@charset "UTF-8";
:root{--pine:#173f35;--deep:#12362d;--ink:#213d34;--paper:#f7f5ee;--warm:#e8dfc8;--red:#a74737;--muted:#6a776e;--line:#dce1d7;--white:#fffefa;--serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;--sans:"Microsoft YaHei UI","Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.7}button,a,input{ -webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{opacity:.42;cursor:default}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid #d3a45e;outline-offset:4px}button{border:0;background:none}h1,h2,h3,p{margin-top:0}img{max-width:100%;display:block}.topbar{height:88px;display:flex;align-items:center;justify-content:space-between;padding:0 36px;border-bottom:1px solid var(--line);background:var(--white);gap:20px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;font-size:23px;letter-spacing:3px;font-family:var(--serif);font-weight:700}.brand-mark{display:grid;place-items:center;background:var(--pine);color:#f3e8ce;width:42px;height:46px;border-radius:3px;font-size:27px;letter-spacing:0}.brand small{display:block;font:11px/1.7 var(--sans);letter-spacing:2px;font-weight:400;color:var(--muted)}nav{display:flex;gap:8px}.nav-btn{font-size:15px;padding:12px 18px;position:relative}.nav-btn.active{color:var(--red)}.nav-btn.active:after{content:"";position:absolute;bottom:2px;height:2px;background:var(--red);left:18px;right:18px}.icon-btn{border:1px solid var(--line);border-radius:50%;width:38px;height:38px;font-size:23px;display:grid;place-items:center}.map-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);min-height:calc(100vh - 88px)}.map-panel{position:relative;height:calc(100vh - 88px);min-height:640px;overflow:hidden;background:#e5eddc}.map-heading{position:absolute;left:30px;top:25px;z-index:5;pointer-events:none}.eyebrow{font-size:12px;letter-spacing:3px;color:var(--muted);margin-bottom:10px}.map-heading h1{font-family:var(--serif);font-size:34px;font-weight:600;letter-spacing:3px;margin:0 0 6px}.map-heading p{font-size:14px;color:var(--muted)}.map-stage{width:100%;height:100%;overflow:hidden;touch-action:none;position:relative;cursor:grab}.map-stage.dragging{cursor:grabbing}.map-world{position:absolute;left:50%;top:50%;width:942px;height:1100px;transform-origin:center;will-change:transform}.map-svg{width:100%;height:100%;pointer-events:none}.map-svg text{font:16px var(--sans);fill:#7a8b7a;letter-spacing:3px}.map-svg .map-area-label{font:23px var(--serif);fill:#647c68;letter-spacing:6px}.map-svg .road{fill:none;stroke:#f8f8eb;stroke-linejoin:round;stroke-linecap:round}.map-svg .small-path{fill:none;stroke:#f5f6df;stroke-width:7;stroke-linejoin:round;stroke-linecap:round}.map-pin{position:absolute;width:148px;height:118px;padding:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:visible}.map-pin:hover,.map-pin.active{z-index:4}.map-pin .pin-art{width:134px;height:105px;display:block;filter:drop-shadow(0 4px 4px #25442e1f)}.pin-art.atlas{background-image:var(--landmark-atlas,url('assets/landmarks.png'));background-repeat:no-repeat;background-size:300% 200%}.pin-label{white-space:nowrap;border-radius:4px;padding:5px 12px;background:#fffef4f5;box-shadow:0 2px 10px #143d2916;color:#294334;font-size:15px;font-weight:600;display:flex;align-items:center;gap:7px;border:1px solid #d8d8bd}.map-pin.active .pin-label{background:var(--pine);border-color:var(--pine);color:#fff}.pin-step{display:grid;place-items:center;font-size:11px;background:var(--red);color:white;width:20px;height:20px;border-radius:50%;font-weight:500}.plaza-art{position:relative;background:radial-gradient(ellipse at center,#e2d3ac 0 17%,#f4ecd1 18% 30%,#bfd1a7 31% 35%,#f4ecd1 36% 47%,transparent 