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var(--gutter) 0;font-size:11px;color:var(--muted)}.empty-state{grid-column:1/-1;text-align:center;padding:60px 20px;border:1px dashed var(--line)}.empty-state h2{font-size:25px;margin-bottom:15px}.empty-state p{font-size:13px;color:var(--muted);margin-bottom:20px}.relay-layout{padding:45px var(--gutter) 70px;display:grid;grid-template-columns:1.15fr 1fr;gap:50px;max-width:1600px;margin:auto}.passport{background:#e9e3d4;border:1px solid #c9bfaa;padding:37px;position:relative;box-shadow:8px 8px 0 #e0d9c8}.passport::before{content:"";position:absolute;inset:12px;border:1px solid #c9bfaa;pointer-events:none}.passport-top{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.passport h2{font:30px var(--serif);letter-spacing:6px}.passport-top .passport-mark{width:48px;height:48px;border:1px solid var(--red);color:var(--red);font:15px/1.4 var(--serif);display:grid;place-items:center;transform:rotate(-9deg);text-align:center}.passport .fine-print{font-size:10px;margin-top:12px}.stamp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px 10px;margin:25px 0}.passport-stamp{border:1px dashed #bfb9a7;aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#656e60;position:relative;transition:transform .2s}.passport-stamp strong{font:16px var(--serif);letter-spacing:1px}.passport-stamp small{font:8px var(--mono);margin-top:8px}.passport-stamp.is-visited{border:1.5px solid var(--red);color:var(--red);border-radius:50%;transform:rotate(-6deg)}.passport-stamp.is-visited:nth-child(even){transform:rotate(6deg)}.passport-stamp:hover{transform:translateY(-3px)}.passport-stamp.is-visited::after{content:"阅";position:absolute;top:3px;right:8px;font:10px var(--serif)}.passport-progress{display:flex;justify-content:space-between;font-size:10px;margin-top:15px}.passport-progress b{font:18px var(--mono);color:var(--red)}.passport-actions{margin-top:25px;position:relative}.relay-side h2{font:28px var(--serif);letter-spacing:3px;margin:13px 0}.relay-side>p{font-size:13px;color:var(--muted);line-height:2;margin-bottom:24px}.note-form label{font-size:12px;display:block;margin-bottom:9px}.note-form select,.note-form textarea{border:1px solid var(--line);background:var(--paper-light);padding:12px 14px;width:100%;color:var(--ink);font-size:12px;border-radius:0}.note-form select{margin-bottom:20px;min-height:44px}.note-form textarea{min-height:130px;resize:vertical;line-height:2}.form-meta{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin:5px 0 18px}.form-error{color:var(--red);font-size:12px;margin-bottom:12px}.saved-note{border-top:1px solid var(--line);margin-top:30px;padding-top:20px}.saved-note h3{font:19px var(--serif);margin:5px 0 13px}.saved-note p{font-size:12px;color:var(--muted);line-height:2;white-space:pre-wrap;overflow-wrap:anywhere}.saved-note small{font:9px var(--mono);color:var(--muted)}.action-progress{display:flex;gap:10px;align-items:center;margin-top:15px;font-size:12px}.action-progress input{accent-color:var(--red);width:17px;height:17px}.relay-data-tools{border-top:1px solid var(--line);padding-top:23px;margin-top:28px;display:flex;gap:20px;flex-wrap:wrap;font-size:11px;color:var(--muted)}.relay-data-tools button:hover{color:var(--red)}.about-layout{padding:55px var(--gutter) 80px;display:grid;grid-template-columns:1fr 2fr;gap:8%;max-width:1500px;margin:auto}.about-summary{font:26px/1.9 var(--serif);letter-spacing:2px}.about-content section+section{margin-top:42px}.about-content h2{font:25px var(--serif);letter-spacing:2px;margin-bottom:16px}.about-content p{font-size:13px;line-height:2.2;color:var(--muted)}.source-list{padding:0;list-style:none;counter-reset:sources}.source-list li{counter-increment:sources;display:grid;grid-template-columns:35px 1fr;gap:10px;border-top:1px solid var(--line);padding:16px 