:root {
  --ink: #eaf7f4;
  --muted: #91a9ad;
  --bg: #06131d;
  --bg2: #091b27;
  --paper: #f3f0e7;
  --paper-ink: #13272b;
  --cyan: #64e6e4;
  --blue: #189be3;
  --coral: #ff735f;
  --lime: #c7ef70;
  --line: rgba(125, 223, 226, .18);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: Inter, ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; overflow-x: hidden; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
#progress { position: fixed; inset: 0 auto auto 0; z-index: 100; width: 0; height: 3px; background: linear-gradient(90deg, var(--cyan), var(--blue), var(--coral)); box-shadow: 0 0 16px var(--cyan); }

.topbar { position: fixed; z-index: 90; top: 0; left: 0; right: 0; height: 76px; display: flex; align-items: center; gap: 32px; padding: 0 clamp(18px, 4vw, 64px); background: linear-gradient(180deg, rgba(6,19,29,.88), rgba(6,19,29,.38), transparent); backdrop-filter: blur(14px); }
.brand { display: flex; align-items: center; gap: 10px; min-width: max-content; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; color: #06131d; background: var(--cyan); border-radius: 50% 50% 50% 12%; font-family: Georgia, serif; font-weight: 900; }
.brand b, .brand small { display: block; }
.brand b { letter-spacing: .08em; font-size: 14px; }
.brand small { margin-top: 2px; color: var(--muted); font-size: 9px; letter-spacing: .2em; }
.topbar nav { display: flex; justify-content: center; gap: clamp(12px, 2vw, 30px); margin-left: auto; }
.topbar nav a { position: relative; color: #b7ced0; font-size: 13px; }
.topbar nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 1px; background: var(--cyan); transition: right .25s ease; }
.topbar nav a:hover::after { right: 0; }
.topbar nav a.nav-pdf { margin-top: -7px; padding: 6px 10px; border: 1px solid rgba(199,239,112,.45); border-radius: 999px; color: var(--lime); }
.topbar nav a.nav-pdf::after { display: none; }
.icon-button, .ghost, .primary, .metric-toggle button, .filter-row button { border: 1px solid var(--line); border-radius: 999px; background: rgba(9,27,39,.7); padding: 10px 15px; cursor: pointer; transition: transform .2s, border-color .2s, background .2s; }
.icon-button:hover, .ghost:hover, .primary:hover, .filter-row button:hover { transform: translateY(-2px); border-color: var(--cyan); }
.icon-button { color: var(--muted); font-size: 12px; }
.primary { border-color: var(--cyan); color: #06202a; background: var(--cyan); font-weight: 700; }
.pdf-action { border-color: rgba(199,239,112,.5); color: var(--lime); }

.hero { position: relative; min-height: 100svh; display: grid; place-items: center; overflow: hidden; padding: 110px 8vw 80px; isolation: isolate; }
#heroCanvas { position: absolute; z-index: -3; inset: 0; width: 100%; height: 100%; opacity: .84; }
.hero::before { content: ""; position: absolute; z-index: -2; inset: 0; background: radial-gradient(circle at 50% 46%, transparent 0 18%, rgba(6,19,29,.22) 40%, rgba(6,19,29,.9) 82%), linear-gradient(180deg, rgba(6,19,29,.25), transparent 55%, var(--bg)); }
.hero-glow { position: absolute; z-index: -1; width: min(64vw, 860px); aspect-ratio: 1; border: 1px solid rgba(100,230,228,.18); border-radius: 50%; box-shadow: inset 0 0 100px rgba(24,155,227,.12), 0 0 120px rgba(24,155,227,.08); animation: breathe 6s ease-in-out infinite; }
.hero-copy { width: min(980px, 100%); text-align: center; }
.eyebrow, .kicker { margin: 0 0 14px; color: var(--cyan); font-size: 12px; font-weight: 800; letter-spacing: .24em; text-transform: uppercase; }
.hero h1 { position: relative; display: inline-grid; margin: 0; line-height: .82; font-family: Georgia, "Songti SC", serif; font-weight: 500; letter-spacing: -.07em; }
.hero h1 span { color: #dff8f3; font-size: clamp(62px, 11vw, 150px); }
.hero h1 strong { color: transparent; -webkit-text-stroke: 1px var(--cyan); font-size: clamp(88px, 17vw, 230px); }
.hero h1 em { position: absolute; top: 16%; right: -12%; color: var(--coral); font: 800 clamp(16px, 2vw, 28px)/1 Inter, sans-serif; letter-spacing: .16em; transform: rotate(90deg); }
.lede { max-width: 690px; margin: 38px auto 24px; color: #b6cbcc; font-size: clamp(16px, 2vw, 21px); line-height: 1.9; }
.lede b { color: #fff; font-size: 1.2em; }
.hero-actions { display: flex; justify-content: center; gap: 10px; }
.random-insight { min-height: 24px; color: var(--cyan); font-family: Georgia, "Songti SC", serif; font-size: 14px; }
.hero-meta { position: absolute; right: 4vw; bottom: 7vh; display: grid; gap: 8px; color: var(--muted); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; text-align: right; }
.scroll-cue { position: absolute; left: 4vw; bottom: 7vh; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 11px; letter-spacing: .12em; }
.scroll-cue span { display: block; width: 44px; height: 1px; background: var(--cyan); animation: scrollLine 2s ease-in-out infinite; transform-origin: left; }

.section { position: relative; padding: clamp(90px, 12vw, 170px) clamp(20px, 7vw, 110px); }
.section-head { max-width: 820px; margin-bottom: 54px; }
.section-head.split { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.section h2 { margin: 0; font-family: Georgia, "Songti SC", serif; font-size: clamp(42px, 6vw, 86px); font-weight: 500; line-height: 1.08; letter-spacing: -.04em; }
.section-head > p:last-child { color: var(--muted); line-height: 1.85; }
.overview { color: var(--paper-ink); background: var(--paper); }
