*{box-sizing:border-box} :root{--ink:#213e37;--green:#28594d;--muted:#707c70;--paper:#f5f3eb;--line:#dfe2d6;--gold:#b28747;--red:#a75844}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:14px}button,input,select,textarea{font:inherit}button,.button{cursor:pointer;border:1px solid var(--line);background:#fffdf7;color:var(--ink);border-radius:6px;padding:8px 12px;transition:background .15s}button:hover,.button:hover{background:#e6ede3}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #b58b49;outline-offset:3px}a{color:var(--green)}.topbar{min-height:78px;padding:16px 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);background:#fffdf8}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:Georgia,"Noto Serif SC","SimSun",serif;font-size:24px;font-weight:bold;letter-spacing:3px}.seal{display:grid;place-items:center;background:var(--red);color:#fff7dd;width:40px;height:43px;border-radius:7px 3px;font-size:29px;box-shadow:inset 0 0 0 3px #f1dac6}.brand small{display:block;font-size:10px;font-family:sans-serif;letter-spacing:2px;font-weight:normal;color:var(--muted);margin-top:5px}.header-actions{display:flex;align-items:center;gap:8px;font-size:12px}.offline{color:var(--green);margin-right:12px}.intro{padding:27px 32px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--muted)}h1{font-family:Georgia,"SimSun",serif;font-weight:normal;font-size:34px;letter-spacing:3px;margin:12px 0 8px}.intro p{color:var(--muted);margin:0;font-size:13px}.stats{display:flex;gap:35px;margin-right:20px}.stats strong{display:block;font:29px Georgia,serif}.stats span{color:var(--muted);font-size:11px;letter-spacing:2px}.workspace{display:grid;grid-template-columns:220px minmax(360px,1fr) 390px;gap:14px;padding:0 24px;max-width:1840px;margin:auto;align-items:start}.panel{border:1px solid var(--line);border-radius:10px;background:#fffdf8;overflow:hidden}.library,.reader,.explorer{height:calc(100vh - 272px);min-height:730px;max-height:1060px}.library{display:flex;flex-direction:column}.library-head{padding:18px 14px 8px}.library h2{font-size:14px;margin:0 0 16px;display:flex;justify-content:space-between;align-items:center}.library h2 span{font-size:11px;font-weight:normal;color:var(--muted)}.search-wrap{position:relative}.search-wrap span{position:absolute;font-size:23px;left:8px;top:3px;color:var(--muted)}input[type=search]{width:100%;border:1px solid var(--line);background:#f5f5ee;border-radius:5px;padding:10px 7px 10px 29px;font-size:11px}select{width:100%;margin:8px 0 0;padding:8px 6px;border:1px solid var(--line);border-radius:5px;background:#fffdf8;color:var(--ink);font-size:12px}.filter-row{display:flex;gap:7px}.filter-row select{min-width:0}.filter-row button{margin-top:8px;white-space:nowrap;padding:5px 8px;font-size:12px}.filter-row button[aria-pressed=true]{background:var(--green);color:white}.text-button{border:0;background:none;padding:8px 0;font-size:11px;color:var(--muted)}.poem-list{overflow-y:auto;flex:1;padding:0 8px}.poem-card{display:block;width:100%;text-align:left;border:0;border-left:3px solid transparent;border-radius:5px;padding:13px 10px;margin:2px 0;background:transparent}.poem-card.active{background:#eaf0e5;border-left-color:var(--green)}.poem-card b{display:block;font:17px "SimSun",serif;margin-bottom:7px;line-height:1.4}.poem-card small{display:block;color:var(--muted);font-size:11px;line-height:1.6}.poem-card .snippet{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:6px;color:#949888;font-family:"SimSun",serif}.library-foot{padding:12px;font-size:10px;color:var(--muted);line-height:1.8;border-top:1px solid var(--line)}.explorer{overflow-y:auto}.view-tabs{display:flex;gap:20px;border-bottom:1px solid