0}.source-list li::before{content:counter(sources,decimal-leading-zero);font:11px var(--mono);color:var(--red);margin-top:4px}.source-list a{font-size:12px;overflow-wrap:anywhere}.source-list a:hover{color:var(--red);text-decoration:underline}.source-list small{display:block;font-size:10px;color:var(--muted);margin-top:7px}.site-footer{border-top:1px solid var(--line);padding:45px var(--gutter);display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;background:#ede8dc}.footer-brand{font:24px var(--serif);letter-spacing:3px}.footer-brand span{display:block;font:10px var(--sans);letter-spacing:1px;margin-top:11px}.site-footer p{font-size:10px;color:var(--muted);line-height:2;margin-top:22px}.footer-links{display:flex;flex-direction:column;gap:16px;font-size:11px;justify-self:center}.footer-links a:hover{color:var(--red)}.footer-note{font-size:10px;color:var(--muted);line-height:2;justify-self:end}.footer-edition{display:block;margin-top:20px;font:9px var(--mono);letter-spacing:2px}dialog{background:var(--paper-light);color:var(--ink);border:1px solid var(--line);padding:32px;max-height:85svh;width:min(660px,calc(100% - 32px));box-shadow:0 20px 90px #132a2445}dialog::backdrop{background:#132a2466;backdrop-filter:blur(5px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.dialog-head h2{font:24px/1.5 var(--serif);letter-spacing:1px}.dialog-close{font-size:26px;flex-shrink:0}.search-field{display:flex;align-items:center;gap:15px;border-bottom:1px solid var(--ink);padding:4px 0 14px}.search-field>span{font-size:28px;line-height:1}.search-field input{background:none;border:0;outline:none;min-width:0;flex:1;color:var(--ink);font-size:15px}.search-field kbd{font:9px var(--mono);color:var(--muted);border:1px solid var(--line);padding:3px}.search-hint{font-size:11px;color:var(--muted);margin-top:11px}.search-results{margin-top:22px}.search-result{display:flex;padding:14px 0;border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px}.search-result strong{font-weight:400;font-size:14px}.search-result small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.search-result:hover{color:var(--red)}.detail-dialog{width:min(780px,calc(100% - 32px));padding:0}.detail-dialog .dialog-head{padding:20px 28px;margin:0}.detail-dialog .dialog-head h2{font-size:15px}.detail-dialog .detail-art{width:100%;height:240px;object-fit:cover}.detail-body{padding:30px}.detail-body h2{font-size:32px;letter-spacing:3px;margin:10px 0 20px}.detail-body p{font-size:14px;line-height:2.2;margin-bottom:18px}.detail-body .source-box{padding:17px;background:var(--paper);font-size:11px;line-height:2;color:var(--muted);margin:25px 0}.detail-body .source-box a{color:var(--ink);text-decoration:underline;text-underline-offset:4px}.detail-body .button-row{border-top:1px solid var(--line);padding-top:22px}.setting-row{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-top:1px solid var(--line);font-size:14px}.setting-row small{display:block;font-size:10px;color:var(--muted);margin-top:5px}.toggle-button{border:1px solid var(--line);padding:5px 16px;font-size:11px}.toggle-button[aria-checked=true]{background:var(--ink);color:var(--paper)}.settings-dialog .fine-print{margin:22px 0}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,15px);background:var(--ink);color:var(--paper);font-size:12px;padding:12px 23px;z-index:1200;pointer-events:none;opacity:0;transition:opacity .2s,transform .2s;max-width:calc(100% - 40px);text-align:center;box-shadow:0 6px 20px #283b3522}.toast.show{opacity:1;transform:translate(-50%,0)}.no-script{padding:60px var(--gutter)}.no-script p{margin:20px 0}.reveal{animation:rise .6s both}.reveal:nth-child(2){animation-delay:.08s}.reveal:nth-child(3){animation-delay:.16s}@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.reduce-motion *,.reduce-motion *::before,.reduce-motion *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@media(min-width:1600px){.hero-copy{padding-left:calc(var(--gutter) + 20px)}.hero-description{max-width:380px}.hero-actions{margin-top:42px}.hero-subtitle{font-size:19px}.hero-description{font-size:14px}.chapter-grid{gap:32px}.atlas-layout{grid-template-columns:1fr 400px}.atlas-detail{padding:37px}.atlas-detail-img{height:190px}.atlas-canvas{min-height:690px}}