.overview .kicker { color: #007d86; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid rgba(13,62,66,.15); background: rgba(13,62,66,.15); }
.kpi { position: relative; min-height: 240px; padding: 26px; overflow: hidden; background: var(--paper); }
.kpi::after { content: attr(data-unit); position: absolute; right: 20px; bottom: -16px; color: rgba(4,86,93,.06); font: 900 90px/1 Georgia, serif; }
.kpi span { color: #547075; font-size: 12px; letter-spacing: .12em; }
.kpi strong { display: block; margin: 36px 0 12px; color: #073f47; font: 500 clamp(34px, 4vw, 58px)/1 Georgia, serif; }
.kpi small { color: #61777a; line-height: 1.6; }
.signal-strip { display: flex; align-items: center; gap: 16px; margin-top: 18px; padding: 18px 22px; border: 1px solid rgba(13,62,66,.15); }
.signal-strip p { flex: 1; margin: 0; font-family: Georgia, "Songti SC", serif; }
.signal-strip button { border: 0; color: #076b75; background: transparent; cursor: pointer; }
.signal-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 8px rgba(255,115,95,.15); }

/* V2 · GPU 阅读宇宙 */
.universe-stage { min-height: 100vh; background: radial-gradient(circle at 50% 38%, rgba(24,155,227,.13), transparent 37%), linear-gradient(160deg, #030a11 0%, #06131d 42%, #071d28 100%); overflow: hidden; }
.universe-stage::before { content: ""; position: absolute; inset: 0; opacity: .22; pointer-events: none; background-image: radial-gradient(circle, rgba(100,230,228,.55) 0 1px, transparent 1.5px); background-size: 42px 42px; mask-image: linear-gradient(transparent, black 18%, black 82%, transparent); }
.universe-intro { width: min(430px, 100%); margin: 0 0 8px; color: var(--muted); line-height: 1.85; }
.scope-switch { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; width: min(760px, 100%); margin: 0 auto 20px; padding: 4px; border: 1px solid var(--line); border-radius: 20px; background: rgba(3,13,20,.78); }
.scope-switch button { display: grid; grid-template-columns: 1fr auto; gap: 2px 18px; padding: 16px 20px; border: 0; border-radius: 16px; color: var(--muted); background: transparent; text-align: left; cursor: pointer; transition: background .25s, color .25s, transform .25s; }
.scope-switch button:hover { color: white; }
.scope-switch button.active { color: #06131d; background: var(--cyan); box-shadow: 0 8px 30px rgba(100,230,228,.22); }
.scope-switch button b { grid-row: 1 / 3; grid-column: 2; align-self: center; font: 500 31px/1 Georgia, serif; }
.scope-switch button span { font-weight: 800; letter-spacing: .05em; }
.scope-switch button small { opacity: .72; }
.universe-shell { position: relative; z-index: 1; border: 1px solid rgba(100,230,228,.2); border-radius: 28px; overflow: hidden; background: rgba(2,9,15,.82); box-shadow: 0 40px 120px rgba(0,0,0,.5), inset 0 0 80px rgba(24,155,227,.04); }
.universe-toolbar { display: grid; grid-template-columns: 1.35fr 1.1fr auto; gap: 18px; align-items: end; padding: 18px 20px; border-bottom: 1px solid var(--line); background: rgba(8,25,35,.9); }
.control-block > span { display: block; margin: 0 0 8px 4px; color: #64858b; font-size: 9px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.segmented { display: flex; flex-wrap: wrap; gap: 4px; }
.segmented button, .universe-actions button, .graph-switch button { border: 1px solid transparent; border-radius: 999px; padding: 8px 11px; color: #90aaae; background: rgba(255,255,255,.04); font-size: 10px; cursor: pointer; transition: .2s; }
.segmented button:hover, .universe-actions button:hover, .graph-switch button:hover { color: white; border-color: rgba(100,230,228,.35); }
.segmented button.active, .graph-switch button.active { color: #04151e; background: var(--cyan); }
.segmented.compact button { padding-inline: 9px; }
.universe-actions { display: flex; gap: 6px; justify-content: end; }
.universe-actions button.active { color: #06131d; background: var(--lime); }
.universe-viewport { position: relative; height: min(72vh, 780px); min-height: 590px; overflow: hidden; background: radial-gradient(circle at 50% 50%, rgba(29,116,145,.12), transparent 46%), #02080e; isolation: isolate; }
#universeCanvas { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; outline: none; cursor: grab; }
#universeCanvas:active { cursor: grabbing; }
.universe-viewport.cruising::before, .universe-viewport.cruising::after { content: ""; position: absolute; z-index: 1; pointer-events: none; mix-blend-mode: screen; }
.universe-viewport.cruising { box-shadow: inset 0 0 110px rgba(36,174,218,.16), inset 0 -80px 130px rgba(65,91,215,.1); animation: tideChamber 7.2s ease-in-out infinite; }
.universe-viewport.cruising::before { inset: -42%; opacity: .58; background: repeating-radial-gradient(ellipse at 50% 52%, transparent 0 6.8%, rgba(100,230,228,.28) 7.5%, rgba(94,168,255,.1) 8%, transparent 9.2% 13.5%); filter: blur(1.5px); animation: tideRings 8.8s cubic-bezier(.45,.05,.25,1) infinite; }
.universe-viewport.cruising::after { left: -24%; right: -24%; top: 26%; height: 46%; opacity: .48; background: linear-gradient(180deg, transparent, rgba(94,168,255,.22) 30%, rgba(100,230,228,.2) 47%, rgba(199,239,112,.15) 57%, transparent 76%); filter: blur(24px); animation: tideBand 7.2s cubic-bezier(.45,.05,.25,1) infinite alternate; }
.universe-hud { position: absolute; z-index: 2; top: 22px; left: 24px; display: grid; gap: 4px; max-width: 280px; pointer-events: none; }
