:root{--bg: #04060f;--gold: #d4b070;--gold-dim: #8a7048;--cinnabar: #d45656;--celadon: #7eb89a;--ink: #d8d2c0;--ink-dim: #8a8576;--line: rgba(212, 176, 112, .25);--panel-bg: rgba(12, 16, 32, .85);--panel-bd: rgba(212, 176, 112, .35);--font-song: "STSong", "SimSun", "Noto Serif SC", "Source Han Serif SC", serif;--font-kai: "STKaiti", "KaiTi", "Noto Serif SC", serif;--font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--pad-xs: 4px;--pad-sm: 8px;--pad-md: 12px;--pad-lg: 18px;--pad-xl: 28px;--radius-sm: 4px;--radius-md: 10px;--radius-lg: 18px;--ease-out: cubic-bezier(.16, 1, .3, 1);--t-fast: .12s;--t-med: .24s;--t-slow: .48s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--ink);font-family:var(--font-song);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}canvas{display:block}a{color:var(--gold);text-decoration:none}a:hover{color:var(--cinnabar)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--gold-dim);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--gold)}::selection{background:var(--cinnabar);color:var(--bg)}body.ui-hidden .hud,body.ui-hidden .panel{opacity:0;pointer-events:none;transition:opacity var(--t-med) var(--ease-out)}.loading-veil{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg);display:flex;align-items:center;justify-content:center;color:var(--gold);font-family:var(--font-kai);font-size:14px;letter-spacing:6px;z-index:999}.loading-veil:after{content:"";display:inline-block;width:8px;height:8px;margin-left:12px;border-radius:50%;background:var(--cinnabar);animation:pulse 1.2s var(--ease-out) infinite}@keyframes pulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.2)}}.panel{position:fixed;background:var(--panel-bg);border:1px solid var(--panel-bd);border-radius:var(--radius-md);color:var(--ink);font-family:var(--font-song);backdrop-filter:blur(6px) saturate(140%);-webkit-backdrop-filter:blur(6px) saturate(140%);z-index:20}.panel h2{font-family:var(--font-kai);font-size:13px;font-weight:400;letter-spacing:4px;color:var(--gold);margin:0 0 var(--pad-sm) 0;padding-bottom:var(--pad-xs);border-bottom:1px solid var(--line)}.btn{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;font-family:var(--font-song);font-size:12px;color:var(--ink);background:transparent;border:1px solid var(--gold-dim);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--t-fast) var(--ease-out)}.btn:hover{color:var(--gold);border-color:var(--gold);background:#d4b0700f}.btn.active{color:var(--bg);background:var(--gold);border-color:var(--gold)}.btn-primary{border-color:var(--cinnabar);color:var(--cinnabar)}.btn-primary:hover{background:var(--cinnabar);color:var(--bg)}.input{display:block;width:100%;padding:6px 12px;background:#04060f99;border:1px solid var(--panel-bd);border-radius:19px;color:var(--ink);font-family:var(--font-song);font-size:13px;outline:none;transition:border-color var(--t-fast) var(--ease-out)}.input:focus{border-color:var(--gold);box-shadow:0 0 0 2px #d4b07026}.list{list-style:none;margin:0;padding:0}.list li{padding:4px 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b{color:var(--gold);font-weight:400}.status-bar{position:fixed;bottom:8px;left:12px;color:var(--ink-dim);font-family:var(--font-sans);font-size:11px;z-index:50;pointer-events:none;letter-spacing:1px}.chip{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;margin:2px;font-size:11px;background:#d4b0700f;border:1px solid var(--gold-dim);border-radius:10px;color:var(--ink);cursor:pointer;transition:all var(--t-fast)}.chip.active{background:var(--gold);color:var(--bg);border-color:var(--gold)}.chip:hover{color:var(--gold)}.chip.active:hover{color:var(--bg)}.detail-row{display:flex;gap:12px;padding:4px 0;border-bottom:1px dotted