: round; }
.regions .sea text { fill: var(--ink-muted); stroke: var(--sea); font-size: 12px; }
.stop circle { fill: var(--paper); stroke: var(--route); stroke-width: 2; }
.stop text { font-family: var(--sans); font-size: 11.5px; font-weight: 650; fill: var(--label); paint-order: stroke; stroke: var(--label-halo); stroke-width: 3.2px; stroke-linejoin: round; }
.marker-dot { fill: var(--route); stroke: var(--paper); stroke-width: 2; }
.marker-halo { fill: var(--route); opacity: .22; }

/* atlas states: .ready is set only once the script has measured every route; without it every route and stop shows */
.atlas.ready[data-state="chapter"] .route { opacity: 0; }
.atlas.ready .route.active { opacity: 1; }
.atlas.ready[data-state="chapter"] .route.ghost { opacity: .22; }
.atlas.ready .stopset { display: none; }
.atlas.ready .stopset.active { display: inline; }
.atlas.ready .stop { opacity: 0; transition: opacity .3s; }
.atlas.ready .stop.reached { opacity: 1; }
.marker { display: none; }
.atlas.ready[data-state="chapter"] .marker { display: inline; }

/* ---------- atlas ---------- */
.atlas { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); max-width: 96rem; margin: 0 auto; }
.atlas-map {
  position: sticky; top: var(--bar); z-index: 5; height: 40svh; min-height: 15rem;
  background: var(--paper); border-bottom: 1px solid var(--rule);
  display: flex; flex-direction: column;
}
.map-frame { position: relative; flex: 1; min-height: 0; }
.map-frame .map { position: absolute; inset: 0; width: 100%; height: 100%; }
.hud {
  position: absolute; left: .6rem; top: .6rem; display: flex; align-items: center; gap: .55rem;
  background: color-mix(in srgb, var(--surface) 92%, transparent); border: 1px solid var(--rule); border-radius: 8px;
  padding: .4rem .6rem; box-shadow: var(--shadow); font-family: var(--sans); max-width: calc(100% - 1.2rem);
}
.hud-seal:empty { display: none; }
.hud-seal { font-size: .78rem; }
.hud-main { display: flex; flex-direction: column; line-height: 1.2; }
.hud-name { font-family: var(--display); font-weight: 650; font-size: 1rem; }
.hud-years { font-size: .75rem; color: var(--ink-muted); font-variant-numeric: tabular-nums; }
.hud-km { display: flex; flex-direction: column; line-height: 1.2; border-left: 1px solid var(--rule); padding-left: .55rem; }
.hud-km:has(.hud-km-num:empty) { display: none; }
.hud-km-num { font-family: var(--display); font-weight: 700; font-size: 1.05rem; font-variant-numeric: tabular-nums lining-nums; color: var(--accent-text); }
.hud-km-note { font-size: .68rem; color: var(--ink-muted); }
.map-legend { display: none; margin: 0; padding: .35rem .7rem .5rem; font-family: var(--sans); font-size: .72rem; color: var(--ink-muted); gap: 1rem; }
.lg::before { content: ""; display: inline-block; width: 1.6rem; height: 0; margin-right: .4rem; vertical-align: middle; border-top: 2.4px solid var(--route); }
.lg-dashed::before { border-top-style: dashed; border-top-width: 2px; }
.atlas-text { position: relative; z-index: 1; padding: 0 var(--gutter); }
@media (max-width: 63.99rem) {
  .hud { padding: .3rem .5rem; gap: .4rem; }
  .hud-km-note { display: none; }
}
@media (min-width: 64rem) {
  .atlas { grid-template-columns: minmax(0, 38rem) minmax(0, 1fr); column-gap: 2.5rem; padding-inline: var(--gutter); }
  .atlas-map { grid-column: 2; grid-row: 1; top: calc(var(--bar) + 1rem); height: calc(100svh - var(--bar) - 2rem); border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; background: var(--sea); }
  .atlas-text { grid-column: 1; grid-row: 1; padding: 0; }
  .map-legend { display: flex; background: var(--paper); border-top: 1px solid var(--rule); }
}