.universe-hud span { color: var(--coral); font-size: 10px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.universe-hud b { font: 500 24px/1.2 Georgia, serif; }
.universe-hud small { color: var(--muted); line-height: 1.5; }
.universe-status { position: absolute; z-index: 4; inset: 50% auto auto 50%; padding: 12px 18px; border: 1px solid var(--line); border-radius: 999px; color: var(--cyan); background: rgba(2,10,16,.9); font-size: 11px; transform: translate(-50%, -50%); transition: opacity .25s; }
.universe-status.hidden { opacity: 0; pointer-events: none; }
.universe-cruise-hud { position: absolute; z-index: 4; left: 22px; bottom: 20px; display: grid; grid-template-columns: auto auto; gap: 3px 12px; min-width: 190px; padding: 12px 14px; border: 1px solid rgba(100,230,228,.26); border-radius: 13px; background: rgba(2,10,16,.78); box-shadow: 0 14px 44px rgba(0,0,0,.34), inset 0 0 32px rgba(100,230,228,.04); backdrop-filter: blur(12px); }
.universe-cruise-hud[hidden] { display: none; }
.universe-cruise-hud > span { grid-column: 1 / -1; color: var(--cyan); font-size: 8px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.universe-cruise-hud > b { font: 500 20px/1.25 Georgia, "Songti SC", serif; }
.universe-cruise-hud > div { display: flex; align-items: center; justify-content: end; gap: 4px; }
.universe-cruise-hud i { width: 5px; height: 5px; border-radius: 50%; background: rgba(255,255,255,.18); transition: width .35s, background .35s, box-shadow .35s; }
.universe-cruise-hud i.active { width: 18px; border-radius: 999px; background: var(--lime); box-shadow: 0 0 10px rgba(199,239,112,.6); }
.universe-cruise-hud > small { grid-column: 1 / -1; color: #728e93; font-size: 8px; letter-spacing: .08em; }
.universe-hover { position: absolute; z-index: 5; width: 245px; padding: 15px; border: 1px solid rgba(100,230,228,.3); border-radius: 14px; background: rgba(3,14,22,.94); box-shadow: 0 18px 50px rgba(0,0,0,.5); pointer-events: none; }
.universe-hover[hidden] { display: none; }
.universe-hover strong, .universe-hover span { display: block; }
.universe-hover strong { margin-bottom: 8px; font: 500 17px/1.35 Georgia, "Songti SC", serif; }
.universe-hover span { color: var(--muted); font-size: 10px; line-height: 1.65; }
.universe-hover em { color: var(--cyan); font-style: normal; }
.universe-legend { position: absolute; z-index: 2; right: 20px; bottom: 20px; display: flex; flex-wrap: wrap; justify-content: end; gap: 5px; max-width: 430px; }
.universe-legend button { display: flex; align-items: center; gap: 5px; padding: 5px 8px; border: 1px solid rgba(255,255,255,.08); border-radius: 999px; color: #8ca4a8; background: rgba(2,10,16,.72); font-size: 8px; cursor: pointer; }
.universe-legend button:hover, .universe-legend button.active { color: #06131d; background: var(--cyan); }
.universe-legend i { width: 6px; height: 6px; border-radius: 50%; background: var(--legend); }
.universe-caption { display: flex; align-items: center; gap: 8px; padding: 18px 22px; border-top: 1px solid var(--line); background: #071a24; }
.universe-caption p { flex: 1; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.universe-caption p b { color: white; }
.scope-badge { flex: 0 0 auto; padding: 7px 9px; border: 1px solid rgba(255,255,255,.12); border-radius: 999px; color: var(--muted); font-size: 9px; white-space: nowrap; }
.scope-badge.verified { border-color: rgba(199,239,112,.35); color: var(--lime); }

/* V2 · 关系图谱 */
.graph-stage { color: var(--paper-ink); background: #e9e6dc; }
.graph-stage .kicker { color: #007d86; }
.graph-stage .universe-intro { color: #60787b; }
.graph-switch { display: flex; gap: 8px; margin-bottom: 16px; }
.graph-switch button { border-color: rgba(8,79,85,.13); color: #557176; background: rgba(255,255,255,.5); }
.graph-switch button.active { color: white; background: #087f89; }
.graph-shell { display: grid; grid-template-columns: minmax(0, 1fr) 310px; min-height: 680px; border: 1px solid rgba(8,79,85,.16); border-radius: 28px; overflow: hidden; background: #f3f0e7; box-shadow: 0 30px 80px rgba(20,54,56,.12); }
.graph-canvas-wrap { position: relative; min-height: 680px; overflow: hidden; background: radial-gradient(circle at center, rgba(4,122,132,.08), transparent 55%); }
#relationGraph { display: block; width: 100%; height: 100%; min-height: 680px; cursor: grab; }
#relationGraph .graph-edge { stroke: rgba(8,94,101,.18); stroke-width: 1.2; transition: opacity .2s, stroke .2s; }
#relationGraph .graph-edge.hot { stroke: #008996; stroke-width: 2.1; }
#relationGraph .graph-node { cursor: pointer; transition: opacity .2s; }
#relationGraph .graph-node circle { stroke: rgba(255,255,255,.7); stroke-width: 1.4; filter: drop-shadow(0 5px 8px rgba(10,55,59,.18)); }
#relationGraph .graph-node text { fill: #274d51; font-size: 10px; pointer-events: none; paint-order: stroke; stroke: #f3f0e7; stroke-width: 4px; stroke-linejoin: round; }
#relationGraph .graph-node.root text { font-size: 13px; font-weight: 900; }
#relationGraph .graph-node.group text { font-weight: 800; }
#relationGraph .graph-node.dim, #relationGraph .graph-edge.dim { opacity: .08; }
.graph-key { position: absolute; left: 18px; bottom: 18px; display: flex; gap: 12px; padding: 8px 10px; border-radius: 999px; color: #587276; background: rgba(243,240,231,.84); font-size: 9px; backdrop-filter: blur(8px); }
