:root{--bg:#f4f6f8;--paper:#fff;--ink:#203047;--muted:#7b8798;--line:#e5eaf0;--green:#167a69;--blue:#527fcd;--soft:#e8f3ef}*{box-sizing:border-box}body{margin:0;font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}button,input{font:inherit}button{cursor:pointer}header{background:white;border-bottom:1px solid var(--line);padding:18px 36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:18px;font-weight:750;display:flex;align-items:center;gap:12px}.mark{width:35px;height:35px;background:var(--green);color:white;border-radius:10px;display:grid;place-items:center;font-size:22px}header nav{display:flex;gap:30px;color:var(--muted)}header nav b{color:var(--green)}.preview{font-size:11px;border:1px solid #dce5e4;color:#6f8680;padding:4px 11px;border-radius:20px}main{max-width:1510px;padding:30px 34px;margin:auto}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--green);font-weight:700}h1{font-size:27px;margin:8px 0 5px;letter-spacing:-.6px}.intro{color:var(--muted);margin:0 0 24px}.top{display:flex;align-items:center;justify-content:space-between;gap:20px}.search{background:white;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;padding:0 14px;gap:10px;width:320px}.search input{width:100%;border:0;outline-offset:3px;padding:12px 0;background:transparent;color:var(--ink)}.layout{display:grid;grid-template-columns:190px minmax(380px,1fr) 290px;gap:18px}.panel{border:1px solid var(--line);border-radius:14px;background:var(--paper)}.side{padding:22px 14px}.section-label{font-size:11px;letter-spacing:1px;color:var(--muted);padding:0 10px;margin-bottom:12px}.side button{width:100%;text-align:left;padding:10px;border:0;background:transparent;border-radius:8px;color:#65758a;display:flex;justify-content:space-between;margin-bottom:5px}.side button.active{color:var(--green);background:var(--soft);font-weight:650}.side small{font-size:11px;opacity:.7}.side hr{border:0;border-top:1px solid var(--line);margin:21px 10px}.dot{width:8px;height:8px;display:inline-block;border-radius:50%;margin-right:8px;background:var(--green)}.dot.blue{background:var(--blue)}.legend-row{font-size:12px;margin:12px 10px;color:#78869b}.note{font-size:11px;line-height:1.9;color:#92a0b0;margin:25px 10px 0}.canvas{overflow:hidden;display:flex;flex-direction:column}.canvas-head{padding:17px 21px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px}.canvas-head strong{font-size:14px}.controls{display:flex;gap:6px}.controls button{background:white;border:1px solid var(--line);border-radius:6px;padding:5px 10px;color:#6b7c90;font-size:12px}.controls button.active{border-color:#a5c9bf;color:var(--green);background:#f4faf7}.graph{position:relative;min-height:440px;background:radial-gradient(circle,#cbd4de 0.7px,transparent 0.8px);background-size:19px 19px;flex:1}.graph svg{width:100%;height:440px;display:block}.graph-status{padding:12px 20px;color:var(--muted);font-size:11px;border-top:1px