@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:700;font-display:swap;src:url(/brand/chess/fonts/noto-serif-sc-latin-700.woff2?v=20260821font) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:900;font-display:swap;src:url(/brand/chess/fonts/noto-serif-sc-latin-900.woff2?v=20260821font) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:700;font-display:swap;src:url(/brand/chess/fonts/noto-serif-sc-700.woff2?v=20260821font) format("woff2");unicode-range:U+3000-303F,U+3040-309F,U+30A0-30FF,U+3100-312F,U+3400-4DBF,U+4E00-9FFF,U+F900-FAFF,U+FF00-FFEF}@font-face{font-family:"Noto Serif SC";font-style:normal;font-weight:900;font-display:swap;src:url(/brand/chess/fonts/noto-serif-sc-900.woff2?v=20260821font) format("woff2");unicode-range:U+3000-303F,U+3040-309F,U+30A0-30FF,U+3100-312F,U+3400-4DBF,U+4E00-9FFF,U+F900-FAFF,U+FF00-FFEF}:root{--linen: #f5f0e1;--linen-2: #efe7d2;--wood: #deb887;--wood-deep: #c89b6a;--ink: #2b2118;--ink-soft: #5a4a38;--brown: #8b4513;--brown-deep: #6b340e;--jade: #3a6b4f;--jade-deep: #2c5440;--gold: #b8860b;--line: rgba(120, 80, 40, .22);--line-soft: rgba(120, 80, 40, .14);--surface: #fbf7ec;--surface-2: #f1e8d4;--radius: 14px;--radius-lg: 20px;--shadow: 0 14px 36px rgba(90, 60, 25, .18);--scroll-thumb: rgba(120, 80, 40, .38);--scroll-track: transparent;--serif: "Noto Serif SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--sidebar-w: 200px;--ad-w: 160px;color-scheme:light;scrollbar-width:thin;scrollbar-color:var(--scroll-thumb) var(--scroll-track)}:root[data-theme=dark]{--linen: #241d15;--linen-2: #2c2419;--ink: #f0e7d6;--ink-soft: #bfb098;--brown: #d08a4e;--brown-deep: #b3702f;--jade: #5a9b76;--jade-deep: #4a8564;--gold: #d8a838;--line: rgba(220, 190, 150, .18);--line-soft: rgba(220, 190, 150, .1);--surface: #2b2319;--surface-2: #342a1e;--shadow: 0 14px 36px rgba(0, 0, 0, .4);--scroll-thumb: rgba(208, 138, 78, .48);--scroll-track: rgba(18, 12, 8, .42);color-scheme:dark}html{height:100%;background-color:#8b4513}html,body{height:100%}*,*:before,*:after{box-sizing:border-box}[hidden]{display:none!important}img,svg,canvas{display:block}body{margin:0;min-width:320px;color:var(--ink);font:16px/1.6 var(--sans);background-color:#8b4513;transition:color .25s}html[data-theme=dark],html[data-theme=dark] body{background-color:#3a2410}button{appearance:none;margin:0;padding:0;border:none;background:none;font:inherit;color:inherit;line-height:inherit}button,select,input{font:inherit;color:inherit}a{color:var(--brown);text-decoration:none}a:hover{color:var(--gold)}.app{display:flex;height:100dvh;overflow:hidden}.sidebar{flex:0 0 var(--sidebar-w);width:var(--sidebar-w);display:flex;flex-direction:column;padding:calc(18px + env(safe-area-inset-top)) 14px 14px;color:#fdf6e8;background-color:#8b4513;background-image:linear-gradient(165deg,#8b4513,#7a3a0d 55%,#5d2c08);border-right:2px solid rgba(40,18,4,.4);box-shadow:4px 0 20px #502d0f40}:root[data-theme=dark] .sidebar{background-color:#3a2410;background-image:linear-gradient(165deg,#3a2410,#2c1a0a 55%,#1d1006);border-right:2px solid rgba(0,0,0,.5);box-shadow:4px 0 20px #00000059}.brand{display:flex;align-items:center;gap:11px;padding:4px 8px 18px}.sidebar .brand{flex-direction:column;align-items:center;text-align:center;gap:10px;width:100%;padding:8px 8px 18px;margin-bottom:10px;border-bottom:1px solid rgba(255,244,224,.12)}.sidebar .brand .brand__mark{width:44px;height:44px;padding:0;border-radius:11px;background:none;border:none;box-shadow:none;filter:drop-shadow(0 4px 10px rgba(0,0,0,.35))}.sidebar .brand,.sidebar .brand:hover{color:#fff8ec;text-decoration:none}.sidebar .brand__name{flex-direction:column;align-items:center;gap:3px;color:#fff8ec;font-family:var(--sans);font-size:14px;font-weight:800;line-height:1.2;height:auto;letter-spacing:0;overflow:visible;white-space:nowrap}.sidebar .brand__text{display:flex;flex-direction:column;align-items:center;gap:6px}.sidebar__top-spacer{display:none}.brand .brand__mark{display:block;border-radius:9px;filter:drop-shadow(0 3px 6px