:root {
    --ink-950: #071014;
    --ink-900: #0b171a;
    --ink-850: #102126;
    --ink-800: #162a2d;
    --paper: #edf3ed;
    --paper-muted: #a6b6ae;
    --paper-dim: #71847d;
    --line: rgba(174, 201, 190, .15);
    --line-strong: rgba(209, 172, 96, .42);
    --gold: #d1ac60;
    --gold-soft: #f0d28e;
    --jade: #69c79b;
    --water: #6eb9c0;
    --warning: #dc8878;
    --priority: #62c79b;
    --recommended: #a8c96f;
    --conditional: #d4a452;
    --cautious: #cf7164;
    --radius-card: 18px;
    --radius-control: 11px;
    --shadow-card: 0 24px 70px rgba(0, 0, 0, .28);
    color-scheme: dark;
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; background: var(--ink-950); }
body { min-height: 100vh; margin: 0; color: var(--paper); background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    radial-gradient(circle at 72% 8%, rgba(42, 105, 99, .24), transparent 32rem),
    linear-gradient(155deg, #071014 0%, #0d1c20 52%, #091417 100%);
    background-size: 56px 56px, 56px 56px, auto, auto;
    overflow-x: hidden;
}
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }
[hidden] { display: none !important; }

.atlas-ambient { position: fixed; z-index: 0; width: 420px; height: 420px; border: 1px solid rgba(209,172,96,.09); border-radius: 50%; pointer-events: none; }
.atlas-ambient::before, .atlas-ambient::after { content: ""; position: absolute; inset: 13%; border: inherit; border-radius: inherit; }
.atlas-ambient::after { inset: 29%; }
.atlas-ambient--one { top: -210px; right: -120px; }
.atlas-ambient--two { bottom: 7%; left: -310px; width: 620px; height: 620px; border-color: rgba(99,190,179,.07); }

.page-shell { position: relative; z-index: 1; width: min(1460px, 100%); margin: 0 auto; padding: 22px 28px 34px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 12px 0 26px; }
.brand-link { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-seal { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(209,172,96,.55); border-radius: 10px; background: linear-gradient(145deg, rgba(209,172,96,.22), rgba(209,172,96,.05)); color: var(--gold-soft); font-family: "Songti SC", STSong, serif; font-weight: 800; box-shadow: inset 0 0 18px rgba(209,172,96,.08); }
.brand-link strong, .brand-link small { display: block; }
.brand-link strong { color: #e6eee9; font-size: 13px; letter-spacing: .06em; }
.brand-link small { margin-top: 3px; color: var(--paper-dim); font: 600 8px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; }
.header-nav { display: flex; gap: 7px; }
.header-nav a { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--paper-muted); font-size: 11px; text-decoration: none; transition: border-color .2s, color .2s, background .2s; }
.header-nav a:hover, .header-nav a:focus-visible { border-color: var(--line-strong); background: rgba(209,172,96,.08); color: var(--gold-soft); outline: 0; }

.hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(380px, .75fr); gap: clamp(40px, 8vw, 120px); align-items: end; padding: 64px 18px 58px; }
.eyebrow, .section-kicker { color: var(--gold); font: 700 9px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .17em; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; }
.eyebrow span { width: 22px; height: 1px; background: var(--gold); box-shadow: 8px 0 rgba(209,172,96,.35); }
.hero h1 { margin: 19px 0 22px; font-family: "Songti SC", STSong, "Noto Serif SC", serif; font-size: clamp(42px, 6.2vw, 82px); font-weight: 800; line-height: 1.06; letter-spacing: -.055em; }
.hero h1 em { color: var(--gold-soft); font-style: normal; }
.hero-copy > p { max-width: 760px; margin: 0; color: var(--paper-muted); font-size: 14px; line-height: 1.85; }
.hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); margin: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.hero-stats div { min-height: 105px; padding: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(13,29,32,.4); }
.hero-stats dt { color: var(--gold-soft); font: 600 clamp(24px, 3vw, 36px)/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: -.07em; }
.hero-stats dd { margin: 11px 0 0; color: var(--paper-dim); font-size: 10px; letter-spacing: .08em; }