.graph-key span { display: flex; align-items: center; gap: 5px; }.graph-key i { width: 8px; height: 8px; border-radius: 50%; }.graph-key i.root { background: var(--coral); }.graph-key i.group { background: #087f89; }.graph-key i.book { background: #92c85b; }
.graph-detail { padding: 34px; color: white; background: #09313a; }
.graph-detail h3 { margin: 0 0 16px; font: 500 34px/1.15 Georgia, "Songti SC", serif; }
.graph-detail > p:not(.kicker):not(.graph-boundary) { color: #a5bdbf; line-height: 1.75; }
.graph-detail dl { margin: 30px 0; }.graph-detail dl div { display: grid; grid-template-columns: 86px 1fr; gap: 8px; padding: 13px 0; border-top: 1px solid rgba(255,255,255,.12); }.graph-detail dt { color: #79999e; font-size: 10px; }.graph-detail dd { margin: 0; font-size: 11px; }
.graph-boundary { margin-top: 36px; padding: 14px; border-left: 2px solid var(--coral); color: #9bb4b8; background: rgba(255,255,255,.04); font-size: 10px; line-height: 1.65; }

.dark-stage { background: linear-gradient(150deg, #06131d, #0a202b 55%, #071821); }
.metric-toggle { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; }
.metric-toggle button { border: 0; padding: 9px 15px; color: var(--muted); background: transparent; }
.metric-toggle button.active { color: #06202a; background: var(--cyan); }
.chart-card, .heat-card, .migration-card { padding: clamp(18px, 3vw, 36px); border: 1px solid var(--line); border-radius: var(--radius); background: rgba(7, 26, 36, .68); box-shadow: 0 25px 90px rgba(0,0,0,.22); }
.chart-toolbar, .mini-head { display: flex; justify-content: space-between; align-items: start; gap: 24px; }
.chart-toolbar > div > * { display: block; }
.chart-toolbar b { font: 500 clamp(25px, 4vw, 48px)/1 Georgia, serif; }
.chart-toolbar span, .chart-toolbar p, .mini-head p, .mini-head span { color: var(--muted); font-size: 12px; }
.chart { min-height: 430px; }
.chart svg, .rank-flow svg { display: block; width: 100%; height: auto; overflow: visible; }
.axis-label { fill: var(--muted); font-size: 11px; }
.grid-line { stroke: rgba(125,223,226,.11); stroke-width: 1; }
.line-path { fill: none; stroke: var(--cyan); stroke-width: 3; filter: drop-shadow(0 0 7px rgba(100,230,228,.45)); }
.area-path { fill: url(#pulseGradient); opacity: .7; }
.point-hit { fill: transparent; cursor: crosshair; }
.partial-line { stroke: var(--coral); stroke-dasharray: 4 5; }
.narrative-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px; }
.story-card { position: relative; min-height: 260px; padding: 28px; border-radius: var(--radius); color: #06202a; overflow: hidden; }
.story-card.cyan { background: var(--cyan); }.story-card.coral { background: var(--coral); }.story-card.lime { background: var(--lime); }
.story-card p { max-width: 230px; margin-top: 52px; }
.story-card strong { display: block; margin: 16px 0; font: 500 clamp(34px, 4vw, 58px)/1 Georgia, serif; }
.story-card small { display: block; max-width: 300px; line-height: 1.6; }
.story-no { position: absolute; top: 22px; right: 24px; opacity: .4; font: italic 42px/1 Georgia, serif; }

#climate, #series { color: var(--paper-ink); background: var(--paper); }
#climate .kicker, #series .kicker { color: #007b87; }
.climate-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 18px; }
.bubble-field { position: relative; min-height: 600px; border: 1px solid rgba(10,65,70,.14); border-radius: var(--radius); overflow: hidden; background: radial-gradient(circle at center, rgba(12,128,139,.08), transparent 55%); }
.bubble { position: absolute; display: grid; place-items: center; border: 0; border-radius: 50%; color: #07292f; cursor: pointer; box-shadow: inset 0 0 0 1px rgba(255,255,255,.42), 0 14px 30px rgba(5,63,69,.12); transition: transform .25s, filter .25s; }
.bubble:hover, .bubble.active { z-index: 4; transform: scale(1.08); filter: saturate(1.25); }
.bubble b { display: block; font: 500 clamp(22px, 3vw, 48px)/1 Georgia, serif; }
.bubble small { display: block; max-width: 90%; margin-top: 5px; font-size: 10px; }
.detail-card { padding: 32px; border-radius: var(--radius); color: var(--ink); background: #0b3540; }
.detail-card .detail-code { color: var(--cyan); font: 500 76px/1 Georgia, serif; }
.detail-card h3 { margin: 10px 0 30px; font: 500 30px/1.2 Georgia, serif; }
.detail-row { display: grid; grid-template-columns: 1fr auto; padding: 15px 0; border-top: 1px solid rgba(255,255,255,.12); color: var(--muted); font-size: 12px; }
.detail-row b { color: #fff; }
.heat-card { margin-top: 18px; color: var(--ink); }
.heatmap { min-width: 850px; margin-top: 24px; overflow: visible; }
.heat-card { overflow-x: auto; }
.heat-row { display: grid; grid-template-columns: 96px repeat(32, minmax(15px, 1fr)); gap: 3px; margin-bottom: 4px; align-items: center; }
.heat-label { color: #aec3c5; font-size: 11px; }
.heat-cell { aspect-ratio: 1; min-height: 14px; border-radius: 3px; background: color-mix(in srgb, var(--cyan) calc(var(--v) * 100%), #102935); transition: transform .15s; }
.heat-cell:hover { transform: scale(1.45); outline: 1px solid white; }
.heat-months span { color: #789498; font-size: 8px; transform: rotate(-60deg); transform-origin: center; }
.l3-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.rank-list { padding: 28px; border: 1px solid rgba(11,64,70,.15); border-radius: var(--radius); }
.rank-list h3, .migration-card h3 { margin: 0 0 22px; font: 500 28px/1.2 Georgia, serif; }
.rank-item { display: grid; grid-template-columns: 48px 1fr auto; gap: 12px; align-items: center; padding: 12px 0; border-top: 1px solid rgba(11,64,70,.12); }
