:root{--paper:#FCF8EF;--ink:#293B34;--muted:#68756D;--green:#597E70;--red:#B84A46;--border:#DAD8CD;--panel:#fffcf6;--radius:14px;color-scheme:light;font-family:"Alibaba PuHuiTi","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-width:320px}body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:url('./assets/images/landscape.webp?v=2') center bottom/cover no-repeat;opacity:.3}button,input{font:inherit}button{cursor:pointer;color:inherit;min-height:46px;border:0;background:none;touch-action:manipulation}button:disabled{cursor:default;opacity:.52}button:not(:disabled):active{transform:translateY(1px)}button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--green);outline-offset:3px}button:focus:not(:focus-visible){outline:0}[hidden]{display:none!important}h1,h2,h3,.brand{font-family:"Source Han Serif CN","Songti SC","STSong",serif}h1,h2,h3,p{margin:0}h1{font-size:clamp(42px,4.6vw,66px);line-height:1.5;letter-spacing:.035em}h2{font-size:34px;line-height:1.5}p{line-height:1.75}img{display:block;max-width:100%}.muted,small{color:var(--muted)}small{font-size:14px;display:block;margin-top:8px}.error{color:var(--red);font-size:15px;min-height:22px}.error:empty{display:none}.full{width:100%}.primary,.quiet{padding:11px 22px;border-radius:var(--radius);transition:background-color .15s,box-shadow .15s}.primary{background:var(--green);color:var(--paper)}.primary:hover:not(:disabled){background:#486d5e}.quiet{background:var(--panel);border:1px solid var(--border)}.quiet:hover:not(:disabled){background:#f1f0e6}.danger{background:var(--red);color:white}.text-action{font-weight:600;text-align:left;padding:8px 0}.text-action:hover{color:var(--green)}
.site-header{height:88px;max-width:1440px;margin:0 auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);gap:20px}.brand{font-size:36px;letter-spacing:.08em;font-weight:700;padding:0;display:flex;align-items:center;gap:16px;white-space:nowrap}.seal{font:12px/1.25 "Songti SC",serif;writing-mode:vertical-rl;letter-spacing:2px;background:var(--red);color:var(--paper);border-radius:4px;padding:5px 3px}.site-header nav{display:flex;gap:10px}.entry-layout{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1.65fr) minmax(360px,1fr);gap:34px;padding:48px 48px 48px 0;min-height:calc(100dvh - 88px)}.story{position:relative;min-height:690px;overflow:hidden}.hero-art{position:absolute;inset:100px 0 0;width:100%;height:calc(100% - 100px);object-fit:cover;object-position:62% bottom;filter:saturate(.94);pointer-events:none;-webkit-mask-image:linear-gradient(to right,transparent,#000 9%,#000 82%,transparent),linear-gradient(to bottom,transparent,#000 18%,#000 78%,transparent);-webkit-mask-composite:source-in;mask-image:linear-gradient(to right,transparent,#000 9%,#000 82%,transparent),linear-gradient(to bottom,transparent,#000 18%,#000 78%,transparent);mask-composite:intersect}.story-copy{position:relative;padding:36px 24px 0 12%;max-width:820px}.story-copy p{font-size:22px;margin-top:23px;color:var(--muted)}.entry-panel{align-self:start;margin-top:15px;padding:32px 36px;border:1px solid var(--border);border-radius:24px;background:rgb(255 252 246 / .95)}.entry-panel h2{margin-bottom:25px}.tabs{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--border);border-radius:14px;overflow:hidden;margin-bottom:30px}.tabs button{padding:14px 10px;min-height:52px}.tabs button[aria-selected=true]{background:#d2e5df;box-shadow:inset 0 -2px var(--green)}label,legend{font-size:16px}form>label,#code-field>label{display:block;margin-bottom:10px}input:not([type=radio]){background:#fffdf8;border:1px solid var(--border);border-radius:12px;padding:14px 16px;width:100%;min-height:52px;color:var(--ink)}input::placeholder{color:#73786f}fieldset{border:0;padding:0;margin:26px 0}legend{margin-bottom:13px}.seat-choices{display:grid;grid-template-columns:1fr 1fr;gap:12px}.seat-choices label{display:flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--border);border-radius:12px;padding:15px 8px;cursor:pointer}.seat-choices