rgba(0,0,0,.35))}.brand__name{display:flex;align-items:baseline;gap:7px;margin:0;font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.06em;line-height:1.15;white-space:nowrap}.brand__latin{font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft)}.sidebar .brand__latin{color:#ffeccda8}.brand__text p{margin:0;font-size:12px;letter-spacing:.02em;color:var(--ink-soft)}.sidebar .brand__text p{color:#fff8e89e}.nav{display:flex;flex-direction:column;justify-content:flex-start;gap:4px;flex:1 1 auto}.nav__item{display:flex;align-items:center;gap:12px;flex:0 0 42px;height:42px;padding:11px 14px;border:none;border-radius:12px;background:transparent;color:#fff0dcb8;font-size:15px;font-weight:500;line-height:20px;text-align:left;white-space:nowrap;overflow:hidden;cursor:pointer;transition:background .18s,color .18s}.nav__item:hover{background:#fff0dc1a;color:#fff3e0}.nav__item.active{background:linear-gradient(135deg,#fff0dc38,#fff0dc1a);color:#fff8ec;box-shadow:inset 3px 0 0 var(--gold)}.nav__item svg{flex:0 0 auto;width:20px;height:20px}html[lang=en] .nav__item{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",var(--sans);font-weight:600;color:#fff0dcd1}html[lang=en] .nav__item.active{font-weight:600}.sidebar__foot{padding:14px 8px 0;border-top:1px solid rgba(255,240,220,.14);font-size:12px;color:#fff0dc99;display:flex;flex-direction:column;gap:12px}.sidebar__tools{display:flex;gap:10px;justify-content:center}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;padding:0;border:1px solid rgba(255,240,220,.18);border-radius:12px;background:#fff0dc14;color:#fff4e4e6;cursor:pointer;transition:background .16s,border-color .16s,transform .12s,opacity .16s}.icon-btn:hover{background:#fff0dc29;border-color:#fff0dc52}.icon-btn:active{transform:translateY(1px)}.icon-btn svg{flex:0 0 auto;width:18px;height:18px}.goy-icon-sun{display:none}:root[data-theme=dark] .goy-icon-sun{display:block}:root[data-theme=dark] .goy-icon-moon{display:none}.icon-btn:disabled{opacity:.42;cursor:not-allowed}.icon-btn:disabled:hover{background:#fff0dc14;border-color:#fff0dc2e}.sidebar__panel{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}.menu-toggle,.nav-scrim{display:none}.content{flex:1 1 auto;min-width:0;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--scroll-thumb) var(--scroll-track);overflow-x:hidden;background:repeating-linear-gradient(90deg,rgba(255,255,255,.18) 0 2px,transparent 2px 5px),repeating-linear-gradient(0deg,rgba(150,110,60,.05) 0 2px,transparent 2px 6px),linear-gradient(160deg,#f7f2e6 0%,var(--linen) 50%,#efe6d0 100%)}:root[data-theme=dark] .content{background:repeating-linear-gradient(90deg,rgba(255,255,255,.02) 0 2px,transparent 2px 5px),repeating-linear-gradient(0deg,rgba(0,0,0,.12) 0 2px,transparent 2px 6px),linear-gradient(160deg,#1f1810 0%,var(--linen) 50%,#1b150e 100%)}.content-main{display:flex;flex-direction:column;min-width:0;min-height:100%}.play{display:grid;--panel-w: 336px;--mid: calc(var(--panel-w) + 14px);grid-template-columns:minmax(0,1fr) var(--mid) var(--ad-w);column-gap:0;row-gap:14px;align-items:start;height:100dvh;min-height:100dvh;padding:12px}.play.play--ready{transition:grid-template-columns .32s cubic-bezier(.22,1,.36,1)}.play--noad{grid-template-columns:minmax(0,1fr) var(--mid)}.play--collapsed{--mid: 0px;grid-template-columns:minmax(0,1fr) 0px var(--ad-w)}.play--noad.play--collapsed{grid-template-columns:minmax(0,1fr) 0px;padding-right:42px}.board{position:relative;z-index:2;min-width:0;min-height:0;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:10px;overflow:visible;container-type:size;--sq: min(100cqw, calc(100cqh - 96px) )}.play--scoring:not(.play--spectating) .board{--sq: min(100cqw, calc(100cqh - 200px) )}.play--scoring:not(.play--spectating) .toolbar--board{display:none}.play--spectating .toolbar--board{display:none}.play--spectating .board{--sq: min(100cqw, calc(100cqh - 56px) )}[data-goy-spectate-leave]{display:none}.play--spectating [data-goy-spectate-leave=panel]{display:block;width:100%}.play-head [data-goy-spectate-leave=head]{flex:0 0 