.rank-code { font-weight: 800; }.rank-name { min-width: 0; }.rank-name b, .rank-name small { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }.rank-name small { color: #688085; font-size: 10px; }.rank-change { font-weight: 800; }.up { color: #007e78; }.down { color: #bd4335; }

.rank-flow { min-height: 540px; overflow-x: auto; }
.flow-line { fill: none; stroke-width: 2.2; opacity: .72; transition: opacity .2s, stroke-width .2s; }
.flow-line:hover { opacity: 1; stroke-width: 5; }
.flow-legend { display: flex; flex-wrap: wrap; justify-content: end; gap: 8px; max-width: 620px; }
.flow-chip { display: flex; align-items: center; gap: 6px; max-width: 180px; color: var(--muted); font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; cursor: pointer; }
.flow-chip i { flex: 0 0 auto; width: 7px; height: 7px; border-radius: 50%; background: var(--c); }
.migration-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; margin-top: 18px; }
.migration-row { display: grid; grid-template-columns: 1fr auto; gap: 16px; padding: 13px 0; border-top: 1px solid var(--line); }
.migration-row b, .migration-row small { display: block; }.migration-row small, .note { color: var(--muted); font-size: 11px; line-height: 1.6; }
.migration-row strong { color: var(--lime); }.note { margin-top: 20px; }

.islands { position: relative; min-height: 640px; border-radius: 50%; background: radial-gradient(ellipse, rgba(0,139,149,.12), transparent 65%); }
.island { position: absolute; display: grid; place-content: center; padding: 18px; border-radius: 50%; color: white; text-align: center; box-shadow: 0 18px 48px rgba(6,55,61,.18), inset 0 0 0 1px rgba(255,255,255,.4); animation: islandFloat 7s ease-in-out infinite alternate; }
.island b { max-width: 140px; font: 500 clamp(17px, 2vw, 30px)/1.2 Georgia, serif; }.island span { margin-top: 7px; font-size: 10px; opacity: .8; }
.big-quote { margin: 50px 0 0; padding: 0; border: 0; color: #43676b; font: 500 clamp(34px, 5vw, 70px)/1.25 Georgia, "Songti SC", serif; }.big-quote strong { color: #007d86; }

.cover-stage { background: #050e15; }
.search { display: flex; align-items: center; gap: 10px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 11px; }
.search input { width: min(28vw, 300px); border: 0; outline: none; color: white; background: transparent; }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter-row button { color: var(--muted); background: #0a1a24; }
.filter-row button.active { color: #06131d; background: var(--cyan); }
.cover-wall { display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); gap: clamp(7px, 1vw, 14px); }
.cover-card { position: relative; aspect-ratio: 96/132; border: 0; border-radius: 8px; background-color: #102632; background-image: url("./data/cover-atlas.webp"); background-size: calc(var(--cols) * 100%) calc(var(--rows) * 100%); background-position: var(--bx) var(--by); box-shadow: 0 12px 30px rgba(0,0,0,.35); cursor: pointer; overflow: hidden; transition: transform .25s, filter .25s, opacity .25s; }
.cover-card:hover { z-index: 4; transform: translateY(-10px) scale(1.07) rotate(var(--tilt)); filter: brightness(1.12); }
.cover-card::after { content: attr(aria-label); position: absolute; inset: auto 0 0; padding: 28px 8px 8px; color: white; background: linear-gradient(transparent, rgba(0,0,0,.88)); font-size: 9px; opacity: 0; transform: translateY(5px); transition: .2s; }
.cover-card:hover::after { opacity: 1; transform: none; }
.wall-note { color: var(--muted); font-size: 11px; text-align: center; }
.wall-note button { margin-left: 8px; border: 0; color: var(--cyan); background: transparent; cursor: pointer; }

/* V2.1 · 1000条读者样本实验室 */
.sample-stage { color: #eaf7f4; background: radial-gradient(circle at 15% 25%, rgba(200,147,255,.12), transparent 31%), radial-gradient(circle at 85% 64%, rgba(100,230,228,.1), transparent 34%), linear-gradient(145deg, #07151f, #0b202b 58%, #07131d); overflow: hidden; }
.sample-stage::before { content: "SAMPLE"; position: absolute; top: 120px; right: -16px; color: rgba(255,255,255,.025); font: 900 clamp(90px, 18vw, 250px)/1 Inter, sans-serif; letter-spacing: -.08em; pointer-events: none; }
.sample-warning { position: relative; z-index: 1; display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; margin-bottom: 18px; padding: 17px 20px; border: 1px solid rgba(255,115,95,.34); border-radius: 16px; color: #ffd9d2; background: rgba(255,115,95,.09); }
.sample-warning b { color: var(--coral); font-size: 12px; letter-spacing: .08em; white-space: nowrap; }
.sample-warning span { color: #b9cbcd; font-size: 11px; line-height: 1.65; }
.sample-warning i { color: #f6a89b; font-size: 10px; font-style: normal; white-space: nowrap; }
.sample-kpis { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; margin-bottom: 18px; border: 1px solid var(--line); background: var(--line); }
.sample-kpi { min-height: 154px; padding: 22px; background: rgba(5,18,27,.92); }
.sample-kpi strong, .sample-kpi span, .sample-kpi small { display: block; }
.sample-kpi strong { color: var(--cyan); font: 500 36px/1 Georgia, serif; }
.sample-kpi span { margin-top: 12px; font-size: 12px; font-weight: 800; }
.sample-kpi small { margin-top: 5px; color: var(--muted); font-size: 9px; line-height: 1.5; }
.sample-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.sample-grid-hero { grid-template-columns: minmax(0, 1.45fr) minmax(270px, .55fr); }