.control-deck, .map-card, .ranking-card, .detail-card, .method-section, .weight-section, .source-section { border: 1px solid var(--line); border-radius: var(--radius-card); background: linear-gradient(145deg, rgba(18,38,42,.9), rgba(9,23,27,.82)); box-shadow: var(--shadow-card); backdrop-filter: blur(14px); }
.control-deck { display: grid; grid-template-columns: minmax(330px, .72fr) minmax(0, 1.28fr); gap: 16px 30px; align-items: center; padding: 18px; margin-bottom: 18px; }
.purpose-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.purpose-button { display: flex; align-items: center; gap: 10px; min-height: 64px; padding: 9px 13px; border: 1px solid var(--line); border-radius: var(--radius-control); background: rgba(5,16,19,.5); color: var(--paper-muted); text-align: left; cursor: pointer; transition: border-color .2s, background .2s, transform .2s; }
.purpose-button:hover { border-color: rgba(209,172,96,.38); }
.purpose-button:active { transform: translateY(1px); }
.purpose-button.is-active { border-color: var(--line-strong); background: linear-gradient(140deg, rgba(209,172,96,.16), rgba(81,139,121,.08)); color: var(--paper); }
.purpose-glyph { display: grid; place-items: center; flex: 0 0 auto; width: 36px; height: 36px; border: 1px solid rgba(209,172,96,.3); border-radius: 9px; color: var(--gold-soft); font-family: "Songti SC", STSong, serif; font-size: 16px; }
.purpose-button strong, .purpose-button small { display: block; }
.purpose-button strong { font-size: 12px; }
.purpose-button small { margin-top: 4px; color: var(--paper-dim); font-size: 8px; letter-spacing: .04em; }
.district-filter { display: flex; flex-wrap: wrap; gap: 7px; }
.district-button { min-height: 35px; padding: 7px 13px; border: 1px solid transparent; border-radius: 999px; background: rgba(116,151,140,.07); color: var(--paper-dim); font-size: 10px; cursor: pointer; }
.district-button:hover { color: var(--paper-muted); }
.district-button.is-active { border-color: rgba(105,199,155,.35); background: rgba(105,199,155,.11); color: #9ddbbd; }
.purpose-explainer { grid-column: 2; margin: -8px 0 0; color: var(--paper-dim); font-size: 10px; line-height: 1.6; }
.purpose-button:focus-visible, .district-button:focus-visible, .rank-item:focus-visible, .survey-link:focus-visible { outline: 2px solid var(--gold-soft); outline-offset: 3px; }

.error-state { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; padding: 18px 20px; border: 1px solid rgba(220,136,120,.5); border-radius: 14px; background: rgba(96,31,29,.3); }
.error-state > span { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid currentColor; border-radius: 50%; color: #ef9f91; }
.error-state strong { color: #f2b0a5; font-size: 13px; }
.error-state p { margin: 5px 0 0; color: #b98d87; font-size: 11px; }

.atlas-layout { display: grid; grid-template-columns: minmax(0, 1.58fr) minmax(330px, .72fr); gap: 18px; align-items: start; }
.map-column { min-width: 0; }
.map-card { padding: 17px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 18px; }
.section-head h2 { margin: 7px 0 0; color: #e2ebe6; font-family: "Songti SC", STSong, serif; font-size: clamp(20px, 2.3vw, 29px); line-height: 1.25; }
.map-card-head { padding: 4px 4px 15px; }
.map-status { display: inline-flex; align-items: center; gap: 7px; color: var(--paper-dim); font-size: 9px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--jade); box-shadow: 0 0 10px rgba(105,199,155,.7); }
.map-stage { position: relative; height: clamp(480px, 59vw, 680px); max-height: 680px; min-height: 480px; overflow: hidden; border: 1px solid rgba(174,201,190,.13); border-radius: 13px; background: #142a2f; }
#fuzhou-map { width: 100%; height: 100%; background: radial-gradient(circle at 45% 45%, #1c3a3c, #12262c 64%); }
.leaflet-container { font: inherit; }
.leaflet-control-zoom a { border-color: var(--line) !important; background: rgba(7,18,22,.91) !important; color: var(--paper-muted) !important; }
.leaflet-control-attribution { background: rgba(5,14,17,.78) !important; color: #8da09a !important; font-size: 8px !important; }
.leaflet-control-attribution a { color: #c7d6d0 !important; }
.map-tile-warning { position: absolute; z-index: 700; top: 12px; left: 50%; transform: translateX(-50%); width: max-content; max-width: calc(100% - 100px); padding: 8px 11px; border: 1px solid rgba(220,136,120,.38); border-radius: 999px; background: rgba(29,19,18,.9); color: #e5a097; font-size: 9px; text-align: center; pointer-events: none; }
.map-key { position: absolute; z-index: 600; right: 11px; bottom: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 11px; padding: 10px 11px; border: 1px solid var(--line); border-radius: 10px; background: rgba(5,16,19,.82); color: #adbbb6; font-size: 8px; backdrop-filter: blur(8px); pointer-events: none; }
.map-key span { display: inline-flex; align-items: center; gap: 5px; }
.map-key i { width: 7px; height: 7px; border-radius: 50%; }
.key-priority { background: var(--priority); }.key-recommended { background: var(--recommended); }.key-conditional { background: var(--conditional); }.key-cautious { background: var(--cautious); }
.map-footnote { margin: 11px 4px 2px; color: var(--paper-dim); font-size: 9px; line-height: 1.65; }