label:has(input:checked){background:#e7eee8;border-color:var(--green)}input[type=radio]{accent-color:var(--green);width:18px;height:18px;margin:0}#code-field{margin:26px 0}.entry-panel .error{margin:14px 0}.local-entry{border-top:1px solid var(--border);margin-top:34px;padding-top:22px}.local-entry .text-action{font-size:22px;width:100%;display:flex;justify-content:space-between}.local-entry p{font-size:16px;color:var(--muted);margin-bottom:10px}.room-share{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:20px}.room-share strong{font:36px "Source Han Serif CN","Songti SC",serif;letter-spacing:.08em}.seats{margin:18px 0 24px}.seat{display:flex;gap:16px;align-items:center;border-bottom:1px solid var(--border);padding:24px 0}.seat img{width:76px;height:76px}.seat strong{display:block;font-size:22px;margin-bottom:7px}.seat small{margin:0}.entry-panel>.full+.full{margin-top:14px}#wait-hint{margin-bottom:18px}
#play{max-width:1400px;margin:0 auto;padding:16px 36px 36px}.game-meta{display:flex;align-items:center;gap:16px;font-size:14px;min-height:36px;margin-bottom:12px;color:var(--muted)}.game-meta .text-action{margin-left:auto;font-size:14px;min-height:32px;padding:0}#connection.offline{color:var(--red)}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}.board-column{display:flex;flex-direction:column;align-items:center;min-width:0;gap:12px}.player-strip{width:min(100%,680px);display:flex;align-items:center;gap:12px;border-radius:14px;padding:8px 16px;min-height:64px;background:#e9eee6}.player-strip.red{background:#f1e2dc}.player-strip img{width:48px;height:48px}.player-strip strong{font-size:20px}.player-strip .player-state{margin-left:auto;font-size:15px;color:var(--muted)}.player-strip.current .player-state{color:var(--red);font-weight:600}.board{position:relative;width:100%;max-width:min(680px,calc((100dvh - 250px)*.9066));aspect-ratio:1097/1210;isolation:isolate;container-type:inline-size;touch-action:manipulation;user-select:none;-webkit-user-select:none}.board-art{position:absolute;inset:0;border-radius:2.2%;overflow:hidden;box-shadow:0 5px 12px rgb(83 59 30 / .2)}.board-art img{position:absolute;max-width:none;width:107.748%;height:109.917%;left:-3.92%;top:-2.314%;pointer-events:none}.pieces,.intersections{position:absolute;inset:0;pointer-events:none}.intersection,.piece,.preview{position:absolute;padding:0;min-height:0;transform:translate(-50%,-50%);pointer-events:auto}.intersection{width:10.9%;height:9.88%;z-index:1;border:0;display:grid;place-items:center}.intersection::after{content:"";width:18%;aspect-ratio:1;border-radius:50%;background:var(--green);opacity:0;box-shadow:0 0 0 3px rgb(252 248 239 / .8)}.intersection.legal::after{opacity:.85}.intersection.last::before{content:"";position:absolute;width:55%;height:55%;border:1px dashed var(--red);border-radius:50%;opacity:.55}.piece{width:11.55%;aspect-ratio:1;z-index:3;border:0;border-radius:50%;background:none;transition:none}.piece img{width:100%;height:100%;pointer-events:none}.piece:not(:disabled):active,.intersection:not(:disabled):active{transform:translate(-50%,-50%)}.piece::after{content:"";position:absolute;inset:5%;border-radius:50%;border:2px solid transparent;pointer-events:none}.piece.selected{z-index:5}.piece.selected::after{border-color:var(--green);box-shadow:0 0 0 3px rgb(252 248 239 / .72)}.piece.invalid::after,.piece.checked::after{border-color:var(--red);box-shadow:0 0 0 2px rgb(252 248 239 / .8)}.piece:disabled{opacity:1}.piece:focus-visible{outline-offset:-3px}.preview{width:11.55%;aspect-ratio:1;pointer-events:none;z-index:4;opacity:.56}.preview img{width:100%;height:100%}.preview::after{content:"";position:absolute;inset:2%;border:2px dashed var(--green);border-radius:50%}.game-panel{border-left:1px solid var(--border);padding-left:30px;padding-top:12px;min-height:520px}.turn-message h2{color:var(--red);font-size:32px;margin-bottom:12px}.turn-message p{font-size:17px;color:var(--muted)}.turn-message .error{color:var(--red);font-size:15px;margin-top:10px}.game-panel>.primary{margin-top:24px;min-height:52px}.action-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.action-row button{padding:10px 8px}.proposal{margin-top:18px;padding:18px;background:#e7eee8;border:1px solid #c1cfc3;border-radius:14px}.proposal p{margin-bottom:10px}.proposal .action-row{grid-template-columns:repeat(2,1fr)}#restart-local{margin-top:14px}details{border-top:1px solid var(--border);margin-top:26px;padding-top:18px}summary{cursor:pointer;font-size:20px;min-height:36px}summary span{float:right;font:14px/2.5 sans-serif;color:var(--muted)}.history{list-style:none;padding:0;margin:12px 0 0;max-height:260px;overflow:auto;scrollbar-width:thin}.history li{display:flex;gap:10px;font-size:15px;line-height:1.7;padding:7px 0;border-bottom:1px solid #e4e1d7}.history .red{color:var(--red)}.history .empty{color:var(--muted);border:0;padding:28px 0}.board-instruction{font-size:14px;color:var(--muted);margin-top:24px}.result-panel{margin:24px auto 0;max-width:1000px;background:var(--panel);border:1px solid var(--border);border-radius:20px;padding:22px;display:flex;gap:22px;align-items:center}.result-panel>img{width:100px;flex-shrink:0}.result-panel h2{color:var(--red)}.result-actions{margin-left:auto;display:flex;flex-direction:column;gap:10px}.result-panel p{color:var(--muted)}
dialog{width:min(850px,calc(100vw - 32px));border:1px solid var(--border);border-radius:22px;padding:0;background:var(--panel);color:var(--ink);max-height:90dvh;box-shadow:0 24px 80px rgb(41 59 52 / .2)}dialog::backdrop{background:rgb(31 38 33 / .4)}.dialog-body{padding:32px}.dialog-body>h2{padding-right:80px;margin-bottom:24px}.dialog-close{position:absolute;top:20px;right:20px;min-height:40px;padding:8px 12px;font-size:14px}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:28px}.dialog-actions button{min-width:140px}.rule-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.rule-item{display:flex;gap:16px;align-items:center}.rule-item img{width:64px;height:64px;flex-shrink:0}.rule-item h3{font-size:20px;margin-bottom:5px}.rule-item p{font-size:15px;color:var(--muted)}.rule-footnote{font-size:14px;color:var(--muted);margin-top:24px;border-top:1px solid var(--border);padding-top:18px}.toast{position:fixed;bottom:max(22px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);z-index:10;background:var(--ink);color:var(--paper);border-radius:14px;padding:14px 22px;max-width:90vw;box-shadow:0 6px 25px rgb(0 0 0 / .15)}
@media(min-width:1600px){.story{min-height:760px}}
@media(max-width:1050px){.hero-art{top:170px;height:auto;aspect-ratio:3/2}.entry-layout{grid-template-columns:minmax(0,1fr) minmax(320px,1fr);gap:18px;padding-right:26px}.entry-panel{padding:28px 24px}.story-copy{padding-left:9%;padding-right:0}.story-copy p{font-size:18px}.game-layout{grid-template-columns:1fr;gap:22px}.game-panel{border:0;padding:0;min-height:0;width:min(100%,706px);margin:0 auto}.board{max-width:706px}.player-strip{width:min(100%,706px)}.turn-message h2{font-size:26px}.game-panel>.primary{margin-top:12px}.board-instruction{margin-top:14px}.history{max-height:170px}.result-panel{max-width:706px}}
@media(max-width:700px){.site-header{height:76px;padding:0 20px}.brand{font-size:27px;gap:8px}.seal{display:none}.site-header nav{gap:6px}.site-header .quiet{padding:9px 12px;font-size:14px;min-height:42px}.entry-layout{display:block;padding:0 18px 30px;min-height:0}.story{height:305px;min-height:0;margin:0 -18px}.story-copy{padding:24px 24px 0}.story-copy h1{font-size:36px;line-height:1.4}.story-copy h1 br{display:none}.story-copy p{font-size:16px;margin-top:10px}.hero-art{top:120px;height:calc(100% - 120px);aspect-ratio:auto;object-position:right bottom}.entry-panel{margin-top:0;padding:25px 24px;border-radius:20px}.entry-panel h2{font-size:28px;margin-bottom:18px}.tabs{margin-bottom:22px}fieldset{margin:22px 0}.local-entry{margin-top:24px;padding-top:14px}.local-entry .text-action{font-size:20px}.room-share