solid var(--line)}svg .node{cursor:pointer}svg .node:focus{outline:0}svg .node:focus .node-body{stroke:#203047;stroke-width:3}svg text{pointer-events:none;font-family:inherit}.detail{padding:23px;align-self:start}.type{font-size:11px;color:var(--green);background:var(--soft);display:inline-block;padding:3px 9px;border-radius:5px}.detail h2{font-size:25px;margin:13px 0 5px}.detail .english{font-size:11px;color:var(--muted);margin:0 0 17px}.desc{font-size:13px;line-height:1.95;color:#62738a}.detail h3{font-size:12px;margin:22px 0 8px}.tags{display:flex;gap:6px;flex-wrap:wrap}.tag{background:#f3f6f9;color:#738196;padding:3px 8px;border-radius:5px;font-size:11px}.rel{padding:9px 0;border-bottom:1px solid #eff2f5;display:flex;align-items:center;gap:8px;color:#738397;font-size:12px}.rel button{padding:0;border:0;background:none;color:var(--ink);font-weight:600}.rel span{margin-left:auto;font-size:10px;color:#95a0ac}.visit{display:block;text-align:center;text-decoration:none;background:var(--green);color:white;border:0;border-radius:8px;padding:10px;margin-top:23px;font-size:12px;width:100%}.bottom-title{display:flex;align-items:center;justify-content:space-between;margin:25px 0 13px}h3{margin:0;font-size:16px}.bottom-title span{color:var(--muted);font-size:12px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:white;border:1px solid var(--line);border-radius:12px;padding:20px;cursor:pointer;text-align:left;color:var(--ink)}.card:hover{border-color:#a6c8bd;box-shadow:0 5px 20px #1d4b3a08}.card.selected{border-color:var(--green)}.card-top{display:flex;align-items:center;justify-content:space-between}.card .name{font-size:17px;font-weight:700;margin:10px 0 7px}.card p{font-size:12px;color:#78869b;line-height:1.9;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-foot{border-top:1px solid #edf1f4;margin-top:15px;padding-top:12px;font-size:11px;color:var(--green);display:flex;justify-content:space-between}.mini{font-size:10px;color:#8b98a8}.empty{padding:20px;color:var(--muted)}footer{text-align:center;color:#98a3af;font-size:11px;margin:30px 0 0}@media(max-width:1100px){.layout{grid-template-columns:155px 1fr}.detail{grid-column:1/-1}.detail #relations{display:flex;flex-wrap:wrap;gap:20px}.detail .rel{min-width:180px}.detail h2{font-size:22px}.graph svg{height:410px}}@media(max-width:650px){header{padding:15px 18px}header nav{display:none}main{padding:22px 14px}.top{display:block}.search{width:100%;margin-bottom:18px}.layout{grid-template-columns:1fr}.side{display:flex;padding:10px;flex-wrap:wrap;gap:6px}.side button{width:auto;margin:0;padding:8px 12px;gap:10px}.side hr,.side .section-label,.side .legend-row,.side .note{display:none}.detail{grid-column:auto}.graph{min-height:340px}.graph svg{height:340px}.cards{grid-template-columns:1fr}h1{font-size:24px}.canvas-head{padding:13px}.preview{white-space:nowrap}}