.rank-marker { display: grid; place-items: center; width: 32px !important; height: 32px !important; margin: 0 !important; border: 2px solid rgba(247,246,232,.82); border-radius: 50% 50% 50% 7px; transform: rotate(-45deg); box-shadow: 0 7px 16px rgba(0,0,0,.34); color: #071014; font: 800 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; transition: filter .2s, transform .2s; }
.rank-marker span { transform: rotate(45deg); }
.rank-marker--priority { background: var(--priority); }.rank-marker--recommended { background: var(--recommended); }.rank-marker--conditional { background: var(--conditional); }.rank-marker--cautious { background: var(--cautious); }.rank-marker--insufficient { background: #7d8b87; }
.rank-marker.is-selected { filter: brightness(1.22); box-shadow: 0 0 0 5px rgba(240,210,142,.22), 0 9px 21px rgba(0,0,0,.42); transform: rotate(-45deg) scale(1.12); }

.ranking-card { position: sticky; top: 14px; padding: 20px; max-height: calc(100vh - 28px); overflow: hidden; }
.ranking-head { padding-bottom: 13px; border-bottom: 1px solid var(--line); }
.snapshot-date { color: var(--paper-dim); font: 600 8px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; text-align: right; }
.ranking-intro { margin: 13px 0 14px; color: var(--paper-dim); font-size: 9px; line-height: 1.65; }
.ranking-list { display: grid; gap: 7px; max-height: calc(100vh - 180px); padding-right: 4px; overflow-y: auto; scrollbar-color: rgba(209,172,96,.3) transparent; }
.rank-item { width: 100%; display: grid; grid-template-columns: 32px minmax(0,1fr) auto; gap: 10px; align-items: center; padding: 11px; border: 1px solid rgba(174,201,190,.11); border-radius: 12px; background: rgba(4,15,18,.34); color: inherit; text-align: left; cursor: pointer; transition: border-color .18s, background .18s, transform .18s; }
.rank-item:hover { border-color: rgba(209,172,96,.28); transform: translateY(-1px); }
.rank-item.is-selected { border-color: var(--line-strong); background: linear-gradient(130deg, rgba(209,172,96,.13), rgba(82,142,124,.08)); }
.rank-number { color: var(--gold); font: 600 17px/1 ui-monospace, SFMono-Regular, Menlo, monospace; text-align: center; }
.rank-number::before { content: "#"; color: var(--paper-dim); font-size: 8px; }
.rank-copy { min-width: 0; }
.rank-copy strong { display: block; overflow: hidden; color: #dce6e1; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.rank-copy span { display: flex; align-items: center; gap: 6px; margin-top: 5px; color: var(--paper-dim); font-size: 8px; }
.rank-copy span i { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.rank-copy .band-dot--priority { color: var(--priority); }.rank-copy .band-dot--recommended { color: var(--recommended); }.rank-copy .band-dot--conditional { color: var(--conditional); }.rank-copy .band-dot--cautious { color: var(--cautious); }
.rank-score { min-width: 44px; color: var(--gold-soft); font: 650 18px/1 ui-monospace, SFMono-Regular, Menlo, monospace; text-align: right; }
.rank-score small { display: block; margin-top: 6px; color: var(--paper-dim); font: 500 7px/1.2 inherit; }
.ranking-empty { padding: 30px 15px; border: 1px dashed var(--line); border-radius: 12px; color: var(--paper-dim); font-size: 10px; text-align: center; }

