:root{font-family:Inter,Noto Sans TC,system-ui,sans-serif;color:#17233b;background:#f4f8fc;font-synthesis:none;--surface: #fff;--surface-2: #edf4fb;--line: #d7e3f0;--muted: #62738b;--navy: #17385e;--blue: #1684c7;--red: #b43a32;--gold: #efa11a;--shadow: 0 14px 36px rgba(37, 67, 105, .09)}:root[data-theme=dark]{color:#e8effa;background:#0f1828;--surface: #17243a;--surface-2: #22334c;--line: #30445f;--muted: #aabbd1;--navy: #dceaff;--blue: #5ec7ff;--shadow: 0 14px 40px rgba(0,0,0,.22)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:radial-gradient(circle at 8% 0%,#d9f3ff 0,transparent 28rem),#f4f8fc}[data-theme=dark] body{background:radial-gradient(circle at 8% 0%,#193a55 0,transparent 30rem),#0f1828}button,input,select{font:inherit}button{cursor:pointer;color:inherit}button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #f5a524;outline-offset:3px}main{max-width:1500px;min-height:100vh;margin:0 auto;padding:28px clamp(16px,3vw,48px) 56px}h1,h2,h3,p{margin-top:0}h1{margin-bottom:8px;font-size:clamp(2rem,4vw,3.25rem);letter-spacing:-.055em}h2{margin-bottom:8px;font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.035em}.loading{display:grid;min-height:100vh;place-items:center}.eyebrow{margin:0 0 6px;color:#39739e;font-size:.72rem;font-weight:850;letter-spacing:.13em;text-transform:uppercase}[data-theme=dark] .eyebrow{color:#86c7ee}.hero{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;padding:18px 4px 24px}.hero>div>p:last-child{margin:0;color:var(--muted)}.theme-button,.clear-button{border:1px solid var(--line);border-radius:11px;padding:9px 12px;background:var(--surface);box-shadow:0 4px 14px #28466e0d}.lens-tabs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}.lens-tabs button{display:grid;grid-template-columns:42px auto;grid-template-rows:auto auto;column-gap:9px;min-height:72px;padding:13px 16px;text-align:left;border:1px solid var(--line);border-radius:15px;background:color-mix(in srgb,var(--surface) 90%,transparent)}.lens-tabs button>span{display:grid;grid-row:1 / 3;align-self:center;width:38px;height:38px;place-items:center;color:#fff;border-radius:50%;background:#2187bd;font-family:serif;font-size:1.2rem;font-weight:900}.lens-tabs b{font-size:.96rem}.lens-tabs small{color:var(--muted)}.lens-tabs button.active{color:#fff;border-color:#17385e;background:#17385e;box-shadow:0 10px 24px #17385e33}.lens-tabs button.active small{color:#c7d9eb}.lens-tabs button.active>span{color:#17385e;background:#f4b13d}.toolbar{display:flex;flex-wrap:wrap;align-items:end;gap:9px;padding:10px;border:1px solid var(--line);border-radius:15px;background:color-mix(in srgb,var(--surface) 88%,transparent)}.search{display:flex;flex:1 1 300px;align-items:center;gap:8px;min-height:41px;padding:0 11px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.search input{width:100%;border:0;outline:0;color:inherit;background:transparent}.filter{display:grid;gap:3px;color:var(--muted);font-size:.7rem;font-weight:750}.filter select{min-width:105px;padding:7px 9px;color:inherit;border:1px solid var(--line);border-radius:9px;background:var(--surface)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,410px);gap:16px;align-items:start;margin-top:16px}.workspace.single{grid-template-columns:1fr}.workspace.focused{grid-template-columns:minmax(0,1fr) minmax(340px,420px)}.explorer-panel,.detail,.search-results{border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--surface) 92%,transparent);box-shadow:var(--shadow)}.explorer-panel,.search-results{min-height:530px;padding:clamp(18px,3vw,32px)}.side-switcher{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-bottom:22px}.side-switcher button{display:grid;grid-template-columns:45px auto;grid-template-rows:auto auto;align-items:center;column-gap:10px;min-height:74px;padding:11px 17px;text-align:left;border:1px solid var(--line);border-radius:15px;background:var(--surface-2);transition:transform .18s,box-shadow .18s}.side-switcher button:hover{transform:translateY(-2px)}.side-switcher button>span{display:grid;grid-row:1 / 3;width:42px;height:42px;place-items:center;border:2px solid currentColor;border-radius:50%;font-family:serif;font-size:1.2rem;font-weight:900}.side-switcher button b{align-self:end}.side-switcher button small{align-self:start;color:var(--muted);font-size:.68rem}.side-switcher button.active.red-side{color:#fff;border-color:#a72e29;background:linear-gradient(135deg,#c64a41,#982b29);box-shadow:0 10px 24px #a72e2938}.side-switcher button.active.black-side{color:#fff;border-color:#132842;background:linear-gradient(135deg,#294867,#13243c);box-shadow:0 10px 24px #13243c40}.side-switcher button.active small{color:#e7f0f8}.directory-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:26px}.directory-heading>div:first-child>p:last-child,.family-header p{max-width:66ch;margin-bottom:0;color:var(--muted);line-height:1.55}.summary{display:flex;flex:0 0 auto;align-items:center;gap:14px;padding:13px 16px;border:1px solid var(--line);border-radius:15px;background:var(--surface-2)}.summary span{display:grid;min-width:64px;justify-items:center}.summary b{color:#217eae;font-family:ui-monospace,monospace;font-size:1.35rem}.summary small{color:var(--muted);font-size:.62rem;font-weight:800}.summary i{width:1px;height:34px;background:var(--line)}.taxonomy-layout{display:block}.taxonomy{display:grid;gap:18px}.taxonomy-level{padding:18px;border:1px solid var(--line);border-radius:17px;background:var(--surface-2)}.taxonomy-level>header{display:flex;gap:10px;align-items:center;margin-bottom:14px}.taxonomy-level>header>span{display:grid;width:34px;height:34px;place-items:center;color:#fff;border-radius:50%;background:#258bc7;font:900 .68rem ui-monospace,monospace}.taxonomy-level header b,.taxonomy-level header small{display:block}.taxonomy-level header small{margin-top:2px;color:var(--muted);font-size:.67rem}.route-grid,.reply-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(142px,1fr));gap:9px}.route-grid>button,.reply-grid>button{min-width:0;padding:12px;text-align:left;border:1px solid var(--line);border-radius:13px;background:var(--surface);transition:transform .18s,border-color .18s,box-shadow .18s}.route-grid>button:hover,.reply-grid>button:hover{transform:translateY(-2px);border-color:#73b9df}.route-grid>button.active,.reply-grid>button.active{border-color:#e4a02d;box-shadow:inset 0 0 0 2px #e4a02d}.route-grid b,.route-grid small,.reply-grid b,.reply-grid small{display:block}.route-grid b,.reply-grid b{margin-top:7px;font-size:.82rem}.route-grid small,.reply-grid small{margin-top:3px;color:var(--muted);font-size:.61rem}.move-badge{display:grid;grid-template-columns:31px 1fr;align-items:center;gap:7px}.move-badge i{display:grid;width:31px;height:31px;place-items:center;color:#fff;border:2px solid #fff;border-radius:50%;box-shadow:0 0 0 2px currentColor;font-family:serif;font-style:normal;font-weight:900}.move-badge.red{color:#b43a32}.move-badge.red i{background:#b43a32}.move-badge.black{color:#1a2a3c}.move-badge.black i{background:#1a2a3c}.move-badge small{overflow:hidden;color:var(--muted);font-size:.65rem;text-overflow:ellipsis;white-space:nowrap}.family-groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.family-groups article{min-width:0;padding:12px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.family-groups h3{display:flex;justify-content:space-between;gap:8px;margin:0 0 9px;font-size:.84rem}.family-groups h3 span{display:grid;min-width:25px;height:25px;place-items:center;color:#176d9e;border-radius:999px;background:#e2f4ff;font-size:.64rem}.family-groups article>div{display:grid;gap:6px}.opening-leaf{display:grid;grid-template-columns:1fr 31px;border:1px solid var(--line);border-radius:9px;overflow:hidden}.opening-leaf.selected{border-color:#efa11a;box-shadow:0 0 0 2px #efa11a3b}.leaf-preview{display:grid;grid-template-columns:27px 1fr auto;align-items:center;gap:5px;min-width:0;padding:8px;text-align:left;border:0;background:var(--surface-2)}.leaf-preview span{color:#2382b5;font:900 .6rem ui-monospace,monospace}.leaf-preview