var(--line)}.detail-row:last-child{border-bottom:none}.detail-key{color:var(--ink-dim);font-size:12px;min-width:64px}.detail-val{color:var(--ink);font-size:13px}.loading{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--gold);font-family:var(--font-kai);font-size:14px;letter-spacing:6px;z-index:100}@keyframes 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var(--panel-bd);border-radius:4px;color:var(--ink);font-family:var(--font-song);font-size:14px;outline:none;margin-bottom:16px}.mig-search:focus{border-color:var(--gold)}.mig-top{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}.mig-chip{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:10px 12px;border:1px solid var(--line);background:#d4b0700a;color:var(--ink);font-family:var(--font-kai);cursor:pointer;border-radius:4px;transition:all .12s var(--ease-out)}.mig-chip:hover{border-color:var(--gold);background:#d4b0701f}.mig-chip-han{font-size:18px;color:var(--gold)}.mig-chip-meta{font-family:var(--font-sans);font-size:10px;color:var(--ink-dim);letter-spacing:1px}.mig-error{color:var(--cinnabar);margin:12px 0;font-size:12px}.mig-topbar{display:flex;align-items:center;gap:24px;padding:16px 24px 14px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#0e1420b3,#04060f00)}.mig-topbar .mig-title{flex:0 0 auto}.mig-topbar .mig-title small{display:block;font-family:var(--font-kai);color:var(--cinnabar);font-size:11px;letter-spacing:6px}.mig-topbar .mig-title h2{font-family:var(--font-kai);font-weight:400;font-size:28px;color:var(--gold);letter-spacing:8px;margin:0}.mig-topbar .mig-summary{display:flex;gap:18px;align-items:baseline;color:var(--ink-dim);font-family:var(--font-sans);font-size:12px;margin-left:auto}.mig-topbar .mig-summary b{color:var(--gold);font-weight:400;font-size:14px}.mig-main{flex:1;min-height:0;display:grid;grid-template-columns:320px 1fr;grid-template-rows:minmax(0,1fr) auto;gap:16px;padding:14px 18px 18px}.mig-left{grid-row:1 / 3;border:1px solid var(--panel-bd);border-radius:8px;background:var(--panel-bg);padding:14px;overflow:auto}.mig-left h3{font-family:var(--font-kai);font-weight:400;color:var(--celadon);font-size:13px;letter-spacing:4px;margin:12px 0 8px}.mig-left h3:first-child{margin-top:0}.mig-dynasty{display:flex;flex-wrap:wrap;gap:4px}.mig-dynasty-btn{display:inline-flex;gap:4px;align-items:baseline;padding:4px 9px;background:#d4b0700f;border:1px solid var(--gold-dim);color:var(--ink);font-family:var(--font-kai);font-size:12px;letter-spacing:1px;border-radius:12px;cursor:pointer}.mig-dynasty-btn small{color:var(--ink-dim);font-family:var(--font-sans);font-size:10px}.mig-dynasty-btn:hover{border-color:var(--gold)}.mig-dynasty-btn.on{background:var(--cinnabar);border-color:var(--cinnabar);color:var(--bg)}.mig-dynasty-btn.on small{color:#000000b3}.mig-provinces{display:flex;flex-wrap:wrap;gap:4px}.mig-prov{display:inline-flex;gap:4px;align-items:baseline;padding:3px 8px;background:transparent;border:1px solid var(--line);color:var(--ink);font-family:var(--font-kai);font-size:12px;border-radius:10px;cursor:pointer}.mig-prov small{color:var(--ink-dim);font-family:var(--font-sans);font-size:10px}.mig-prov:hover{border-color:var(--gold)}.mig-prov.on{background:var(--gold);border-color:var(--gold);color:var(--bg)}.mig-prov.on small{color:#000000b3}.mig-records-scroll{display:flex;flex-direction:column;gap:6px;max-height:360px;overflow-y:auto;padding-right:4px;margin:0 0 12px}.mig-records-empty{font-size:11px;color:var(--ink-dim);padding:4px 0 12px}.mig-rec-card{padding:8px 10px;border:1px solid var(--line);border-radius:4px;background:#d4b0700a;transition:background .15s,border-color .15s;cursor:pointer}.mig-rec-card:hover{background:#d4b0701f;border-color:var(--gold-dim)}.mig-rec-card.on{background:#7eb89a1f;border-color:var(--celadon)}.mig-rec-title{font-family:var(--font-kai);color:var(--gold);font-size:13px;letter-spacing:1px;margin-bottom:4px;line-height:1.5}.mig-rec-meta{display:flex;flex-wrap:wrap;gap:4px 