.atlas-intro { padding: 3rem 0 1rem; }
.atlas-intro h2, .game h2, .distances h2, .myths h2, .sources h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); line-height: 1.1; letter-spacing: -.015em; margin: 0 0 1rem; }
.atlas-intro p { color: var(--ink-soft); }

.chapter { padding: 3.5rem 0 2.5rem; border-top: 1px solid var(--rule); }
.ch-head { display: grid; grid-template-columns: auto 1fr; column-gap: 1rem; align-items: center; margin-bottom: 1.2rem; }
.ch-num { grid-column: 1 / -1; margin: 0 0 .3rem; font-family: var(--display); font-weight: 700; font-size: .9rem; letter-spacing: .2em; color: var(--accent-text); }
.ch-head .seal { grid-row: 2 / span 2; }
.ch-head h2 { margin: 0; font-size: clamp(2rem, 4.8vw, 3rem); line-height: 1; letter-spacing: -.02em; }
.ch-dates { margin: .35rem 0 0; font-family: var(--sans); font-size: .85rem; color: var(--ink-muted); }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 0 0 1.6rem; background: var(--rule); border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.stats > div { background: var(--surface); padding: .6rem .8rem; }
.stats .wide { grid-column: 1 / -1; }
.stats dt { font-family: var(--sans); font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); }
.stats dd { margin: .1rem 0 0; font-family: var(--display); font-size: 1.12rem; font-weight: 600; line-height: 1.3; }
.stat-note { display: block; font-family: var(--sans); font-size: .72rem; font-weight: 400; color: var(--ink-muted); }
.chapter p { margin: 0 0 1.1rem; }
.chapter > p:first-of-type::first-letter { font-family: var(--display); }
.map-note { font-family: var(--sans); font-size: .85rem; color: var(--ink-muted); border-left: 3px dashed var(--accent); padding-left: .7rem; }
.meanwhile {
  margin-top: 1.8rem !important; padding: .9rem 1rem; border-radius: 8px; background: var(--paper-deep);
  font-size: 1rem; color: var(--ink-soft); line-height: 1.5;
}
.meanwhile-label { display: block; font-family: var(--sans); font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-text); margin-bottom: .15rem; }

.figure { margin: 1.8rem 0; }
.figure img { width: 100%; height: auto; border-radius: 6px; background: var(--paper-deep); box-shadow: var(--shadow); }
.figure.portrait img { max-height: 34rem; width: auto; max-width: 100%; margin-inline: auto; }
figcaption { font-family: var(--sans); font-size: .82rem; line-height: 1.45; color: var(--ink-muted); margin-top: .6rem; }
.credit { display: block; margin-top: .15rem; }
.credit a { color: var(--ink-muted); }
.zh-panel { margin: 1.8rem 0; padding: 1.2rem 1.2rem .6rem; border: 1px solid var(--rule); border-radius: 8px; background: var(--surface); }
.zh-panel figcaption { margin: 0 0 .8rem; font-weight: 650; letter-spacing: .04em; }
.zh-row { display: grid; grid-template-columns: minmax(0, auto) 1fr; gap: .2rem 1rem; align-items: baseline; padding: .55rem 0; border-top: 1px solid var(--rule); }
.zh { font-family: var(--han); font-weight: 700; font-size: clamp(1.5rem, 4vw, 2rem); color: var(--accent-text); line-height: 1.2; letter-spacing: .08em; }
.zh-gloss { font-family: var(--sans); font-size: .85rem; color: var(--ink-soft); }
@media (max-width: 30rem) { .zh-row { grid-template-columns: 1fr; } }