.detail-card { margin-top: 18px; padding: 23px; }
.detail-placeholder { display: flex; align-items: center; justify-content: center; gap: 13px; min-height: 124px; color: var(--paper-dim); }
.detail-placeholder > span { font-size: 30px; color: var(--gold); }
.detail-placeholder strong { display: block; color: var(--paper-muted); font-size: 12px; }
.detail-placeholder p { margin: 5px 0 0; font-size: 9px; }
.detail-head { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.detail-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.detail-meta span { padding: 4px 7px; border: 1px solid var(--line); border-radius: 999px; color: var(--paper-muted); font-size: 8px; }
.detail-head h2 { margin: 11px 0 5px; font-family: "Songti SC", STSong, serif; font-size: clamp(22px, 3vw, 33px); }
.detail-head p { margin: 0; color: var(--paper-dim); font: 500 9px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.detail-score { display: grid; grid-template-columns: auto auto; align-content: start; align-items: baseline; min-width: 115px; color: var(--gold-soft); text-align: right; }
.detail-score strong { font: 650 42px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: -.08em; }
.detail-score > span { margin-left: 4px; color: var(--paper-dim); font-size: 8px; }
.detail-score em { grid-column: 1 / -1; margin-top: 6px; color: var(--paper-muted); font-size: 9px; font-style: normal; }
.detail-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 26px; padding: 22px 0; }
.detail-grid h3 { margin: 0 0 13px; color: var(--paper-muted); font-size: 10px; letter-spacing: .08em; }
.component-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
.component-row { display: grid; grid-template-columns: 72px 1fr auto; gap: 8px; align-items: center; }
.component-row label { color: var(--paper-dim); font-size: 8px; }
.component-track { height: 4px; overflow: hidden; border-radius: 9px; background: rgba(174,201,190,.09); }
.component-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #68998b, var(--gold)); }
.component-row strong { min-width: 25px; color: #bdcac5; font: 600 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace; text-align: right; }
.highlight-list { display: grid; gap: 7px; }
.highlight-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 10px; border-left: 2px solid var(--jade); background: rgba(105,199,155,.06); color: var(--paper-muted); font-size: 9px; }
.highlight-item.is-caution { border-left-color: var(--conditional); background: rgba(212,164,82,.06); }
.highlight-item strong { color: #dce6e1; font: 600 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.reason-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 11px; }
.reason-chip { padding: 5px 7px; border: 1px solid rgba(174,201,190,.12); border-radius: 7px; color: var(--paper-dim); font-size: 8px; line-height: 1.4; }
.detail-footer { padding-top: 16px; border-top: 1px solid var(--line); }
.evidence-line { display: flex; flex-wrap: wrap; gap: 7px; }
.evidence-badge { display: inline-flex; align-items: center; gap: 5px; color: var(--paper-dim); font-size: 8px; }
.evidence-badge::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--jade); box-shadow: 0 0 7px rgba(105,199,155,.5); }
.evidence-badge.is-warning::before { background: var(--conditional); box-shadow: none; }
.detail-actions { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-top: 16px; }
.detail-actions > div span, .detail-actions > div strong, .detail-actions > div small { display: block; }
.detail-actions > div span { color: var(--paper-dim); font-size: 8px; }
.detail-actions > div strong { margin-top: 5px; color: var(--paper-muted); font-size: 10px; }
.detail-actions > div small { margin-top: 5px; color: #586b65; font: 500 7px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.survey-link { flex: 0 0 auto; padding: 10px 13px; border: 1px solid var(--line-strong); border-radius: 9px; background: rgba(209,172,96,.09); color: var(--gold-soft); font-size: 9px; text-decoration: none; transition: background .2s, color .2s; }
.survey-link:hover { background: var(--gold); color: #0b171a; }