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circle:last-child{filter:url(#migGlow);stroke-width:2}.mig-loading{padding:24px;color:var(--ink-dim)}.mig-legend{position:absolute;left:14px;top:14px;display:flex;flex-direction:column;gap:4px;padding:8px 10px;background:#04060fa6;border:1px solid var(--line);border-radius:4px;font-size:11px;color:var(--ink-dim);font-family:var(--font-kai)}.mig-legend span{display:inline-flex;align-items:center;gap:6px}.mig-legend i{width:10px;height:10px;border-radius:50%;display:inline-block}.mig-legend-dynasty{background:#9bb0c40f;border:1px solid rgba(155,176,196,.18);margin-bottom:6px}.mig-legend-dynasty span{display:inline-flex;align-items:center;gap:3px}.mig-legend-routes{top:164px}.mig-legend-routes small{max-width:160px;margin-top:3px;padding-top:5px;border-top:1px dotted var(--line);color:var(--ink-dim);font-family:var(--font-song);font-size:9px;line-height:1.5}.mig-legend .mig-legend-record-line{width:14px;height:2px;border-radius:0;background:repeating-linear-gradient(90deg,var(--celadon) 0 3px,transparent 3px 5px)}.mig-legend-particle{width:10px;height:10px;border-radius:50%;box-shadow:0 0 6px currentColor;animation:migParticlePulse 2.4s ease-in-out infinite}@keyframes migParticlePulse{0%,to{transform:scale(1);opacity:.95}50%{transform:scale(1.4);opacity:.5}}.mig-attribution{position:absolute;right:14px;bottom:10px;color:var(--ink-dim);font-size:10px;font-family:var(--font-sans);letter-spacing:1px;max-width:60%;text-align:right}.mig-place-card{position:absolute;top:14px;right:14px;z-index:4;width:min(330px,calc(100% - 28px));max-height:calc(100% - 104px);overflow:auto;padding:14px;border:1px solid rgba(212,176,112,.46);border-radius:6px;background:#04060ff0;box-shadow:0 16px 42px #00000094,inset 0 0 28px #d4b0700d;color:var(--ink)}.mig-place-close{position:absolute;top:8px;right:8px;padding:2px 7px;border:1px solid var(--line);border-radius:3px;background:transparent;color:var(--ink-dim);font-family:var(--font-kai);font-size:10px;cursor:pointer}.mig-place-close:hover{color:var(--gold);border-color:var(--gold-dim)}.mig-place-kicker{color:var(--cinnabar);font-family:var(--font-kai);font-size:10px;letter-spacing:3px}.mig-place-card h3{margin:7px 44px 10px 0;color:var(--gold);font-family:var(--font-kai);font-size:21px;font-weight:400;letter-spacing:2px}.mig-place-card dl{margin:0}.mig-place-card dl>div{display:grid;grid-template-columns:62px 1fr;gap:8px;padding:5px 0;border-top:1px dotted var(--line)}.mig-place-card dt{color:var(--ink-dim);font-size:10px;letter-spacing:1px}.mig-place-card dd{margin:0;color:var(--ink);font-family:var(--font-song);font-size:12px;line-height:1.55}.mig-evidence-level{display:inline-flex;padding:1px 7px;border:1px solid rgba(126,184,154,.45);border-radius:9px;background:#7eb89a14;color:var(--celadon);font-size:10px}.mig-place-source-title{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-top:10px;padding-top:9px;border-top:1px solid var(--gold-dim);color:var(--celadon);font-family:var(--font-kai);font-size:12px;letter-spacing:2px}.mig-place-source-title small{color:var(--ink-dim);font-family:var(--font-song);font-size:9px;letter-spacing:0;text-align:right}.mig-place-sources{list-style:none;margin:7px 0 0;padding:0}.mig-place-sources li{padding:6px 0;border-bottom:1px dotted var(--line)}.mig-place-sources b,.mig-place-sources span,.mig-place-sources em{display:block}.mig-place-sources b{color:var(--gold-soft);font-family:var(--font-kai);font-size:12px;font-weight:400;line-height:1.5}.mig-place-sources span{margin-top:2px;color:var(--ink-dim);font-size:10px;line-height:1.45}.mig-place-sources