/* ---------- game ---------- */
.game, .distances, .myths, .sources { padding: 4.5rem 0 3.5rem; border-top: 1px solid var(--rule); }
.game { background: var(--paper-deep); }
.section-intro { max-width: 40rem; color: var(--ink-soft); margin: 0 0 1.8rem; }
.cards { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); gap: 1rem; }
.card {
  position: relative; display: flex; flex-direction: column; padding: 1.1rem 1.1rem 1rem; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--rule); box-shadow: var(--shadow);
  transition: transform .25s, border-color .25s;
}
.card-num { position: absolute; right: .9rem; top: .7rem; margin: 0; font-family: var(--display); font-weight: 700; font-size: 1.6rem; color: var(--rule-strong); line-height: 1; }
.card-place { margin: 0 2rem .5rem 0; font-size: 1.25rem; line-height: 1.2; }
.card-chinese { margin: 0 0 .4rem; font-size: 1rem; color: var(--ink-soft); }
.card-q { margin: 0 0 .9rem; font-size: 1rem; font-weight: 600; }
.card-buttons { display: flex; gap: .5rem; margin-top: auto; }
.card-buttons button, .btn {
  flex: 1; font: 650 .92rem var(--sans); padding: .6rem .8rem; border-radius: 999px; cursor: pointer; text-decoration: none; text-align: center;
  color: var(--ink); background: var(--paper); border: 1.5px solid var(--rule-strong); min-height: 2.75rem;
  transition: background-color .15s, border-color .15s, color .15s, transform .1s;
}
.card-buttons button:hover, .btn:hover { border-color: var(--accent); color: var(--accent-text); }
.card-buttons button:active, .btn:active { transform: scale(.97); }
.card-buttons button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.card-buttons button:disabled { cursor: default; }
.card-buttons button:disabled:not([aria-pressed="true"]) { opacity: .45; }
.card-verdict { margin: .6rem 0 0; font: 700 .8rem var(--sans); letter-spacing: .12em; text-transform: uppercase; min-height: 0; }
.card-verdict:empty { display: none; }
.card.right { border-color: var(--gold); }
.card.right .card-verdict { color: var(--gold); }
.card.wrong .card-verdict { color: var(--accent-text); }
.card.answered { transform: translateY(-2px); }
.card-answer { margin-top: .6rem; font-size: .98rem; }
.card-answer summary { font: 600 .82rem var(--sans); color: var(--ink-muted); cursor: pointer; }
.card-answer p { margin: .4rem 0 .5rem; }
.game.ready .card-answer summary { display: none; }
.card-answer:focus { outline: none; }
.card-answer:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.game.ready .card:not(.answered) .card-answer { display: none; }
.card-line { width: 100%; height: 1.4rem; display: block; overflow: visible; }
.card-line .axis { stroke: var(--rule-strong); stroke-width: 1; vector-effect: non-scaling-stroke; }
.card-line .gap { stroke: var(--accent); stroke-width: 3; vector-effect: non-scaling-stroke; }
.card-line .dot-cn { fill: var(--accent); }
.card-line .dot-eu { fill: var(--ink); }
.game-legend { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; margin: -1rem 0 1.4rem; font: 600 .8rem var(--sans); }
.card-years { display: flex; justify-content: space-between; margin: .1rem 0 0 !important; font: 600 .74rem var(--sans); font-variant-numeric: tabular-nums; }
.y-cn { color: var(--accent-text); }
.y-cn::before { content: "● "; }
.y-eu { color: var(--ink); }
.y-eu::before { content: "● "; }
.game.ready .card.answered .card-line .gap { animation: grow .7s cubic-bezier(.2,.8,.2,1) both; transform-box: fill-box; transform-origin: left center; }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes pop { 0% { transform: scale(.96); } 60% { transform: scale(1.02); } 100% { transform: scale(1) translateY(-2px); } }
.game.ready .card.answered { animation: pop .4s ease-out; }
@media (prefers-reduced-motion: reduce) { .game.ready .card.answered, .game.ready .card.answered .card-line .gap { animation: none; } }
.scoreboard { margin-top: 1.6rem; padding: 1.2rem; border-radius: 10px; background: var(--surface); border: 1px solid var(--rule); display: grid; gap: .6rem; }
.score { margin: 0; font-family: var(--display); font-weight: 650; font-size: 1.35rem; }
.score-done { margin: 0; color: var(--ink-soft); }
.score-done:empty { display: none; }
.score-actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.score-actions .btn { flex: 0 1 auto; }
.btn.share { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.share:hover { color: var(--on-accent); filter: brightness(1.08); }