.sample-panel { position: relative; padding: clamp(20px, 3vw, 34px); border: 1px solid rgba(100,230,228,.17); border-radius: var(--radius); background: rgba(4,17,25,.78); box-shadow: 0 28px 90px rgba(0,0,0,.22); overflow: hidden; }
.sample-panel .mini-head h3 { margin: 0; font: 500 clamp(24px, 3vw, 38px)/1.2 Georgia, "Songti SC", serif; }
.sample-panel .mini-head > p { max-width: 330px; line-height: 1.6; text-align: right; }
.reader-nebula { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; min-height: 410px; margin-top: 20px; }
.reader-cluster { position: relative; min-width: 0; border: 1px solid rgba(255,255,255,.06); border-radius: 20px; color: white; background: rgba(255,255,255,.018); cursor: pointer; overflow: hidden; transition: border-color .25s, background .25s, transform .25s; }
.reader-cluster:hover, .reader-cluster.active { z-index: 2; border-color: rgba(100,230,228,.48); background: rgba(100,230,228,.06); transform: translateY(-4px); }
.particle-cloud { position: absolute; inset: 12px 0 96px; }
.particle-cloud::before { content: ""; position: absolute; inset: 18%; border: 1px solid rgba(255,255,255,.06); border-radius: 50%; box-shadow: inset 0 0 45px rgba(100,230,228,.04); }
.particle-cloud i { position: absolute; left: var(--x); top: var(--y); width: var(--s); height: var(--s); border-radius: 50%; background: var(--particle); box-shadow: 0 0 8px var(--particle); animation: readerDrift 4.8s ease-in-out var(--delay) infinite alternate; }
.reader-cluster > b, .reader-cluster > strong, .reader-cluster > small { position: absolute; z-index: 2; left: 14px; right: 14px; display: block; }
.reader-cluster > b { bottom: 66px; color: #bdd1d3; font-size: 10px; }
.reader-cluster > strong { bottom: 30px; color: white; font: 500 30px/1 Georgia, serif; }
.reader-cluster > small { bottom: 15px; color: #769196; font-size: 8px; text-align: right; }
.sample-insight { display: flex; flex-direction: column; justify-content: center; background: linear-gradient(155deg, rgba(11,59,70,.94), rgba(7,30,42,.96)); }
.sample-insight h3 { margin: 6px 0 20px; font: 500 30px/1.2 Georgia, "Songti SC", serif; }
.sample-insight > strong { color: var(--lime); font: 500 clamp(52px, 6vw, 86px)/1 Georgia, serif; }
.sample-insight > p:not(.kicker) { color: #a9c0c2; line-height: 1.8; }
.sample-insight > p b { color: white; }
.sample-insight > small { margin-top: 24px; color: #759297; font-size: 9px; line-height: 1.65; }
.sample-gender { margin-top: 24px; }
.sample-gender > div { display: grid; grid-template-columns: 24px 1fr 48px; gap: 9px; align-items: center; margin: 12px 0; color: #99b2b5; font-size: 10px; }
.sample-gender i, .sample-bar-row > i, .sample-region-bars i { height: 7px; border-radius: 999px; background: rgba(255,255,255,.07); overflow: hidden; }
.sample-gender em, .sample-bar-row > i em, .sample-region-bars em { display: block; height: 100%; border-radius: inherit; }
.sample-gender b { color: white; text-align: right; }
.sample-heatmap { min-width: 620px; margin-top: 25px; overflow: visible; }
.sample-panel:has(.sample-heatmap) { overflow-x: auto; }
.sample-heat-row { display: grid; grid-template-columns: 90px repeat(10, minmax(34px, 1fr)); gap: 5px; margin-bottom: 5px; align-items: center; transition: opacity .2s; }
.sample-heat-row.dim { opacity: .18; }
.sample-heat-row > b { color: #9ab3b6; font-size: 9px; }
.sample-heat-head span { color: #789398; font-size: 10px; text-align: center; }
.sample-heat-cell { position: relative; min-height: 42px; border: 1px solid rgba(255,255,255,.05); border-radius: 7px; background: rgba(255,255,255,.025); transition: transform .18s, filter .18s; }
.sample-heat-cell.level-1 { background: rgba(94,168,255,.2); }.sample-heat-cell.level-2 { background: rgba(100,230,228,.36); }.sample-heat-cell.level-3 { background: rgba(199,239,112,.56); }.sample-heat-cell.level-4 { background: rgba(255,115,95,.72); }
.sample-heat-cell:hover { z-index: 2; transform: scale(1.12); filter: brightness(1.18); }
.sample-heat-cell i { position: absolute; inset: 50% auto auto 50%; color: rgba(255,255,255,.68); font-size: 7px; font-style: normal; white-space: nowrap; transform: translate(-50%, -50%); }
.sample-heatmap > p, .sample-region-bars > p { margin: 16px 0 0; color: #6e8b90; font-size: 9px; line-height: 1.6; }
.sample-category-bars { margin-top: 20px; }
.sample-bar-row { display: grid; grid-template-columns: minmax(128px, 1.2fr) minmax(90px, 1fr) 34px 68px; gap: 10px; align-items: center; padding: 9px 0; border-top: 1px solid rgba(255,255,255,.065); }
.sample-bar-row > span b, .sample-bar-row > span small { display: block; }
.sample-bar-row > span b { color: var(--cyan); font: 500 19px/1 Georgia, serif; }
.sample-bar-row > span small { max-width: 190px; color: #8da6a9; font-size: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sample-bar-row strong { color: white; font-size: 11px; text-align: right; }
.sample-bar-row .reader-band { color: #6f8d92; font-size: 8px; text-align: right; }
.sample-timeline-panel { margin-top: 18px; }
.sample-actions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 24px; }
.sample-actions article { position: relative; min-height: 110px; padding: 15px; border: 1px solid rgba(255,255,255,.06); border-radius: 13px; overflow: hidden; }
.sample-actions span, .sample-actions strong, .sample-actions small { position: relative; z-index: 1; display: block; }