var(--line);padding:0 20px;position:sticky;top:0;background:#fffdf8;z-index:3}.view-tabs button{border:0;border-radius:0;padding:18px 0;font-size:13px;background:transparent;color:var(--muted)}.view-tabs .active{border-bottom:3px solid var(--green);color:var(--green);font-weight:bold}.view-head{display:flex;align-items:flex-start;justify-content:space-between;padding:18px 20px 12px;gap:10px}.view-head h2{font-size:18px;font-family:"SimSun",serif;margin:0 0 7px}.subtle{font-size:11px;color:var(--muted);line-height:1.8}.view-head select{width:105px;margin:0}.map-shell{position:relative;margin:0 12px;background:#eaf0e5;border:1px solid #d4dece;border-radius:7px;overflow:hidden}.geo-map{display:block;width:100%;height:370px;touch-action:none;cursor:grab;background:#edf1e7}.geo-map:active{cursor:grabbing}.map-controls{position:absolute;right:10px;top:10px;display:flex;flex-direction:column;gap:4px}.map-controls button{padding:4px 8px;font-size:15px;box-shadow:0 2px 3px #0001}.map-controls #map-reset{font-size:10px;padding:7px 4px}.compass{position:absolute;left:14px;top:15px;font:13px Georgia,serif;color:#739381;line-height:1.2;text-align:center}.map-caption{position:absolute;bottom:9px;left:12px;font-size:9px;color:#68816f;pointer-events:none}.pin{cursor:pointer}.pin circle{stroke:#fffaf0;stroke-width:2}.pin text{font-family:"Microsoft YaHei",sans-serif;font-size:11px;paint-order:stroke;stroke:#f2f5ea;stroke-width:3px;fill:#34554a;font-weight:600;stroke-linejoin:round}.pin:hover .pin-dot,.pin.selected .pin-dot{fill:var(--red)!important}.pin .pin-halo{opacity:.17;stroke:none;pointer-events:none}.pin:focus{outline:none}.pin:focus circle{stroke:#b28747;stroke-width:4}.river{fill:none;stroke:#96b7bc;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.river-label{fill:#65939b;font:13px "SimSun",serif;letter-spacing:5px}.terrain-label{fill:#a0b39c;font:15px "SimSun",serif;letter-spacing:7px}.map-grid{stroke:#d9e1d2;stroke-width:.6;stroke-dasharray:3 6}.legend{padding:11px 20px;display:flex;flex-wrap:wrap;gap:12px;font-size:10px;color:var(--muted)}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:5px}.dot.red{background:var(--red)}.place-detail{padding:17px 20px 22px;border-top:1px solid var(--line)}.place-detail h3{font:22px "SimSun",serif;margin:0 0 9px}.place-detail p{font-size:12px;line-height:1.9;color:#667467;margin:9px 0}.eyebrow-tag{font-size:9px;text-transform:uppercase;color:var(--gold);letter-spacing:2px;margin-bottom:8px}.place-poem{display:block;width:100%;text-align:left;background:#f4f5ed;border:0;margin:7px 0;padding:10px 12px;font-size:12px}.place-poem b{font-weight:normal}.place-poem small{display:block;margin-top:5px;color:var(--muted);line-height:1.6}.role{display:inline-block;color:var(--green);border:1px solid #c9d7c3;border-radius:3px;padding:1px 5px;font-size:10px;margin-right:5px}.reader{overflow-y:auto}.reader-top{padding:23px 25px 20px;background:linear-gradient(140deg,#f8f4e8,#f1f1e6);border-bottom:1px solid var(--line);position:relative}.reader .poem-meta{font-size:11px;color:#7b826e;margin:9px 0}.reader h2{font:28px/1.5 "SimSun",serif;margin:6px 25px 6px 0;letter-spacing:1px}.favorite{position:absolute;right:18px;top:23px;padding:2px 7px;font-size:23px;color:var(--gold);border:0;background:transparent}.tag{display:inline-block;padding:3px 7px;background:#e5ebdc;color:#607154;font-size:10px;border-radius:3px;margin-right:5px;margin-top:4px}.reader-nav{display:flex;flex-wrap:wrap;padding:10px 18px;border-bottom:1px solid var(--line);gap:5px;position:sticky;top:0;z-index:2;background:#fffdf8}.reader-nav a{font-size:11px;text-decoration:none;padding:5px 7px;color:var(--muted)}.reader-nav