48%);width:115px;height:86px}.map-controls{position:absolute;right:24px;bottom:63px;display:flex;flex-direction:column;background:var(--white);border:1px solid #d5dccc;border-radius:8px;box-shadow:0 3px 15px #25442e12;z-index:6}.map-controls button{width:43px;height:41px;font-size:22px;line-height:1;border-bottom:1px solid var(--line)}.map-controls button:last-child{border:0;font-size:16px}.north{position:absolute;right:29px;top:28px;color:var(--pine);z-index:4;display:grid;place-items:center;font-size:12px;gap:2px}.north i{display:block;clip-path:polygon(50% 0,100% 100%,50% 70%,0 100%);background:var(--pine);width:15px;height:30px}.map-credit{position:absolute;left:24px;right:24px;bottom:18px;display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:12px;color:#4e6455;z-index:5;pointer-events:none}.map-credit button{font-size:12px;border-bottom:1px solid #7c8c72;padding:2px 0;pointer-events:auto}.legend{position:absolute;bottom:59px;left:25px;background:#fffcf1dd;border:1px solid #d3d8c6;padding:9px 13px;border-radius:4px;font-size:12px;color:#5c6f59;z-index:4}.legend b{color:#bb931f;font-weight:400;letter-spacing:2px}.sidebar{background:var(--white);border-left:1px solid var(--line);height:calc(100vh - 88px);min-height:640px;overflow:auto;scrollbar-width:thin}.sidebar-inner{padding:31px 28px}.sidebar h2{font-family:var(--serif);font-size:29px;line-height:1.45;letter-spacing:2px;font-weight:600;margin-bottom:16px}.sidebar h3{font-size:16px;margin:25px 0 12px}.sidebar p{font-size:15px;line-height:1.85}.sidebar .intro{color:var(--muted);margin-bottom:23px}.primary{background:var(--pine);color:#fffefa;border-radius:4px;padding:12px 18px;font-size:15px;display:flex;align-items:center;justify-content:space-between;width:100%;gap:15px;transition:background .2s}.primary:hover{background:#265a48}.secondary{border:1px solid var(--line);border-radius:4px;padding:9px 13px;font-size:14px;background:var(--white)}.tour-meta{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;margin:13px 0 27px}.route-list{list-style:none;margin:0;padding:0}.route-list li{position:relative;padding-bottom:5px}.route-list li:not(:last-child):before{content:"";position:absolute;left:16px;top:37px;bottom:-4px;border-left:1px solid #d7ddce}.route-item{width:100%;display:flex;align-items:center;text-align:left;gap:12px;padding:12px 0}.route-num{width:33px;height:33px;border:1px solid #d6dcca;border-radius:50%;display:grid;place-items:center;font-family:var(--serif);font-size:15px;background:#fbfbf4}.route-item:hover .route-num,.route-item.visited .route-num{background:var(--pine);color:#fff;border-color:var(--pine)}.route-item strong{font-weight:500;font-size:15px;display:block}.route-item small{font-size:12px;color:var(--muted)}.route-item .arrow{margin-left:auto;color:#8b9a89}.story-teaser{margin-top:28px;padding:22px 20px;background:#edf0e5;border:1px solid #dce4d6;position:relative;overflow:hidden}.story-teaser .eyebrow{font-size:11px;margin-bottom:8px}.story-teaser h3{font-family:var(--serif);font-size:23px;margin:0 0 8px;font-weight:500}.story-teaser p{font-size:13px;max-width:200px;color:#61715d}.text-link{padding:0;border-bottom:1px solid #acb5a1;font-size:13px}.small-note{font-size:12px;color:var(--muted);margin-top:25px;line-height:1.8}.detail-back{color:var(--muted);font-size:13px;padding:0;margin-bottom:23px;display:flex;align-items:center;gap:8px}.detail-kicker{display:flex;justify-content:space-between;font-size:12px;letter-spacing:1px;color:var(--red);margin-bottom:12px}.detail-hero{height:145px;margin:-8px 0 20px;background:#edf1e4;display:flex;justify-content:center;align-items:center;position:relative}.detail-hero .pin-art{width:180px;height:140px}.detail-hero