.sample-actions span { color: #90aaae; font-size: 9px; }.sample-actions strong { margin: 10px 0 5px; font: 500 28px/1 Georgia, serif; }.sample-actions small { color: #6e8b90; font-size: 8px; }
.sample-actions i { position: absolute; left: 0; bottom: 0; width: var(--share-pct); height: 3px; background: var(--action); box-shadow: 0 0 16px var(--action); }
.sample-timeline { margin-top: 22px; overflow-x: auto; }
.sample-timeline svg { display: block; width: 100%; min-width: 720px; height: auto; }
.sample-timeline text { fill: #748f94; font-size: 9px; }.sample-time-grid line { stroke: rgba(255,255,255,.07); }.sample-time-grid text { fill: #607b80; }
.sample-time-segment { cursor: crosshair; transition: filter .15s, opacity .15s; }.sample-time-segment:hover { filter: brightness(1.3); }
.sample-time-bands { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(230px, .6fr); gap: 26px; align-items: end; margin-top: 8px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.07); }
.sample-time-bands > div { display: grid; grid-template-columns: 120px repeat(5, 1fr); gap: 8px; align-items: end; min-height: 130px; }
.sample-time-bands > div > span { align-self: center; color: #718d92; font-size: 9px; line-height: 1.5; }
.sample-time-bands article { display: grid; grid-template-rows: auto 76px auto; gap: 5px; text-align: center; }
.sample-time-bands article b { color: #7d989d; font-size: 8px; }.sample-time-bands article i { position: relative; display: block; border-radius: 7px; background: rgba(255,255,255,.035); overflow: hidden; }.sample-time-bands article em { position: absolute; inset: auto 0 0; }.sample-time-bands article strong { font-size: 10px; }
.sample-time-bands > p { margin: 0; padding: 18px; border-left: 2px solid var(--lime); color: #8fa8ab; background: rgba(255,255,255,.025); font-size: 10px; line-height: 1.8; }.sample-time-bands > p b { color: white; }
.sample-region-bars { margin-top: 24px; }
.sample-region-bars > div { display: grid; grid-template-columns: 110px 1fr 34px; gap: 10px; align-items: center; margin: 15px 0; color: #96adb0; font-size: 10px; }
.sample-region-bars b { color: white; text-align: right; }
.sample-branch-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 22px; }
.sample-branch-grid article { position: relative; min-height: 108px; padding: 15px; border: 1px solid rgba(255,255,255,.06); border-radius: 13px; background: color-mix(in srgb, var(--cyan) calc(var(--intensity) * 11%), transparent); overflow: hidden; }
.sample-branch-grid span { position: absolute; right: 10px; top: 8px; color: rgba(255,255,255,.16); font: 500 30px/1 Georgia, serif; }
.sample-branch-grid b, .sample-branch-grid strong, .sample-branch-grid small { display: block; }.sample-branch-grid b { max-width: 160px; color: #a9c0c2; font-size: 10px; }.sample-branch-grid strong { margin-top: 19px; color: var(--cyan); font: 500 24px/1 Georgia, serif; }.sample-branch-grid small { color: #718e93; font-size: 8px; }
.sample-quality { display: grid; grid-template-columns: .8fr 1.2fr; gap: 18px; margin-top: 18px; padding: 0; border: 1px solid rgba(255,115,95,.2); border-radius: var(--radius); overflow: hidden; background: rgba(3,14,22,.82); }
.sample-quality-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(255,255,255,.06); }
.sample-quality-metrics article { min-height: 130px; padding: 22px; background: #071923; }.sample-quality-metrics strong, .sample-quality-metrics span { display: block; }.sample-quality-metrics strong { color: var(--cyan); font: 500 31px/1 Georgia, serif; }.sample-quality-metrics span { margin-top: 10px; color: #789499; font-size: 9px; }
.sample-boundaries { padding: 28px; }.sample-boundaries > p:not(.kicker) { display: grid; grid-template-columns: 30px 1fr; gap: 10px; margin: 0; padding: 11px 0; border-top: 1px solid rgba(255,255,255,.07); color: #94abad; font-size: 10px; line-height: 1.65; }.sample-boundaries > p b { color: var(--coral); }

.method-stage { background: #0a222a; }
.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 48px; }
.quality { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.025); }
.quality strong, .quality span { display: block; }.quality strong { color: var(--cyan); font: 500 40px/1 Georgia, serif; }.quality span { margin-top: 8px; color: var(--muted); font-size: 11px; }
.method-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.method-grid article { position: relative; min-height: 260px; padding: 34px; background: #0a222a; }
.method-grid span { color: var(--coral); font-size: 11px; }.method-grid h3 { font: 500 28px/1.2 Georgia, serif; }.method-grid p { max-width: 520px; color: var(--muted); line-height: 1.8; }
.closing { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-top: 90px; padding-top: 30px; border-top: 1px solid var(--line); }
.closing p { max-width: 760px; margin: 0; font: 500 clamp(26px, 4vw, 48px)/1.3 Georgia, "Songti SC", serif; }.closing a { color: var(--cyan); white-space: nowrap; }

.tooltip { position: fixed; z-index: 120; max-width: 260px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; color: white; background: rgba(5,18,27,.94); box-shadow: 0 12px 40px rgba(0,0,0,.35); font-size: 11px; line-height: 1.55; pointer-events: none; opacity: 0; transform: translate(12px,12px); transition: opacity .12s; }
.tooltip.show { opacity: 1; }