@media(max-width:1150px){.site-header{gap:16px}.brand-name{font-size:20px}.brand-name small{font-size:6px;letter-spacing:1.8px}.desktop-nav{gap:20px;font-size:12px}.header-actions{gap:7px}.passport-link{gap:7px}.passport-link .small-dot{display:none}.home-hero{min-height:660px}.hero-copy h1{font-size:68px}.hero-description{max-width:280px}.hero-stat b{font-size:26px}.hero-stats{gap:30px}.map-teaser-copy{padding:33px}.atlas-layout{grid-template-columns:minmax(0,1fr) 310px}.atlas-detail{padding:23px}.journey-layout{grid-template-columns:165px 1fr;gap:25px}.chapter-title-row h2{font-size:28px}.relay-layout{gap:35px}.passport{padding:29px}.stamp-grid{gap:13px 7px}.passport-stamp strong{font-size:14px}.passport h2{font-size:26px}.memory-section{gap:7%}}
@media(max-width:900px){:root{--gutter:30px}.desktop-nav{display:none}.menu-toggle{display:inline-grid}.header-actions{gap:14px}.site-header{height:82px}.brand-name{font-size:23px}.home-hero{height:740px;min-height:0;max-height:none}.hero-copy{padding-bottom:90px}.hero-copy h1{font-size:64px}.hero-art{left:34%;opacity:.88}.hero-description{max-width:245px}.hero-overprint{top:25px}.hero-seal{right:30px;width:65px;height:65px;font-size:17px}.hero-actions{gap:20px;flex-wrap:wrap}.hero-stats{gap:22px}.hero-stat{gap:8px}.hero-stat b{font-size:23px}.scroll-hint{font-size:9px}.intro-band{gap:7%}.intro-quote{font-size:25px}.section{padding-top:65px;padding-bottom:65px}.chapter-grid{gap:18px}.chapter-card h3{font-size:22px}.chapter-card p{font-size:11px}.chapter-meta{font-size:8px}.map-teaser{grid-template-columns:1.3fr 1fr;min-height:400px}.map-teaser-copy h2{font-size:27px}.map-teaser-copy{padding:25px}.memory-section h2{font-size:31px}.journey-layout{display:block;padding-top:15px}.journey-sidebar{position:static;border:0;padding:0}.journey-sidebar>.eyebrow,.journey-sidebar>.progress-caption,.journey-sidebar>.progress-track{display:none}.chapter-tabs{flex-direction:row;gap:20px;overflow:auto;white-space:nowrap;margin:0 0 25px}.chapter-tab{font-size:13px;gap:8px;flex-shrink:0;padding:14px 0}.page-heading-number{font-size:60px}.atlas-layout{grid-template-columns:minmax(0,1fr) 290px}.atlas-detail{padding:19px}.atlas-detail-img{height:125px}.atlas-canvas{min-height:570px}.atlas-detail h2{font-size:26px}.atlas-detail .node-summary{font-size:12px}.timeline-nodes{overflow:auto;display:flex;gap:25px;padding-bottom:12px}.timeline-nodes button{flex:0 0 49px}.timeline-nodes::before{left:0;right:0;min-width:860px}.archive-grid{gap:22px;grid-template-columns:repeat(2,1fr)}.relay-layout{grid-template-columns:1fr 1fr;gap:27px}.passport{padding:24px}.passport h2{font-size:23px;letter-spacing:3px}.passport-top{gap:8px}.stamp-grid{grid-template-columns:repeat(3,1fr)}.relay-side h2{font-size:25px}.passport-stamp small{font-size:7px}.about-layout{grid-template-columns:1fr 2fr;gap:40px}.about-summary{font-size:23px}.site-footer{gap:25px}.footer-note{font-size:9px}}