.legend-row{display:flex;align-items:center;gap:8px}.legend-row svg{flex:none}@media(max-width:650px){.side .legend-row{display:flex;margin:5px 8px;font-size:11px}}

.trail{display:flex;align-items:center;gap:10px;padding:10px 18px;border-bottom:1px solid var(--line);font-size:10px;color:#8a97a8;flex-wrap:wrap}.trail>div{display:flex;gap:5px;align-items:center;flex-wrap:wrap;flex:1}.trail button{border:0;border-radius:5px;background:#f1f5f7;color:#65778b;padding:3px 7px;font-size:11px}.trail button.current{background:#e8f3ef;color:var(--green)}.trail #progress{white-space:nowrap}.next-step{border-top:1px solid var(--line);padding-top:16px;margin-top:18px}.next-step p{font-size:11px;color:var(--muted);margin:7px 0 10px}.next-step button{border:1px solid #accfc3;background:#f0f8f4;border-radius:8px;color:var(--green);width:100%;padding:10px;font-size:12px}.card .read-marker{color:#98a4ae;font-size:10px}.card .fresh-marker{color:var(--green);font-size:10px}

.filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:0 0 18px;color:var(--muted);font-size:12px}.filters select{font:inherit;padding:6px 10px;border:1px solid var(--line);border-radius:7px;background:white;color:var(--ink);max-width:250px}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:22px}.pagination button{padding:7px 14px;border-radius:7px;border:1px solid var(--line);background:white;color:var(--ink)}button:disabled{cursor:default;opacity:.4}.detail details{font-size:12px;margin-top:12px}.detail summary{cursor:pointer;color:var(--green)}.detail details p{white-space:pre-wrap;overflow-wrap:anywhere}.error{color:#a74d47}.graph-empty{fill:#8b98a8;font-size:14px}.source-list a{color:var(--green);font-size:11px}.card details{margin-top:12px}.graph svg{touch-action:manipulation}.canvas-head{flex-wrap:wrap}.graph-status{min-height:42px}.related-heading{font-size:11px;color:var(--muted);margin-top:16px}

[hidden]{display:none!important}.search{width:370px}.search-submit{background:var(--green);color:white;border:0;border-radius:7px;padding:7px 15px;white-space:nowrap}.result-filters{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.result-filters button,.graph-heading button,.result-pager button{font:inherit;background:white;border:1px solid var(--line);color:#708095;border-radius:7px;padding:7px 13px}.result-filters button.active{background:var(--soft);color:var(--green);border-color:#c5ded4}.result-filters>span{margin-left:auto;font-size:12px;color:var(--muted)}.result-pager{display:flex;justify-content:center;align-items:center;gap:18px;margin:24px 0 30px;color:var(--muted);font-size:12px}.result-pager button:disabled{opacity:.45;cursor:default}.graph-placeholder{display:flex;align-items:center;gap:20px;border:1px dashed #cdd7df;border-radius:14px;background:#ffffff80;padding:25px 30px;margin-top:25px;color:#728496}.graph-placeholder strong{color:#52667d;font-weight:600}.graph-placeholder p{font-size:12px;margin:5px 0 0}.placeholder-icon{font-size:38px;color:#9ab9ae}.graph-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:33px 0 16px}.graph-heading h2{font-size:22px;margin:4px 0}.graph-heading>div:last-child{display:flex;gap:7px}.graph-heading button{font-size:12px}.card .name{font-size:18px}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.card{min-height:205px}#search-results{scroll-margin-top:20px}#graph-section{scroll-margin-top:20px}@media(max-width:900px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.search{width:300px}}@media(max-width:650px){.cards{grid-template-columns:1fr}.search{width:100%}.graph-heading{align-items:flex-start;flex-direction:column}.result-filters>span{width:100%;margin-left:0}.graph-placeholder{padding:18px}.graph-placeholder p{line-height:1.8}}

.graph svg{touch-action:none;cursor:grab}.graph svg:active{cursor:grabbing}.graph-zoom{position:absolute;right:10px;top:10px;z-index:1;display:flex;gap:4px}.graph-zoom button{border:1px solid var(--line);border-radius:6px;background:#fffffff0;color:var(--ink);padding:5px 9px;font-size:12px}.graph svg{height:560px}.graph{min-height:560px}@media(max-width:1050px){.graph svg{height:500px}.graph{min-height:500px}}@media(max-width:650px){.graph svg{height:420px}.graph{min-height:420px}}

/* The dropdown is scoped to this search form. */
.search{position:relative}.search .autocompleter{display:none;position:absolute;top:calc(100% + 6px);left:0;width:100%;z-index:20;background:white;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 28px #2030471a;overflow:hidden}.search .autocompleter-show{display:block}.search .autocompleter-list{list-style:none;margin:0;padding:5px;max-height:360px;overflow:auto}.search .autocompleter-item{display:flex;align-items:flex-start;gap:9px;padding:10px;border-radius:6px;cursor:pointer;color:var(--ink);font-size:13px}.search .autocompleter-item:hover,.search .autocompleter-item-selected{background:var(--soft)}.search .suggest-type{flex:none;color:var(--green);font-size:10px;border:1px solid #d5e7df;border-radius:4px;padding:1px 5px;margin-top:1px}.search .suggest-label{overflow-wrap:anywhere;line-height:1.6}.search .autocompleter-hint{display:none}