dialog { width: min(720px, calc(100vw - 32px)); padding: 0; border: 1px solid var(--line); border-radius: 24px; color: white; background: #0b202c; box-shadow: 0 30px 100px rgba(0,0,0,.65); }
dialog::backdrop { background: rgba(1,8,13,.78); backdrop-filter: blur(8px); }
.dialog-close { position: absolute; z-index: 2; top: 12px; right: 12px; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; color: white; background: #081a24; cursor: pointer; }
.book-detail { display: grid; grid-template-columns: 220px 1fr; gap: 28px; padding: 42px; }
.book-cover-large { aspect-ratio: 96/132; border-radius: 10px; background-image: url("./data/cover-atlas.webp"); background-size: calc(var(--cols) * 100%) calc(var(--rows) * 100%); background-position: var(--bx) var(--by); box-shadow: 0 20px 60px rgba(0,0,0,.45); }
.book-detail h3 { margin: 0 0 24px; font: 500 32px/1.3 Georgia, "Songti SC", serif; }.book-detail dl { display: grid; grid-template-columns: 70px 1fr; gap: 10px; color: var(--muted); font-size: 12px; }.book-detail dt { color: var(--cyan); }.book-detail dd { margin: 0; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
body.motion-paused *, body.motion-paused *::before, body.motion-paused *::after { animation-play-state: paused !important; }
@keyframes breathe { 50% { transform: scale(1.08); opacity: .65; } }
@keyframes scrollLine { 50% { transform: scaleX(.35); opacity: .35; } }
@keyframes islandFloat { to { transform: translateY(-14px) rotate(2deg); } }
@keyframes readerDrift { to { transform: translate(4px, -5px) scale(1.25); opacity: .62; } }
@keyframes tideChamber { 0%, 100% { filter: saturate(1.02) brightness(.98); } 50% { filter: saturate(1.2) brightness(1.08); } }
@keyframes tideRings { 0%, 100% { transform: scale(.72) rotate(-3deg); opacity: .24; } 48% { transform: scale(1.08) rotate(2deg); opacity: .66; } 72% { transform: scale(1.2) rotate(4deg); opacity: .38; } }
@keyframes tideBand { from { transform: translate3d(-8%, -42%, 0) skewY(-5deg) scaleY(.82); } to { transform: translate3d(9%, 46%, 0) skewY(4deg) scaleY(1.15); } }

@media (max-width: 900px) {
  .topbar nav { display: none; }
  .topbar .icon-button { margin-left: auto; }
  .hero h1 em { right: -5%; }
  .kpi-grid, .quality-grid { grid-template-columns: repeat(2, 1fr); }
  .narrative-grid, .l3-grid, .migration-grid { grid-template-columns: 1fr; }
  .climate-layout { grid-template-columns: 1fr; }
  .detail-card { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; }
  .cover-wall { grid-template-columns: repeat(6, 1fr); }
  .universe-toolbar { grid-template-columns: 1fr; }
  .universe-actions { justify-content: start; }
  .universe-viewport { min-height: 560px; }
  .graph-shell { grid-template-columns: 1fr; }
  .graph-detail { min-height: 0; }
  .sample-kpis { grid-template-columns: repeat(3, 1fr); }
  .sample-grid, .sample-grid-hero, .sample-quality { grid-template-columns: 1fr; }
  .reader-nebula { min-height: 360px; }
}
@media (max-width: 600px) {
  .section { padding-left: 18px; padding-right: 18px; }
  .hero { padding-left: 18px; padding-right: 18px; }
  .hero h1 em { display: none; }
  .hero-actions, .section-head.split, .closing { align-items: stretch; flex-direction: column; }
  .hero-meta { display: none; }
  .scroll-cue { left: 18px; }
  .kpi-grid, .quality-grid, .method-grid { grid-template-columns: 1fr; }
  .kpi { min-height: 190px; }
  .chart { min-height: 320px; overflow-x: auto; }
  .chart svg, .rank-flow svg { min-width: 720px; }
  .bubble-field { min-height: 500px; }
  .cover-wall { grid-template-columns: repeat(4, 1fr); }
  .search input { width: 100%; }
  .book-detail { grid-template-columns: 120px 1fr; gap: 18px; padding: 30px 20px; }
  .book-detail h3 { font-size: 22px; }
  .scope-switch { grid-template-columns: 1fr; }
  .universe-viewport { min-height: 520px; height: 68vh; }
  .universe-toolbar { padding: 14px; }
  .universe-caption { align-items: flex-start; flex-wrap: wrap; }
  .universe-caption p { flex-basis: 100%; }
  .universe-legend { display: none; }
  .universe-hud { top: 15px; left: 15px; }
  .universe-hud b { font-size: 18px; }
  .universe-cruise-hud { left: 14px; bottom: 14px; min-width: 170px; }
  .graph-canvas-wrap, #relationGraph { min-height: 540px; }
  .graph-key { flex-wrap: wrap; border-radius: 12px; }
  .sample-warning { grid-template-columns: 1fr; }
  .sample-kpis { grid-template-columns: repeat(2, 1fr); }
  .sample-kpi { min-height: 135px; }
  .reader-nebula { grid-template-columns: repeat(2, 1fr); min-height: 640px; }
  .sample-panel .mini-head { flex-direction: column; }
  .sample-panel .mini-head > p { text-align: left; }
  .sample-actions { grid-template-columns: repeat(2, 1fr); }
  .sample-time-bands { grid-template-columns: 1fr; }
  .sample-time-bands > div { grid-template-columns: repeat(5, 1fr); }
  .sample-time-bands > div > span { grid-column: 1 / -1; }
  .sample-quality-metrics { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
@media print {
  .topbar, #progress, .scroll-cue, .hero-actions { display: none !important; }
  body, .section, .dark-stage, #climate, #series, .cover-stage, .method-stage { color: #111; background: white !important; }
  .hero { min-height: 95vh; color: white; background: #092533 !important; break-after: page; }
  .section { padding: 40px; break-before: page; }
  .reveal { opacity: 1; transform: none; }
  .chart-card, .heat-card, .migration-card, .detail-card, .method-grid article { color: #111; background: #f4f5f2; box-shadow: none; }
}