small{position:absolute;right:8px;bottom:4px;font-size:10px;color:#7c8974}.detail-lead{font-family:var(--serif);font-size:19px!important;color:#536a56;margin-bottom:20px}.detail-actions{display:flex;gap:8px;margin:18px 0;flex-wrap:wrap}.detail-actions button{flex:1;white-space:nowrap}.photo-empty{border:1px dashed #bdc9b6;background:#f8f9f2;border-radius:4px;padding:18px;margin:18px 0}.photo-empty span{display:block;font-size:14px;margin-bottom:3px}.photo-empty small{font-size:12px;color:var(--muted)}.gallery-image{width:100%;max-height:240px;object-fit:cover;border-radius:3px}.gallery-button{padding:0;width:100%;text-align:left}.caption{font-size:12px!important;color:var(--muted);margin:7px 0 13px;line-height:1.7!important}.gallery-controls{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.detail-nav{display:flex;gap:10px;margin-top:24px}.detail-nav button{flex:1}.detail-source{font-size:12px;color:var(--muted);margin-top:20px}.detail-source a{display:block;margin:5px 0}.museum-tabs{display:flex;gap:5px;border-bottom:1px solid var(--line);margin:22px 0 20px;overflow:auto}.museum-tabs button{font-size:13px;padding:8px 7px;white-space:nowrap;border-bottom:2px solid transparent}.museum-tabs button.active{border-color:var(--red);color:var(--red)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:20px 0}.stat{border-right:1px solid var(--line)}.stat:last-child{border:0}.stat strong{display:block;font:26px/1.2 var(--serif);color:var(--red)}.stat small{font-size:11px;color:var(--muted)}.visit-title{font-family:var(--serif);font-size:23px;line-height:1.6;margin-top:14px}blockquote{margin:20px 0;padding:14px 0 14px 18px;border-left:3px solid var(--red);font-family:var(--serif);font-size:18px;line-height:1.9}.story-page{max-width:1250px;margin:0 auto;padding:34px 40px 60px}.story-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:25px}.story-top h1{font-family:var(--serif);font-size:36px;font-weight:500;letter-spacing:3px;margin-bottom:8px}.story-top p{color:var(--muted);font-size:14px}.story-grid{display:grid;grid-template-columns:260px minmax(0,1fr);border:1px solid var(--line);background:var(--white)}.shot-list{border-right:1px solid var(--line);padding:14px 0}.shot-button{display:flex;gap:12px;width:100%;padding:13px 20px;text-align:left;font-size:14px;border-left:3px solid transparent}.shot-button.active{background:#edf1e6;border-color:var(--red)}.shot-button small{display:block;font-size:11px;color:var(--muted)}.shot-index{color:#97a18f;font-family:var(--serif);font-size:22px}.shot-stage{padding:30px 34px;display:grid;grid-template-columns:38% 1fr;gap:30px;align-items:center;min-height:450px}.shot-art{height:350px;background:#edf0e3;position:relative;overflow:hidden}.shot-art img{width:100%;height:100%;object-fit:cover}.shot-word{position:absolute;left:13px;top:15px;font-family:var(--serif);font-size:45px;color:var(--pine)}.shot-content h2{font-family:var(--serif);font-size:31px;font-weight:500;margin-bottom:18px}.shot-content p{font-size:15px}.shot-content .source-boundary{font-size:12px;color:var(--muted);padding-top:13px;border-top:1px solid var(--line)}.shot-time{font-size:12px;letter-spacing:2px;color:var(--red);margin-bottom:13px}.shot-footer{display:flex;gap:10px;margin-top:20px}.story-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:22px;align-items:center}.story-bottom p{font-size:13px;color:var(--muted);max-width:780px;margin:0}.sources-page{max-width:960px;padding:50px 35px;margin:auto}.sources-page h1{font:36px var(--serif);margin-bottom:25px}.source-card{padding:24px 0;border-top:1px solid var(--line)}.source-card h2{font-family:var(--serif);font-size:21px}.source-card