a:hover{background:#edf0e4}.reader-section{padding:20px 25px;border-bottom:1px solid var(--line);scroll-margin-top:60px}.reader-section h3{font-size:12px;letter-spacing:2px;margin:0 0 15px;color:var(--green);display:flex;align-items:center;gap:8px}.reader-section h3:before{content:"";height:12px;width:3px;background:var(--gold)}.poem-text{font:19px/2.1 "SimSun",serif;letter-spacing:1px}.poem-text p{margin:0 0 5px}.word-link{border:0;border-bottom:1px dashed #9eaa7a;border-radius:0;padding:0;background:transparent;font:inherit;color:var(--ink)}.word-link:hover{background:#f1e7c8}.word-hint{margin:12px 0 0;color:var(--muted);font-size:10px}.translation p,.reader-section>p{font-size:13px;line-height:2;margin:10px 0;color:#506459}.word-bank{display:flex;gap:7px;flex-wrap:wrap;margin-top:15px}.word-bank button{font-size:12px;padding:5px 9px}.quote{border-left:2px solid var(--gold);padding:0 0 0 13px;margin:18px 0}.quote b{font:17px/1.8 "SimSun",serif}.quote p{font-size:12px;line-height:1.9;color:var(--muted);margin:8px 0}.reader details summary{cursor:pointer;font-size:12px;color:var(--green);line-height:1.8}.sources{font-size:11px;line-height:1.9;overflow-wrap:anywhere;padding-left:18px}.sources li{margin:7px 0}.sources small{display:block;color:var(--muted)}.reader textarea{width:100%;min-height:100px;padding:12px;background:#f8f8f0;border:1px solid var(--line);border-radius:5px;resize:vertical;color:var(--ink);font-size:12px;line-height:1.8}.note-hint{font-size:10px;color:var(--muted);line-height:1.8;margin-top:7px}.timeline-head{padding:20px}.timeline-head h2{font:26px "SimSun",serif;margin:0 0 10px}.timeline{padding:5px 25px 25px 44px}.event{position:relative;border-left:1px solid #ccd9c2;padding:0 0 23px 22px}.event:before{position:absolute;content:"";width:8px;height:8px;border-radius:50%;left:-5px;top:3px;background:#90a78a;box-shadow:0 0 0 4px #f4f5ed}.event.poem-event:before{background:var(--gold)}.event.history:before{background:#b88f80}.event time{font:13px Georgia,serif;color:var(--gold)}.event h3{font-size:14px;font-weight:normal;margin:7px 0}.event p{font-size:12px;color:var(--muted);line-height:1.9;margin:5px 0}.event button{font-size:12px;padding:7px 11px;margin-top:5px}.event.current button{background:var(--green);color:white}.event .event-type{font-size:9px;color:var(--muted);margin-left:10px}.graph-options{display:flex;flex-wrap:wrap;gap:5px;padding:0 20px 14px}.graph-options button{font-size:11px;padding:6px 9px}.graph-options button.active{background:var(--green);color:white}.graph-svg{width:100%;height:350px;background:radial-gradient(ellipse,#f1f3e7,transparent);display:block}.graph-node{cursor:pointer}.graph-node circle{fill:#f9f5e9;stroke:#b9c9ae;stroke-width:1.4}.graph-node.active circle{fill:var(--green);stroke:var(--green)}.graph-node text{font-family:"SimSun",serif;font-size:13px;fill:var(--ink)}.graph-node.active text{fill:#fff8e5}.graph-node:hover circle{stroke:var(--gold);stroke-width:3}.graph-edge{stroke:#c7d3bd;stroke-width:1.4}.graph-cross-edge{stroke:#d6ddd0;stroke-dasharray:3 4;stroke-width:1}.relation-list{padding:10px 20px 22px}.relation-card{width:100%;display:block;text-align:left;background:#f5f5ed;border:0;padding:12px;margin:7px 0}.relation-card b{font:17px "SimSun",serif}.relation-card small{display:block;font-size:11px;color:var(--muted);line-height:1.8;margin-top:6px}.relation-card .rel-tag{font-size:9px;color:var(--gold);display:block;margin-bottom:5px}.empty{padding:24px;text-align:center;font-size:12px;color:var(--muted);line-height:2}.mini-link{font-size:10px}.route-button{font-size:11px;margin-top:5px}.route-info{padding:10px 20px;color:var(--muted);font-size:11px;line-height:1.8}footer{padding:20px 