b{overflow:hidden;font-size:.68rem;text-overflow:ellipsis;white-space:nowrap}.leaf-preview small{color:var(--muted);font-size:.55rem}.leaf-open{border:0;border-left:1px solid var(--line);color:#fff;background:#237fac;font-weight:900}.live-board{position:sticky;top:12px;padding:14px;border:1px solid #bfd9e9;border-radius:17px;background:var(--surface);box-shadow:var(--shadow)}.live-board h3{margin:0;font-size:1.05rem}.live-board>div:first-child>small{display:block;margin:4px 0 12px;color:var(--muted);font-size:.65rem;line-height:1.4}.open-preview{width:100%;margin-top:10px;padding:9px;color:#fff;border:0;border-radius:9px;background:#1e729f;font-size:.72rem;font-weight:800}.floating-live-board{position:fixed;z-index:60;width:430px;min-width:300px;max-width:calc(100vw - 16px);min-height:350px;max-height:calc(100vh - 16px);overflow:auto;resize:both;padding:12px;border-color:#75b7dc;box-shadow:0 18px 54px #1027404d}.floating-board-header{display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px;margin-bottom:9px;padding:3px 4px 7px;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;border-bottom:1px dashed var(--line)}.floating-live-board.dragging .floating-board-header{cursor:grabbing}.floating-board-header>div:first-child{display:grid;min-width:0}.floating-board-header .eyebrow{margin-bottom:2px;font-size:.62rem}.floating-board-header h3{margin:0;font-size:.78rem}.floating-board-header small{overflow-wrap:anywhere;margin-top:2px;color:var(--muted);font-size:.64rem;line-height:1.3}.floating-board-actions{display:flex;flex:0 0 auto;align-items:center;gap:7px}.floating-board-actions>span{color:#277ba9;font-size:.62rem;font-weight:850}.floating-board-actions>button{display:grid;width:26px;height:26px;place-items:center;padding:0;color:#277ba9;border:1px solid #8fc7e6;border-radius:7px;background:var(--surface-2);font-size:.9rem;font-weight:900}.floating-live-board .xiangqi-board{width:min(100%,380px)}.floating-live-board .move-line{display:none}.resize-hint{position:sticky;display:block;bottom:0;width:fit-content;margin:-12px -7px -9px auto;color:#2786b7;font-size:1rem;font-weight:900;pointer-events:none}.floating-live-board.minimized{width:300px!important;min-width:240px;min-height:0;height:auto!important;overflow:hidden;resize:none}.floating-live-board.minimized .floating-board-header{margin-bottom:0;padding-bottom:3px;border-bottom:0}.workspace.focused .floating-live-board{display:none}.board-section{width:100%}.xiangqi-board{position:relative;width:min(100%,470px);aspect-ratio:8 / 9;margin:0 auto;border:12px solid #9c682f;border-radius:5px;background:#e8c98f;box-shadow:inset 0 0 0 2px #5e3b1d,0 10px 24px #2130442b}.board-lines{position:absolute;top:4.5%;right:4.5%;bottom:4.5%;left:4.5%;width:91%;height:91%;overflow:visible;fill:none;stroke:#68421f;stroke-width:.035}.river{position:absolute;z-index:0;top:49.9%;color:#68421f;font:800 clamp(.75rem,2.5vw,1.25rem) serif;letter-spacing:.35em;transform:translateY(-50%)}.river-left{left:16%}.river-right{right:13%}.xiangqi-piece,.last-from,.last-to{position:absolute;z-index:2;width:10.3%;aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%)}.xiangqi-piece{display:grid;place-items:center;border:clamp(2px,.35vw,4px) solid currentColor;background:#fff8df;box-shadow:inset 0 0 0 2px #fff8df,inset 0 0 0 3px currentColor,0 2px 4px #3c281440;font:900 clamp(.72rem,2.3vw,1.4rem) serif}.xiangqi-piece.red{color:#b42e27}.xiangqi-piece.black{color:#232323}.last-from{z-index:1;border:4px solid #2c8dd0;background:transparent}.last-to{z-index:1;background:#ffcd2db3;box-shadow:0 0 0 4px #ffffff8c}.board-controls{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:10px}.board-controls button{display:grid;min-width:34px;height:32px;place-items:center;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.board-controls button:disabled{cursor:default;opacity:.4}.board-controls span{min-width:62px;color:var(--muted);text-align:center;font-size:.7rem}.board-controls strong{color:var(--navy)}.board-controls .pause-button{color:#fff;background:#de8e13}.move-line{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px;margin-top:10px}.move-line button{display:grid;grid-template-columns:28px 1fr;align-items:center;gap:4px;min-width:0;padding:6px;text-align:left;color:var(--muted);border:1px solid var(--line);border-radius:7px;background:var(--surface-2);font-size:.65rem}.move-line button.played{color:var(--navy);background:var(--surface)}.move-line button.current{color:#fff;border-color:#ca7f10;background:#df9217}.move-line small{font:800 .54rem ui-monospace,monospace}.live-board .xiangqi-board{border-width:8px}.live-board .xiangqi-piece{font-size:clamp(.62rem,1.65vw,1.05rem)}.live-board .move-line{max-height:118px;overflow:auto}.strategy-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:13px}.strategy-grid button{min-height:190px;padding:20px;text-align:left;border:1px solid var(--line);border-radius:16px;background:var(--surface);transition:transform .18s,box-shadow .18s}.strategy-grid button:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.strategy-grid button>span{display:grid;width:48px;height:48px;place-items:center;color:#fff;border-radius:14px;background:#258bc7;font-size:1.3rem}.strategy-grid button b{display:block;margin-top:18px;font-size:1.05rem}.strategy-grid button p{min-height:50px;margin:6px 0;color:var(--muted);font-size:.75rem;line-height:1.5}.strategy-grid button small{color:#2380b2;font-weight:800}.strategy-grid .strategy-0>span{background:#bc4339}.strategy-grid .strategy-1>span{background:#397c67}.strategy-grid .strategy-2>span{background:#8a5fa8}.strategy-grid .strategy-3>span{background:#c28128}.strategy-grid .strategy-4>span{background:#3979b2}.breadcrumb{display:flex;gap:8px;align-items:center;margin-bottom:20px;color:var(--muted);font-size:.78rem}.breadcrumb button{padding:0;color:#277ba9;border:0;background:transparent}.family-header{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:18px}.family-header>button{padding:8px 10px;color:#277ba9;border:1px solid var(--line);border-radius:9px;background:var(--surface)}.relation-map-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--surface-2);scrollbar-gutter:stable}.relation-map{display:block;max-width:none}.map-lane{fill:color-mix(in srgb,var(--surface) 80%,transparent);stroke:var(--line)}.map-lane-title{fill:var(--muted);font-size:11px;font-weight:850}.map-active-links line{stroke:#f0a01b;stroke-width:3;stroke-linecap:round;opacity:.85}.relation-node{cursor:pointer;transition:opacity .16s}.relation-node circle{fill:#5bb7e1;stroke:var(--surface);stroke-width:4}.relation-node:hover circle,.relation-node.selected circle{fill:#ee9919;stroke:#17385e}.relation-node.quiet{opacity:.2}.relation-node-code{fill:#fff;font-size:8px;font-weight:900;text-anchor:middle}.relation-node-name{fill:var(--navy);font-size:8.5px;font-weight:800;text-anchor:middle}.detail{position:sticky;top:12px;max-height:calc(100vh - 24px);overflow:auto}.detail-content{position:relative;padding:22px}.detail-close{position:sticky;z-index:5;top:0;float:right;width:34px;height:34px;color:#fff;border:0;border-radius:50%;background:#172a43;font-size:1.25rem}.detail-title{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;clear:both}.detail-title h2{margin-bottom:3px;font-size:clamp(1.5rem,2.4vw,2.15rem)}.detail-title p:last-child{color:var(--muted);font-size:.72rem}.detail-title>span{flex:0 0 auto;padding:5px 8px;color:#8b2f28;border-radius:999px;background:#ffe2dd;font-size:.62rem;font-weight:850}.tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:15px}.tags span{padding:4px 7px;color:#176f9e;border-radius:999px;background:#e1f3ff;font-size:.58rem;font-weight:750}.detail .xiangqi-board{max-width:345px;border-width:9px}.detail .xiangqi-piece{font-size:clamp(.72rem,1.7vw,1.1rem)}.detail section{margin-top:18px;padding-top:17px;border-top:1px solid var(--line)}.detail section h3{margin-bottom:8px;font-size:.92rem}.detail section p{margin-bottom:0;color:var(--muted);font-size:.76rem;line-height:1.65}.detail .section-heading{display:flex;justify-content:space-between;align-items:center}.detail .section-heading button{padding:6px 8px;color:#277ba9;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:.63rem}.mainline{padding:11px;border-radius:9px;background:var(--surface-2)}.analysis-link{display:inline-block;margin-top:9px;color:#fff;padding:8px 10px;border-radius:8px;background:#1f7d9d;font-size:.68rem;font-weight:800;text-decoration:none}.plan-grid,.warning-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.plan-grid section,.warning-grid section{padding:12px;border:0;border-radius:10px;background:var(--surface-2)}.warning-grid section{background:color-mix(in srgb,var(--surface) 80%,#ffe9d2)}.neighbours{display:grid;gap:7px}.neighbours button{padding:10px;text-align:left;border:1px solid var(--line);border-radius:9px;background:var(--surface-2)}.neighbours b,.neighbours span{display:block}.neighbours b{font-size:.71rem}.neighbours span{margin-top:3px;color:var(--muted);font-size:.59rem}.search-results{margin-top:16px}.opening-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px;margin-top:20px}.opening-card{min-height:130px;padding:16px;text-align:left;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.opening-card:hover{border-color:#75bce1;transform:translateY(-2px)}.opening-card>span{display:inline-grid;min-width:30px;height:30px;place-items:center;color:#fff;border-radius:9px;background:#237fad;font:900 .65rem ui-monospace,monospace}.opening-card b,.opening-card small,.opening-card em{display:block}.opening-card b{margin-top:10px;font-size:.84rem}.opening-card small{margin-top:4px;color:var(--muted);font-size:.64rem}.opening-card em{margin-top:11px;color:#277ba9;font-size:.61rem;font-style:normal;font-weight:750}.empty{padding:50px;color:var(--muted);text-align:center}.modal-detail{position:fixed;z-index:20;top:20px;right:20px;bottom:20px;left:20px;width:min(440px,calc(100% - 32px));margin-left:auto;box-shadow:0 20px 70px #08132161}@media(max-width:1120px){.workspace.focused{grid-template-columns:minmax(0,1fr) 370px}}@media(max-width:900px){.workspace,.workspace.focused{grid-template-columns:1fr}.detail{position:relative;top:auto;max-height:none}.directory-heading{align-items:flex-start}.detail .xiangqi-piece{font-size:clamp(.7rem,3vw,1.15rem)}}@media(max-width:620px){main{padding:15px 12px 40px}.hero{align-items:center}.hero h1{font-size:2.15rem}.hero>div>p:last-child{font-size:.8rem}.theme-button{flex:0 0 auto;font-size:.7rem}.lens-tabs{gap:7px}.lens-tabs button{grid-template-columns:32px 1fr;min-height:64px;padding:9px}.lens-tabs button>span{width:30px;height:30px;font-size:.9rem}.lens-tabs b{font-size:.78rem}.lens-tabs small{font-size:.57rem}.filter{flex:1 1 100px}.filter select{width:100%}.explorer-panel,.search-results{padding:15px}.side-switcher{position:sticky;z-index:8;top:5px;gap:7px}.side-switcher button{grid-template-columns:31px auto;min-height:60px;padding:8px 10px}.side-switcher button>span{width:30px;height:30px;font-size:.9rem}.side-switcher button b{font-size:.8rem}.directory-heading{display:grid}.summary{width:100%;justify-content:center}.route-grid,.reply-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.family-groups{grid-template-columns:1fr}.taxonomy-level{padding:13px}.xiangqi-board{border-width:8px}.xiangqi-piece{font-size:clamp(.61rem,4vw,1.08rem)}.river{font-size:.7rem}.move-line{grid-template-columns:1fr 1fr}.strategy-grid{grid-template-columns:1fr}.strategy-grid button{min-height:150px}.plan-grid,.warning-grid{grid-template-columns:1fr}.family-header{display:grid}.modal-detail{top:8px;right:8px;bottom:8px;left:8px;width:calc(100% - 16px)}.opening-card-grid{grid-template-columns:1fr}}@media(max-width:390px){.route-grid,.reply-grid,.move-line{grid-template-columns:1fr}}@media(max-width:620px){.floating-live-board{width:min(90vw,350px);min-width:240px;max-height:calc(100vh - 16px);padding:9px}.floating-board-actions>span{font-size:.55rem}.floating-live-board .xiangqi-board{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}