p{font-size:14px;color:var(--muted);margin-bottom:6px}.map-reference{max-height:65vh;object-fit:contain;margin:auto}.sources-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}dialog{border:0;border-radius:8px;padding:0;max-width:min(1000px,94vw);max-height:92vh;box-shadow:0 25px 100px #001b2670;background:var(--white);color:var(--ink)}dialog::backdrop{background:#142e27cf;backdrop-filter:blur(5px)}.dialog-close{position:sticky;float:right;top:12px;right:12px;margin:12px;width:36px;height:36px;border-radius:50%;background:#fff;box-shadow:0 1px 5px #0002;z-index:10;font-size:26px;line-height:1}.dialog-body,#dialog-body{padding:20px 30px 30px}.lightbox-img{max-height:72vh;margin:auto}.lightbox-caption{font-size:13px;margin:14px 0 0}.poster{width:580px;max-width:100%;background:#ececdc;color:var(--pine);position:relative;overflow:hidden;padding:40px 38px;border:1px solid #dadcc8}.poster .eyebrow{font-size:11px}.poster h2{font:37px/1.4 var(--serif);letter-spacing:4px;font-weight:600;margin-bottom:15px;position:relative;z-index:2}.poster img{height:360px;width:100%;object-fit:contain;mix-blend-mode:multiply}.poster-data{display:flex;gap:22px;justify-content:space-between;border-top:1px solid #a5b79b;padding-top:18px}.poster-data strong{font:34px/1.4 var(--serif);display:block;color:var(--red)}.poster-data span{font-size:12px}.poster-note{font-size:11px;line-height:1.8;margin:18px 0 0;color:#5e6d59}.poster-actions{display:flex;gap:12px;margin-top:20px}.video-frame{width:100%;max-height:75vh}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--pine);color:#fff;padding:10px 18px;border-radius:5px;font-size:14px;z-index:30;display:none}
@media(min-width:1500px){.map-layout{grid-template-columns:minmax(0,1fr) minmax(0,2fr)}.sidebar-inner{padding:36px}}
@media(max-width:1000px){.topbar{padding:0 22px}.map-layout{grid-template-columns:minmax(0,1fr) minmax(0,2fr)}.map-heading h1{font-size:28px}.sidebar-inner{padding:26px 23px}.story-page{padding:30px 24px}.shot-stage{padding:24px;gap:20px}.shot-art{height:300px}.nav-btn{padding:12px 12px}}
@media(max-width:760px){.topbar{height:72px;padding:0 16px;gap:12px}.brand{font-size:19px;letter-spacing:2px;gap:8px}.brand-mark{width:32px;height:36px;font-size:23px}.brand small{font-size:10px;letter-spacing:1px}.nav-btn{font-size:13px;padding:10px 7px}.nav-btn.active:after{left:7px;right:7px}.icon-btn{display:none}.map-layout{display:block}.map-panel{height:65vh;min-height:500px}.map-heading{left:18px;top:16px}.map-heading h1{font-size:27px}.map-heading .eyebrow{font-size:10px}.map-heading p{font-size:12px}.north{top:18px;right:18px}.map-credit{font-size:10px;left:15px;right:15px;bottom:13px}.map-credit button{font-size:11px}.legend{left:16px;bottom:43px;font-size:10px}.map-controls{right:15px;bottom:47px}.map-controls button{width:38px;height:36px}.sidebar{height:auto;min-height:0;border-left:0;border-top:1px solid var(--line)}.sidebar-inner{padding:26px 24px 36px}.sidebar h2{font-size:28px}.story-teaser{margin-top:22px}.tour-meta{margin-bottom:15px}.route-list{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.route-list li:before{display:none}.story-top{display:block}.story-top h1{font-size:30px}.story-top .secondary{margin-top:4px}.story-page{padding:26px 18px 40px}.story-grid{display:block}.shot-list{display:flex;overflow:auto;border-right:0;border-bottom:1px solid var(--line);padding:0}.shot-button{min-width:140px;padding:12px 15px;border-left:0;border-bottom:3px solid transparent}.shot-stage{grid-template-columns:1fr;padding:20px;gap:20px}.shot-art{height:190px}.shot-art img{object-fit:cover;object-position:center 40%}.shot-word{font-size:36px}.shot-content h2{font-size:27px}.story-bottom{display:block}.story-bottom .secondary{margin-top:18px}.sources-page{padding:30px 