em{color:var(--celadon);font-family:var(--font-song);font-size:10px;font-style:normal}.mig-place-sources .mig-place-more{color:var(--ink-dim);font-size:10px;text-align:center}.mig-place-empty{margin:7px 0 0;color:var(--ink-dim);font-size:10px;line-height:1.65}.mig-place-note{margin:10px 0 0;padding:7px 8px;border-left:2px solid var(--cinnabar);background:#c64a4a0f;color:var(--ink-dim);font-size:9px;line-height:1.6}@media (max-width: 960px){.mig-main{grid-template-columns:1fr;grid-template-rows:auto minmax(480px,1fr) auto;overflow:auto}.mig-left{grid-row:1;max-height:40vh}.mig-map{grid-column:1;grid-row:2;min-height:480px}.mig-timeline{grid-column:1;grid-row:3}.mig-top{grid-template-columns:repeat(3,1fr)}}.mig-cover-map{position:relative;margin:14px 0 16px;border:1px solid var(--panel-bd);border-radius:8px;background:radial-gradient(ellipse at 50% 40%,#3c28142e,#04060ff2 70%);overflow:hidden}.mig-cover-map svg{display:block;width:100%;height:220px}.mig-cover-map-note{position:absolute;left:12px;bottom:8px;font-size:10px;color:var(--ink-dim);font-family:var(--font-sans);letter-spacing:1px}.mig-desc{margin:0 0 14px;padding:10px;background:#d4b0700a;border-left:2px solid var(--gold);border-radius:2px}.mig-desc small{display:block;color:var(--gold-dim);font-size:10px;letter-spacing:4px;margin-bottom:4px}.mig-desc p{margin:0;font-size:12px;line-height:1.8;color:var(--ink)}.mig-tang{margin:0 0 14px}.mig-tang small{display:block;color:var(--gold-dim);font-size:10px;letter-spacing:4px;margin-bottom:6px}.mig-tang div{display:flex;flex-wrap:wrap;gap:4px}.mig-tang span{font-family:var(--font-kai);font-size:12px;padding:2px 8px;border:1px solid var(--line);border-radius:10px;color:var(--gold)}.mig-founders{list-style:none;margin:0 0 12px;padding:0;max-height:180px;overflow-y:auto}.mig-founders li{padding:6px 8px;border-bottom:1px dotted var(--line);cursor:pointer;display:flex;gap:8px;align-items:baseline;font-size:12px}.mig-founders li:hover{background:#d4b0700f}.mig-founders li.on{background:#d4b0701f;border-left:2px solid var(--cinnabar)}.mig-founder-role{color:var(--cinnabar);font-family:var(--font-kai);font-size:10px;letter-spacing:1px;flex:0 0 auto}.mig-founder-name{color:var(--gold);font-family:var(--font-kai);flex:1}.mig-founder-dyn{color:var(--ink-dim);font-family:var(--font-sans);font-size:10px;flex:0 0 auto}.mig-narrative{font-size:12px;line-height:1.85;color:#d8cfb8;padding:10px;border-left:2px solid var(--celadon);background:#7eb89a0a;border-radius:2px;max-height:220px;overflow-y:auto;font-family:var(--font-song)}.mig-events{list-style:none;margin:0 0 12px;padding:0}.mig-events li{padding:4px 0;font-size:12px;display:flex;gap:6px;align-items:center;color:var(--ink)}.mig-events li button{padding:0;border:0;background:transparent;color:var(--ink);font-family:var(--font-kai);font-size:12px;cursor:pointer}.mig-events li button:hover{color:var(--gold);text-decoration:underline;text-underline-offset:3px}.mig-events li i{color:var(--cinnabar);font-style:normal}.mig-events li small{margin-left:auto;color:var(--ink-dim);font-size:9px;white-space:nowrap}.mig-event-era{width:7px;height:7px;border-radius:50%;flex:0 0 auto;box-shadow:0 0 5px currentColor}.mig-route-stats{margin:10px 0 6px;padding:7px 8px;border:1px solid rgba(126,184,154,.24);border-radius:3px;background:#7eb89a0d;color:var(--ink-dim);font-size:10px;line-height:1.6}.mig-provinset{position:absolute;bottom:14px;right:14px;width:220px;height:175px;border:1px solid var(--panel-bd);background:#04060f8c;border-radius:4px;overflow:hidden;box-shadow:0 8px 24px #00000080}.mig-provinset svg{width:100%;height:100%}.mig-provinset-label{position:absolute;left:6px;top:4px;font-size:10px;color:var(--ink-dim);letter-spacing:1px;font-family:var(--font-sans)}.mig-timeline{grid-column:2;grid-row:2;margin-top:0;padding:12px 