26px;font-size:10px;color:var(--muted);display:flex;justify-content:space-between;gap:20px}dialog{border:1px solid var(--line);border-radius:12px;background:#fffdf6;color:var(--ink);max-width:680px;width:calc(100% - 36px);padding:32px;max-height:85vh;box-shadow:0 20px 100px #1b352c3d}dialog::backdrop{background:#1b352c77;backdrop-filter:blur(2px)}dialog h2{font:27px "SimSun",serif;margin:8px 0 18px}dialog h3{font-size:15px;margin-top:25px}dialog p,dialog li{font-size:13px;line-height:2}dialog .close{float:right;font-size:23px;line-height:1;border:0;background:transparent;padding:0 0 12px 12px}dialog table{border-collapse:collapse;width:100%;font-size:12px;margin:14px 0}dialog th,dialog td{text-align:left;padding:9px;border-bottom:1px solid var(--line)}#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);border-radius:7px;background:var(--green);color:#fffdf3;padding:12px 20px;z-index:20;font-size:12px;box-shadow:0 6px 30px #163c3033;max-width:90vw;display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.no-source{font-size:10px;color:var(--muted)}
@media(min-width:1600px){.workspace{grid-template-columns:250px minmax(400px,1fr) 450px}.geo-map{height:440px}.reader-section{padding:23px 30px}.reader-top{padding:25px 30px}.poem-text{font-size:21px}.library,.reader,.explorer{min-height:830px}}
@media(max-width:1190px){.workspace{grid-template-columns:210px minmax(0,1fr)}.reader{grid-column:1/-1;height:auto;max-height:none;min-height:0;columns:2;column-gap:0}.reader-top,.reader-nav{column-span:all}.reader-section{break-inside:avoid}.library,.explorer{height:790px;min-height:0}.stats{gap:20px}.header-actions{flex-wrap:wrap;justify-content:flex-end}.geo-map{height:420px}}
@media(max-width:680px){.topbar{padding:13px 16px;align-items:flex-start}.brand{font-size:20px;letter-spacing:1px}.brand small{font-size:8px;letter-spacing:1px}.seal{width:32px;height:37px;font-size:25px}.header-actions{max-width:150px;gap:5px;font-size:10px}.header-actions button,.header-actions .button{font-size:10px;padding:5px 6px}.offline{display:none}.intro{padding:24px 18px;display:block}.intro h1{font-size:27px}.intro p{font-size:11px}.stats{margin:20px 0 0;gap:30px}.stats>div{display:flex;align-items:baseline;gap:7px}.stats strong{font-size:22px}.stats span{font-size:10px}.workspace{grid-template-columns:minmax(0,1fr);padding:0 12px;gap:12px}.library{height:auto;max-height:355px}.library-head{padding:14px 14px 5px;display:grid;grid-template-columns:1fr 1fr;column-gap:8px}.library-head h2{grid-column:1/-1;margin-bottom:10px}.library-head .search-wrap{grid-column:1/-1}.library-head .filter-row select{width:54%}.library-head select{font-size:11px}.library-head .text-button{text-align:left;padding:5px 0}.poem-list{max-height:145px;display:grid;grid-template-columns:1fr 1fr;gap:2px}.poem-card{padding:8px;min-width:0}.poem-card b{font-size:15px}.poem-card small{font-size:10px}.poem-card .snippet{display:none}.library-foot{font-size:9px;padding:8px 14px}.library-foot br{display:none}.explorer{height:auto;max-height:none;min-height:0}.view-tabs{gap:24px;padding:0 18px}.view-tabs button{font-size:12px}.geo-map{height:360px}.view-head{padding:16px}.place-detail{padding:16px}.reader{grid-column:auto;columns:auto}.reader-section{padding:20px 22px}.reader-top{padding:20px 22px}.reader h2{font-size:26px}.poem-text{font-size:19px}.graph-svg{height:320px}.graph-options{padding-left:16px}.graph-options button{font-size:10px}.relation-list{padding:10px 16px}footer{display:block;padding:18px;font-size:9px;line-height:1.9}footer span{display:block}.intro .eyebrow{font-size:9px}.map-caption{font-size:8px}.graph-node text{font-size:12px}}