22px}.sources-grid{grid-template-columns:1fr}#dialog-body{padding:18px}.poster{padding:28px 22px}.poster h2{font-size:30px}.poster-data{gap:12px}.poster-data strong{font-size:26px}.poster img{height:300px}.poster-data span{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.map-pin{transform:translate(-50%,-50%) scale(var(--pin-scale,1));transform-origin:center;width:166px}.map-pin .pin-label{position:absolute;top:100%;margin-top:2px}.map-pin .pin-art{width:118px;height:118px}.detail-hero .pin-art.atlas{width:144px;height:144px}.map-pin .plaza-art{width:118px;height:92px}.pin-label{font-size:16px}.field-notes{margin-top:20px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:13px}.field-notes summary{cursor:pointer}.field-notes ul{padding-left:20px}.map-world>img{width:100%;height:100%;object-fit:fill}.poster-actions a{text-decoration:none}.shot-button:disabled{opacity:.4}
@media(max-width:760px){.map-panel{min-height:580px}.map-pin{height:84px}.map-pin .pin-art{width:84px;height:84px}.pin-label{font-size:16px;padding:4px 8px}.brand{flex-shrink:0}.topbar{gap:4px}.topbar nav{gap:0}.nav-btn{font-size:12px;padding:10px 6px}.brand small{font-size:9px}.map-heading{max-width:calc(100% - 55px)}.map-heading h1{font-size:25px}}
@media(max-width:360px){.topbar{padding:0 10px}.brand-mark{display:none}.brand{font-size:17px}.nav-btn{font-size:11px}.poster-data{gap:8px}.poster-data strong{font-size:23px}}
@media print{body{background:white}.topbar,main,.dialog-close,.poster-actions{display:none}dialog[open]{position:static;display:block;max-height:none;box-shadow:none;border:0}dialog::backdrop{display:none}.poster{width:100%;max-width:none}}

.route-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}.poster-export{margin:0;background:#ececdc}.poster-export .topbar{display:none}.poster-export main{width:580px}

@media(min-width:761px){
  .map-heading{left:22px;right:46px}
  .map-heading h1{font-size:clamp(20px,2vw,28px);letter-spacing:2px}
  .map-heading p{font-size:13px}
  .north{right:18px}
  .map-controls{right:16px;bottom:82px}
  .map-credit{left:16px;right:16px;flex-wrap:wrap;gap:4px 12px;font-size:11px}
  .legend{left:16px;bottom:82px;font-size:11px}
  .sidebar-inner{padding:36px 42px 44px;max-width:1050px;margin:auto}
  .sidebar h2{font-size:36px}
  .sidebar p{font-size:17px;line-height:1.9}
  .sidebar .small-note{font-size:13px}
  .detail-hero{height:190px;margin-bottom:24px}
  .detail-hero .pin-art.atlas{width:190px;height:190px}
  .detail-lead{font-size:23px!important}
  .gallery-image{max-height:520px;object-fit:contain;background:#edf0e3}
  .gallery-button{display:block}
  .museum-tabs{gap:20px}
  .museum-tabs button{font-size:16px;padding:10px 14px}
  .stats{gap:22px;margin:26px 0}
  .stat strong{font-size:36px}
  .stat small{font-size:13px}
  .route-list{display:grid;grid-template-columns:1fr 1fr;gap:6px 30px}
  .route-list li:before{display:none}
  .route-item strong{font-size:17px}
  .story-teaser p{max-width:none}
}
@media(min-width:761px) and (max-width:1399px){
  .map-pin{height:90px}
  .map-pin .pin-art{width:90px;height:90px}
  .pin-label{font-size:16px;padding:4px 8px}
  .sidebar-inner{padding:30px}
}

/* 线段固定在图标之间，仅按顺序切换亮度。 */
.route-dash{stroke:#d8ae2f;stroke-width:5;stroke-linecap:round;opacity:.9}
.route-leg.is-current .route-dash{stroke:#cda027;opacity:1}
.route-leg.is-current .route-dash.is-lit{stroke:#fff176;opacity:1;filter:drop-shadow(0 0 1px #b88412) drop-shadow(0 0 5px #ffe34a)}
.map-next{position:absolute;left:16px;bottom:83px;z-index:6;width:132px;justify-content:center;padding:10px 16px}
@media(min-width:761px){.legend{bottom:43px}}

.gallery-image{width:auto;max-width:100%;height:auto;margin-inline:auto;object-fit:contain}