14px 14px;background:#04060f8c;border:1px solid rgba(232,201,119,.18);border-radius:6px;font-family:var(--font-song)}.mig-timeline-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:10px}.mig-timeline-head small{color:var(--ink);font-family:var(--font-kai);font-size:13px;letter-spacing:6px}.mig-timeline-hint{font-size:11px;color:var(--ink-dim);letter-spacing:1px;font-family:var(--font-sans)}.mig-timeline-track{display:flex;align-items:stretch;gap:4px;overflow-x:auto;overflow-y:hidden;padding:4px 0 6px;position:relative;border-top:1px solid rgba(232,201,119,.1);border-bottom:1px solid 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0;font-family:var(--font-kai);font-size:14px;letter-spacing:9px;color:var(--ink-dim)}.hub-scrolls{position:absolute;left:55%;top:47%;transform:translate(-50%,-50%);display:flex;align-items:flex-start;gap:30px;z-index:2}.hub-scroll{--accent: var(--gold);width:238px;display:flex;flex-direction:column;align-items:stretch;padding:0;background:transparent;border:none;cursor:pointer;color:inherit;font:inherit;animation:hub-rise .8s var(--ease-out) both}.hub-scroll-0{margin-top:0;animation-delay:.1s}.hub-scroll-1{margin-top:64px;animation-delay:.26s}.hub-scroll-2{margin-top:26px;animation-delay:.42s}.hub-rod{height:10px;margin:0 -12px;background:linear-gradient(180deg,#4a3b28,#241b10 55%,#3a2e1e);border-radius:5px;position:relative;box-shadow:0 3px 8px #0000008c;transition:box-shadow var(--t-med) var(--ease-out)}.hub-rod:before,.hub-rod:after{content:"";position:absolute;top:-3px;width:16px;height:16px;border-radius:50%;background:radial-gradient(circle at 34% 30%,#e8cf9a,#8a7048 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var(--ease-out)}.books-back:hover{border-color:var(--gold);background:#d4b07029;transform:translate(-2px)}.books-title h2{margin:0;font-family:var(--font-kai);font-weight:400;font-size:24px;letter-spacing:10px;color:var(--gold);text-shadow:0 0 18px rgba(212,176,112,.35)}.books-title small{display:block;margin-top:3px;color:var(--ink-dim);font-size:11px;letter-spacing:2px}.books-header-side{margin-left:auto;color:var(--ink-dim);font-family:var(--font-kai);font-size:12px;letter-spacing:4px;opacity:.75}.books-shelflist{position:absolute;left:18px;top:92px;bottom:96px;width:196px;overflow-y:auto;z-index:5;padding:12px 10px;background:#0a08068c;border:1px solid rgba(212,176,112,.16);border-radius:4px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.books-shelflist-head{font-family:var(--font-kai);color:var(--gold);letter-spacing:6px;font-size:13px;padding:2px 6px 10px;border-bottom:1px dashed rgba(212,176,112,.25);margin-bottom:8px}.books-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px;width:100%;padding:8px;border:none;border-left:2px solid transparent;background:transparent;color:var(--ink);cursor:pointer;text-align:left;transition:background var(--t-fast) var(--ease-out),border-color var(--t-fast) var(--ease-out),transform var(--t-fast) var(--ease-out)}.books-row:hover{background:#d4b07014;transform:translate(3px)}.books-row.on{border-left-color:var(--gold);background:#d4b07021}.books-row-name{font-family:var(--font-kai);font-size:15px;letter-spacing:3px}.books-row.on .books-row-name{color:var(--gold)}.books-row-meta{color:var(--ink-dim);font-size:10.5px;letter-spacing:.5px}.books-tip{position:absolute;left:50%;bottom:88px;transform:translate(-50%);z-index:6;padding:8px 20px;border:1px solid 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var(--ease-out)}.books-search::placeholder{color:var(--ink-dim);letter-spacing:1px}.books-search:focus{border-color:var(--gold);background:#d4b0701f}.books-shelflist-scroll{flex:1 1 auto;min-height:0;overflow-y:auto}