/* ---------- distances ---------- */
.table-scroll { overflow-x: auto; }
.distances table { width: 100%; border-collapse: collapse; font-family: var(--sans); font-size: .92rem; }
.distances th, .distances td { text-align: left; padding: .7rem .6rem; border-bottom: 1px solid var(--rule); vertical-align: middle; }
.distances thead th { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); font-weight: 700; }
.distances tbody th a { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); font-family: var(--display); font-size: 1.05rem; font-weight: 600; }
.distances tbody th .seal { font-size: .7rem; }
.distances td.km { width: 55%; }
.km-val { display: block; font-family: var(--display); font-weight: 700; font-size: 1.05rem; font-variant-numeric: tabular-nums lining-nums; margin-bottom: .25rem; }
.bar { display: block; width: 100%; height: .55rem; border-radius: 999px; overflow: hidden; }
.bar-bg { fill: var(--paper-deep); }
.bar-fg { fill: var(--accent); transform-box: fill-box; transform-origin: left; }
.distances.ready:not(.seen) .bar-fg { transform: scaleX(0); }
.distances.ready .bar-fg { transition: transform 1.1s cubic-bezier(.2,.8,.2,1); }
.distances.ready tr:nth-child(2) .bar-fg { transition-delay: .08s; }
.distances.ready tr:nth-child(3) .bar-fg { transition-delay: .16s; }
.distances.ready tr:nth-child(4) .bar-fg { transition-delay: .24s; }
.distances.ready tr:nth-child(5) .bar-fg { transition-delay: .32s; }
.distances.ready tr:nth-child(6) .bar-fg { transition-delay: .4s; }
.distances.ready tr:nth-child(7) .bar-fg { transition-delay: .48s; }
@media (prefers-reduced-motion: reduce) { .distances.ready .bar-fg { transition: none; transform: none; } }
.distances td.yrs { color: var(--ink-soft); }
.total { margin-top: 1.4rem; font-family: var(--display); font-size: clamp(1.2rem, 2.4vw, 1.5rem); line-height: 1.35; max-width: 44rem; }

/* ---------- myths ---------- */
.myth-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr)); gap: 1.4rem; counter-reset: myth; }
.myth-list li { counter-increment: myth; border-top: 3px solid var(--ink); padding-top: .9rem; }
.myth-list h3 { font-size: 1.3rem; line-height: 1.2; margin: 0 0 .5rem; }
.myth-list h3::before { content: counter(myth, upper-roman) " "; color: var(--accent-text); }
.myth-list p { margin: 0; color: var(--ink-soft); font-size: 1.02rem; }

/* ---------- sources ---------- */
.sources { font-size: 1rem; }
.sources > .wrap > p { max-width: 46rem; color: var(--ink-soft); }
.src-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr)); gap: 1.2rem 2rem; margin-top: 2rem; }
.src-group h3, .img-heading { font-family: var(--sans); font-size: .76rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); margin: 0 0 .4rem; }
.img-heading { margin-top: 2.2rem; }
.src-group ul, .img-credits { margin: 0; padding-left: 1.1rem; font-family: var(--sans); font-size: .86rem; line-height: 1.5; }
.src-group li, .img-credits li { margin-bottom: .35rem; overflow-wrap: anywhere; }
.img-credits { color: var(--ink-soft); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--rule); padding: 2rem var(--gutter) calc(2.5rem + env(safe-area-inset-bottom, 0px)); text-align: center; font-family: var(--sans); font-size: .88rem; color: var(--ink-muted); }
.site-footer p { margin: 0; }
.defs { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------- 404 ---------- */
.nf-main { padding-block: 5rem; max-width: 40rem; }
.nf-main .btn { display: inline-block; }

@media (max-width: 63.99rem) {
  .hero-year { left: 2%; bottom: 2%; }
  .hero-year-num { font-size: clamp(1.8rem, 9vw, 2.6rem); }
  .hero-year-name { font-size: .7rem; }
  .replay { position: static; margin: .6rem 0 0 auto; display: flex; width: max-content; }
  .cast a { padding: .4rem .5rem; column-gap: .45rem; }
  .cast-name { font-size: .92rem; }
}

/* phones: a section reached by a link must land below the pinned map as well as the bar */
@media (max-width: 63.99rem) {
  .atlas-text section { scroll-margin-top: calc(var(--bar) + max(40svh, 15rem) + .75rem); }
}