@media(max-width:680px){:root{--gutter:22px;--body-size:14px}.site-header{height:76px;padding:0 20px}.brand-mark{width:29px;height:37px;font-size:14px}.brand-name{font-size:20px;letter-spacing:2px}.brand-name small{font-size:5px;letter-spacing:1.7px}.header-actions{gap:7px}.passport-link{display:none}.icon-button{width:35px;height:35px}.search-open{font-size:28px}.menu-toggle{font-size:21px}.home-hero{display:block;height:auto;min-height:860px}.hero-copy{justify-content:start;padding:33px var(--gutter) 0;position:relative}.commemoration{font-size:9px;margin-bottom:18px}.commemoration b{width:25px;height:25px;font-size:12px}.hero-copy h1{font-size:58px;line-height:1.3;letter-spacing:.12em}.hero-copy h1 br{display:none}.hero-copy h1 .red-word{display:block;margin-left:47px}.hero-subtitle{font-size:13px;letter-spacing:3px;margin-top:20px}.hero-description{font-size:11px;max-width:100%;margin-top:10px;line-height:2}.hero-actions{margin-top:23px;gap:25px}.hero-actions .button{min-height:44px;padding:10px 20px}.hero-footnote{margin-top:18px;font-size:8px}.hero-art{top:400px;left:0;bottom:76px;width:100%;height:auto;opacity:1}.hero-map{object-fit:cover;object-position:center}.hero-art::before{background:linear-gradient(180deg,var(--paper) 0%,transparent 15%,transparent 80%,var(--paper))}.hero-overprint{display:none}.hero-seal{bottom:110px;right:25px;width:57px;height:57px;font-size:15px}.hero-bottom{left:22px;right:22px;padding:18px 0;gap:14px}.hero-stats{gap:23px;flex:1;justify-content:space-between}.hero-stat{display:block}.hero-stat b{display:block;font-size:25px;margin-bottom:7px}.hero-stat span{display:block;font-size:8px}.scroll-hint{display:none}.intro-band{display:block;padding:42px var(--gutter)}.intro-quote{font-size:26px;line-height:1.8;letter-spacing:2px}.intro-text{margin-top:23px;font-size:12px}.section{padding:48px var(--gutter)}.section-top{margin-bottom:25px;align-items:start;gap:15px}.section-top .text-link{font-size:10px;gap:10px;white-space:nowrap;margin-top:25px}.section-title{font-size:29px;letter-spacing:2px;margin-top:10px}.section-copy{font-size:11px;margin-top:9px}.eyebrow{font-size:8px;letter-spacing:1.3px}.chapter-grid{grid-template-columns:1fr;gap:27px}.chapter-image{aspect-ratio:1.7}.chapter-meta{font-size:9px}.chapter-card h3{font-size:26px}.chapter-card p{font-size:12px}.map-preview-section{padding-top:8px}.map-teaser{display:block;min-height:0}.map-teaser-art{min-height:300px;background-size:cover}.map-teaser-copy{padding:30px}.map-teaser-copy h2{font-size:29px}.map-teaser-copy p{font-size:12px}.memory-section{display:flex;flex-direction:column;padding:44px var(--gutter);gap:15px;align-items:start}.memory-section h2{font-size:31px;margin:15px 0 20px}.memory-section p{font-size:12px}.memory-object{min-height:250px;width:100%}.memory-object img{width:90%}.memory-object .object-label{font-size:10px;bottom:10px}.relay-teaser{padding:54px var(--gutter) 65px}.relay-teaser h2{font-size:28px;line-height:1.8;letter-spacing:2px}.relay-teaser p{font-size:12px;line-height:2}.page-heading{padding:33px var(--gutter) 27px;gap:15px}.page-heading h1{font-size:36px;letter-spacing:3px;margin:11px 0}.page-heading p{font-size:12px;line-height:2}.page-heading-number{display:none}.breadcrumb{font-size:10px;margin-bottom:17px}.journey-layout{padding:10px var(--gutter) 45px}.chapter-tabs{gap:18px;margin-bottom:20px}.chapter-tab{font-size:12px}.chapter-cover{aspect-ratio:1.55}.chapter-cover-badge{top:13px;left:13px;font-size:8px}.chapter-title-row{align-items:start;margin:24px 0 18px;gap:10px}.chapter-title-row h2{font-size:27px;letter-spacing:2px}.chapter-title-row .button{font-size:10px;padding:7px 11px;min-height:38px;gap:5px}.chapter-date{font-size:8px}.chapter-subtitle{font-size:16px;letter-spacing:1px}.article-copy{line-height:2.15}.event-strip{grid-template-columns:1fr;gap:12px;margin:25px 0}.event-tile{padding:20px}.event-tile h3{font-size:22px}.chapter-navigation .button{padding:10px 15px;gap:13px;font-size:11px}.lab-box{padding:21px}.lab-box h3{font-size:22px}.crossing-demo{display:block}.crossing-step-buttons{margin-top:18px}.crossing-info p{font-size:11px}.atlas-toolbar{padding:16px var(--gutter);display:block}.map-help{font-size:10px;margin-top:10px}.segmented-control