strong{font-size:30px}#waiting .story{height:230px}#waiting .hero-art{inset:auto 0 0 auto;width:45%;height:auto;aspect-ratio:3/2;object-fit:contain}#waiting .story-copy h1{font-size:32px}#play{padding:8px 12px 28px}.game-meta{margin:0 8px 10px;gap:8px;font-size:12px}.board{max-width:100%}.board-column{gap:10px}.player-strip{padding:4px 10px;min-height:48px}.player-strip img{width:40px;height:40px}.player-strip strong{font-size:16px}.player-strip .player-state{font-size:13px}.game-layout{gap:14px}.game-panel{padding:0 8px}.turn-message h2{font-size:23px;display:inline;margin-right:8px}.turn-message p{font-size:14px;display:inline}.turn-message .error{display:block}.turn-message .error:empty{display:none}.game-panel>.primary{min-height:48px}.action-row{margin-top:10px}.game-panel details{margin-top:18px}summary{font-size:18px}.board-instruction{font-size:12px}.result-panel{display:grid;grid-template-columns:72px 1fr;padding:18px;gap:12px}.result-panel>img{width:72px}.result-panel h2{font-size:27px}.result-actions{grid-column:1/-1;margin:0;flex-direction:row}.result-actions>button{flex:1;padding:12px 8px}.dialog-body{padding:24px 20px}.dialog-body>h2{font-size:26px}.rule-grid{grid-template-columns:1fr;gap:18px}.dialog-actions button{min-width:0;flex:1}.dialog-close{right:12px;top:16px}.piece{min-width:34px;min-height:34px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}
.settlement{min-height:calc(100dvh - 88px);padding:40px 24px 56px;display:grid;place-items:center;background:linear-gradient(180deg,rgb(250 247 239 / .25),rgb(250 247 239 / .72))}
.settlement-sheet{position:relative;width:min(100%,600px);padding:40px 64px 28px;text-align:center;background:rgb(255 252 245 / .94);border:1px solid #d7cfbd;box-shadow:0 18px 65px rgb(69 50 30 / .1);border-radius:6px}
.settlement-sheet::before{content:"";position:absolute;inset:10px;border:1px solid #e5ddcd;pointer-events:none}
.settlement-eyebrow{font-size:13px;color:var(--muted);letter-spacing:.22em}
.settlement-emblem{position:relative;width:204px;margin:20px auto 8px}
.settlement-emblem img{width:204px;height:204px;filter:drop-shadow(0 12px 12px rgb(80 47 20 / .16))}
.victory-seal{position:absolute;right:-6px;top:12px;font:25px/1.25 "Songti SC",serif;border:2px solid var(--red);color:var(--red);padding:5px 7px;transform:rotate(8deg);z-index:1;border-radius:3px}
.settlement h1{font-size:52px;line-height:1.25;letter-spacing:.1em;color:var(--red);outline:none}
.settlement[data-side=black] h1{color:var(--ink)}
.settlement-player{font-size:18px;margin-top:16px;color:var(--ink)}
.settlement-reason{font-size:14px;color:var(--muted);margin-top:4px}
.settlement-stats{display:grid;grid-template-columns:1fr 1fr;margin:26px 0 28px;padding:18px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.settlement-stats>div+div{border-left:1px solid var(--border)}
.settlement-stats strong{display:block;font:30px/1.2 "Songti SC",serif;color:var(--ink)}
.settlement-stats span{display:block;color:var(--muted);font-size:12px;margin-top:7px;letter-spacing:.12em}
.settlement-sheet>.primary{min-height:52px;font-size:18px}
.settlement-links{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:12px;color:var(--muted)}
.settlement-links button{font-size:14px;font-weight:400}
.settlement .proposal{text-align:left;margin:0 0 18px}
@media(max-width:700px){.settlement{min-height:calc(100dvh - 76px);padding:20px 16px 32px;align-items:start}.settlement-sheet{padding:28px 28px 20px}.settlement-emblem{width:166px;margin-top:16px}.settlement-emblem img{width:166px;height:166px}.settlement h1{font-size:42px}.settlement-player{margin-top:12px;font-size:16px}.settlement-stats{margin:22px 0;padding:16px 0}.settlement-links{gap:22px}}
@media(max-height:720px) and (min-width:701px){.settlement{padding-top:20px}.settlement-sheet{padding-top:28px}.settlement-emblem{width:140px;margin-top:10px}.settlement-emblem img{width:140px;height:140px}.settlement h1{font-size:44px}.settlement-stats{margin:18px 0;padding:12px 0}}