.method-section, .weight-section, .source-section { margin-top: 54px; padding: clamp(24px, 4vw, 46px); }
.method-section { display: grid; grid-template-columns: .74fr 1.26fr; gap: clamp(35px, 8vw, 100px); }
.method-intro h2, .source-section > div:first-child h2 { margin: 10px 0 15px; font-family: "Songti SC", STSong, serif; font-size: clamp(27px, 3.4vw, 42px); line-height: 1.2; }
.method-intro p { margin: 0; color: var(--paper-muted); font-size: 12px; line-height: 1.85; }
.method-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.method-steps article { padding: 18px; border-top: 1px solid var(--line-strong); background: rgba(5,16,19,.23); }
.method-steps article > span { color: var(--gold); font: 650 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.method-steps h3 { margin: 28px 0 9px; color: #dce6e1; font-size: 12px; }
.method-steps p { margin: 0; color: var(--paper-dim); font-size: 9px; line-height: 1.7; }
.weight-section { margin-top: 18px; }
.rule-revision { color: var(--paper-dim); font: 600 8px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.weight-table-wrap { margin-top: 25px; overflow-x: auto; }
.weight-table { width: 100%; min-width: 650px; border-collapse: collapse; }
.weight-table th, .weight-table td { padding: 13px 16px; border-bottom: 1px solid var(--line); color: var(--paper-muted); font-size: 10px; text-align: left; }
.weight-table thead th { color: var(--paper-dim); font-size: 8px; letter-spacing: .08em; }
.weight-table tbody th { color: var(--gold-soft); }
.source-section { display: grid; grid-template-columns: .45fr 1.55fr; gap: 38px; }
.source-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.source-grid article { padding: 17px; border: 1px solid var(--line); border-radius: 12px; background: rgba(5,16,19,.24); }
.source-grid h3 { margin: 0 0 9px; color: #dce6e1; font-size: 11px; }
.source-grid p { display: grid; gap: 6px; margin: 0; color: var(--paper-dim); font-size: 9px; line-height: 1.7; }
.source-grid a { color: #9fbbb0; text-decoration: none; }
.source-grid a:hover, .source-grid a:focus-visible { color: var(--gold-soft); }
.disclaimer { grid-column: 1 / -1; display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding-top: 25px; border-top: 1px solid var(--line); }
.disclaimer strong { color: var(--gold); font-size: 10px; }
.disclaimer p { margin: 0; color: var(--paper-dim); font-size: 9px; line-height: 1.75; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; padding: 34px 3px 5px; color: #516660; font-size: 9px; }
.site-footer a { color: #718a82; }
.noscript-message { position: fixed; z-index: 2000; inset: auto 16px 16px; padding: 14px; border: 1px solid var(--line-strong); border-radius: 10px; background: #101f22; color: var(--paper-muted); font-size: 11px; }

@media (max-width: 1120px) {
    .atlas-layout { grid-template-columns: minmax(0, 1.35fr) minmax(310px, .75fr); }
    .component-list { grid-template-columns: 1fr; }
    .method-section { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .page-shell { padding-inline: 18px; }
    .hero { grid-template-columns: 1fr; padding-top: 45px; }
    .hero-stats { max-width: 650px; }
    .control-deck { grid-template-columns: 1fr; }
    .purpose-explainer { grid-column: 1; }
    .atlas-layout { grid-template-columns: 1fr; }
    .ranking-card { position: static; max-height: none; }
    .ranking-list { max-height: none; }
    .source-section { grid-template-columns: 1fr; }
}

@media (max-width: 650px) {
    .page-shell { padding: 14px 11px 22px; }
    .site-header { align-items: flex-start; }
    .header-nav { display: grid; gap: 5px; }
    .header-nav a { padding: 6px 9px; font-size: 9px; text-align: center; }
    .hero { gap: 34px; padding: 38px 5px 42px; }
    .hero h1 { font-size: clamp(39px, 12.4vw, 59px); }
    .hero-copy > p { font-size: 12px; }
    .hero-stats div { min-height: 86px; padding: 15px; }
    .control-deck { padding: 12px; }
    .purpose-switch { grid-template-columns: 1fr; }
    .purpose-button { min-height: 56px; }
    .district-filter { display: grid; grid-template-columns: repeat(4, 1fr); }
    .district-button { padding-inline: 5px; }
    .map-card { padding: 10px; }
    .map-card-head { align-items: flex-start; flex-direction: column; gap: 7px; }
    .map-stage { height: 455px; min-height: 455px; }
    .map-key { right: 7px; bottom: 21px; }
    .map-tile-warning { max-width: calc(100% - 22px); border-radius: 8px; }
    .ranking-card, .detail-card { padding: 16px; }
    .detail-head { align-items: flex-start; }
    .detail-score { min-width: 88px; }
    .detail-score strong { font-size: 34px; }
    .detail-grid { grid-template-columns: 1fr; }
    .component-list { grid-template-columns: 1fr; }
    .detail-actions { align-items: stretch; flex-direction: column; }
    .survey-link { width: 100%; text-align: center; }
    .method-section, .weight-section, .source-section { margin-top: 18px; padding: 22px 17px; }
    .method-steps, .source-grid { grid-template-columns: 1fr; }
    .method-steps h3 { margin-top: 16px; }
    .disclaimer { grid-template-columns: 1fr; gap: 8px; }
    .site-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}