button{padding:7px 16px;font-size:11px}.atlas-layout{display:flex;flex-direction:column}.atlas-canvas{min-height:430px;height:430px;flex-shrink:0}.map-overlay .node-label{font-size:12px;stroke-width:4px}.map-key{top:14px;left:15px;font-size:8px;padding:7px 10px}.map-north{right:16px;top:13px;font-size:8px}.map-controls{left:15px;bottom:16px}.atlas-detail{border-left:0;border-top:1px solid var(--line);padding:25px var(--gutter)}.atlas-detail-img{display:none}.atlas-detail h2{font-size:28px;margin:8px 0}.atlas-detail .node-summary{font-size:13px;margin:17px 0}.atlas-detail .button-row{margin-top:0}.atlas-detail .node-source{font-size:10px;margin-top:17px}.terrain-note{font-size:11px;margin-bottom:17px}.atlas-timeline{padding:20px var(--gutter) 8px;order:1}.timeline-top{font-size:8px;gap:20px}.atlas-caption{font-size:9px;line-height:1.9}.archive-tools{padding:19px var(--gutter);gap:15px}.filter-buttons{gap:3px}.filter-buttons button{padding:6px 11px;font-size:11px}.archive-search{width:100%;min-width:0}.archive-grid{grid-template-columns:1fr;padding-top:22px;padding-bottom:40px;gap:24px}.archive-count{padding-top:18px;font-size:10px}.archive-card-art{aspect-ratio:1.85}.archive-card-content{padding:22px}.archive-card h2{font-size:25px}.relay-layout{display:block;padding:30px var(--gutter) 45px}.passport{padding:28px;margin-right:8px}.passport h2{font-size:28px}.stamp-grid{grid-template-columns:repeat(3,1fr);gap:17px 12px}.passport-stamp strong{font-size:17px}.passport-stamp small{font-size:8px}.passport-actions .button{font-size:11px;padding:10px 13px;gap:10px;flex:1}.relay-side{margin-top:50px}.relay-side h2{font-size:28px}.note-form textarea,.note-form select{font-size:13px}.about-layout{display:block;padding:35px var(--gutter) 50px}.about-summary{font-size:27px;margin-bottom:35px}.about-content h2{font-size:25px}.about-content p{font-size:12px}.site-footer{padding:35px var(--gutter);grid-template-columns:1.3fr 1fr;gap:30px 20px}.footer-brand{font-size:23px}.footer-brand span{font-size:9px;line-height:1.8;letter-spacing:0}.site-footer p{font-size:9px;margin-top:17px}.footer-links{justify-self:start;font-size:10px;gap:14px}.footer-note{grid-column:1/-1;justify-self:start;width:100%;border-top:1px solid var(--line);padding-top:21px;position:relative;font-size:9px}.footer-edition{position:absolute;right:0;bottom:0;font-size:8px}dialog{padding:23px;max-height:88svh}.dialog-head h2{font-size:21px}.detail-dialog .detail-art{height:190px}.detail-body{padding:23px}.detail-body h2{font-size:28px}.detail-body p{font-size:13px}.detail-body .button{font-size:11px;padding:10px 16px;gap:14px}.search-field input{font-size:13px}.toast{font-size:11px;bottom:20px;width:max-content}.setting-row small{font-size:9px}.settings-dialog .fine-print{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.site-footer,.passport-actions,.note-form,.relay-data-tools,.header-actions,.toast{display:none!important}.page-heading,.relay-layout{padding:15px!important}.relay-layout{display:block}.passport{break-inside:avoid;box-shadow:none;max-width:600px}.relay-side{margin-top:30px}.site-footer{display:none}body::before{display:none}body{background:white}.button{display:none}.chapter-tabs{display:none}a{color:inherit}}

/* Keep schematic map geometry undistorted; mobile visitors can pan the drawing. */
@media(max-width:680px){.atlas-canvas{overflow-x:auto;overflow-y:hidden}.atlas-canvas .map-surface{width:680px;height:430px;inset:0 auto auto 0}.atlas-canvas .map-key,.atlas-canvas .map-north,.atlas-canvas .map-controls{position:sticky;display:table}.atlas-canvas .map-key{left:15px;top:14px}.atlas-canvas .map-north{left:calc(100% - 35px);top:-15px}.atlas-canvas .map-controls{left:15px;top:310px;white-space:nowrap}.atlas-canvas .map-controls button{display:inline-block}}