@media print{.topbar,.intro,.library,.explorer,footer,.reader-nav,.favorite,.notes-section{display:none!important}.workspace{display:block;padding:0}.reader{height:auto;max-height:none;overflow:visible;border:0;columns:auto}.reader-section{break-inside:avoid}.reader-top{background:none}.sources a{color:black}}

/* Verified readability and bounded scroll regions. */
.library,.reader,.explorer{position:relative}.geo-map{height:480px}.pin text{font-size:15px}.graph-svg{height:420px}.graph-node text{font-size:17px}.place-index{padding:4px 20px 14px;font-size:11px;color:var(--muted)}.place-index summary{cursor:pointer}.place-index>div{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.place-index button{font-size:10px;padding:5px 7px}.place-event{margin:12px 0;padding:12px;background:#f6f3e9;border-left:2px solid #bca679;font-size:11px}.place-event button{font-size:10px;padding:5px 8px}.place-event p{font-size:11px;margin:5px 0}.place-detail h3{line-height:1.5}@media(max-width:680px){.geo-map{height:360px}.pin text{font-size:24px}.pin:not(.related):not(.selected) text{display:none}.pin circle{r:7px}.graph-svg{height:355px}.graph-node text{font-size:17px}.map-caption{max-width:80%;font-size:8px}.place-index{padding-left:16px}}

.nearby-places{display:flex;flex-wrap:wrap;align-items:center;gap:6px;color:var(--muted);font-size:11px;margin:12px 0}.nearby-places button{font-size:11px;padding:5px 8px}

/* List-to-reader navigation and viewport-aware map labels. */
.reader-list-head{padding:23px 24px 18px;background:#eff2e7;border-bottom:1px solid var(--line)}.reader-list-head h2{margin:0 0 9px;font-size:25px}.list-summary{font-size:13px;color:var(--green);line-height:1.8}.reader-list-head p{font-size:12px;line-height:1.8;color:var(--muted)}.reader-list-head button{margin-top:7px;font-size:12px}
#reader-list{padding:8px 13px 18px}.reader-poem{display:block;text-align:left;width:100%;padding:17px 13px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent}.reader-poem b{display:block;font:20px/1.6 "SimSun",serif}.reader-poem small{display:block;font-size:11px;line-height:1.8;color:var(--muted);margin:5px 0}.reader-poem .list-snippet{font:14px/1.8 "SimSun",serif;color:#526656;margin-top:8px}.reader-poem .place-match{font-size:11px;line-height:1.8;margin-top:9px;color:#617355}
.reader-actions{position:sticky;top:0;z-index:4;padding:12px 15px;background:#fffdf8f5;border-bottom:1px solid var(--line);backdrop-filter:blur(5px);box-shadow:0 3px 10px #213e3710}.reader-actions #reader-back{display:block;width:100%;background:var(--green);color:white;border-color:var(--green);font-weight:bold;font-size:14px;padding:10px}.reader-actions>div{display:flex;gap:8px;margin-top:8px}.reader-actions [data-view]{flex:1;padding:7px 5px;font-size:11px;white-space:nowrap}.reader-nav{position:static}.reader-section{scroll-margin-top:125px}.empty-exploration{padding:65px 25px;text-align:center;line-height:2;color:var(--muted)}.empty-exploration h2{font:24px "SimSun",serif;color:var(--ink)}.empty-exploration p{font-size:13px}.map-status{padding:9px 20px 0;font-size:11px;color:var(--green)}.map-controls button:disabled{opacity:.4;cursor:default}.open-place-list{margin:12px 0 3px;background:var(--green);color:white}.pin text{pointer-events:none}
@media(max-width:1190px){.reader{columns:auto}.reader-actions{top:0}}@media(max-width:680px){.pin:not(.related):not(.selected) text{display:initial}.reader-actions{padding:12px}.reader-list-head{padding:20px}.empty-exploration{padding:35px 20px}}@media print{.reader-actions{display:none}}

.pin text{pointer-events:auto;cursor:pointer}.pin-hit{stroke:none;fill:transparent}.pin:hover .pin-hit{fill:#28594d12}.pin:focus .pin-hit{stroke:none}