auto;white-space:nowrap}.board__stage{position:relative;flex:0 0 auto;width:var(--sq);height:var(--sq);display:flex;align-items:center;justify-content:center;overflow:visible;-webkit-tap-highlight-color:transparent}.panel-toggle{position:absolute;top:50%;right:-30px;transform:translateY(-50%);z-index:20;display:flex;align-items:center;justify-content:center;width:30px;height:48px;padding:0;border:1px solid var(--line);border-left:none;border-radius:0 12px 12px 0;background:var(--surface);color:var(--brown-deep);box-shadow:3px 0 8px #3c1e0a14;cursor:pointer;transition:background .2s}.panel-toggle:hover{background:var(--surface-2)}.panel-toggle svg{width:16px;height:16px;transition:transform .32s cubic-bezier(.22,1,.36,1)}.play--collapsed .panel-toggle svg{transform:rotate(180deg)}.play-head{flex:0 0 auto;width:var(--sq);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.play-head__meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.play-title{margin:0;font-family:var(--serif);font-size:18px;font-weight:700;letter-spacing:.03em;color:var(--brown-deep);line-height:1.2}.head-live{display:flex;align-items:center;gap:7px;flex-wrap:wrap;justify-content:flex-end}.head-live__turn,.head-live__cap{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;font-size:13px;font-weight:600;line-height:1;white-space:nowrap;border:1px solid var(--line)}.head-live__turn{background:var(--surface);color:var(--ink)}.head-live__turn [data-goy-turn-text],.head-live__turn [data-chy-turn-text]{min-width:12ch}.head-live__cap{background:var(--surface);color:var(--ink-soft)}.head-live__cap b{color:var(--ink);font-weight:700}.head-live__sep{color:var(--line);margin:0 1px}.infobar{width:100%;max-width:min(100%,calc(100dvh - 140px));display:flex;align-items:center;flex-wrap:wrap;gap:8px}.size-switch{flex:1 1 auto;display:flex;justify-content:flex-end;gap:4px;padding:3px;border-radius:999px}.size-switch__btn{padding:5px 12px;border:1px solid var(--line-soft);border-radius:999px;background:var(--surface);color:var(--ink-soft);font-size:13px;font-weight:500;cursor:pointer;transition:background .16s,color .16s,border-color .16s}.size-switch__btn:hover{background:var(--surface-2);color:var(--ink)}.size-switch__btn.active{background:linear-gradient(135deg,var(--jade),var(--jade-deep));color:#f3fbf5;border-color:transparent}.size-switch.is-locked .size-switch__btn:not(.active){opacity:.42;cursor:not-allowed}.size-switch.is-locked .size-switch__btn:not(.active):hover{background:var(--surface);color:var(--ink-soft)}.mode-pill{flex:0 0 auto;padding:5px 12px;border-radius:999px;background:linear-gradient(135deg,var(--jade),var(--jade-deep));color:#f3fbf5;font-size:13px;letter-spacing:.03em}.turn{flex:0 0 auto;padding:5px 12px;border-radius:999px;background:var(--ink);color:#f7efe0;font-size:13px}.info-cap{flex:1 1 auto;text-align:right;color:var(--ink-soft);font-size:14px}.btn-sound{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:1px solid var(--line-soft);border-radius:50%;background:var(--surface);color:var(--ink-soft);cursor:pointer;transition:background .16s,color .16s,border-color .16s,opacity .16s}.btn-sound svg{width:18px;height:18px}.btn-sound:hover{background:var(--surface-2);color:var(--ink);border-color:var(--line)}.btn-sound[aria-pressed=false]{opacity:.5}.board__frame{position:relative;width:100%;height:100%;aspect-ratio:1 / 1;overflow:hidden;padding:clamp(3px,.6vw,8px);border-radius:var(--radius-lg);background:linear-gradient(150deg,#e8c79a,var(--wood) 55%,#cfa775);box-shadow:var(--shadow),inset 0 0 0 2px #fff0d266,inset 0 0 30px #78502840;-webkit-tap-highlight-color:transparent}.board__frame.is-check{animation:chy-check-border .55s ease-in-out infinite alternate}.chy-check-banner{position:absolute;top:2.4%;left:50%;z-index:12;transform:translate(-50%);pointer-events:none}.chy-check-pill{display:block;color:#fff;background:#b82d1b;font-size:clamp(.78rem,2.4vw,.92rem);font-weight:700;letter-spacing:.04em;padding:.18rem .8rem;border-radius:999px;box-shadow:0 2px 8px #b82d1b66;animation:chy-check-pill .65s ease-in-out infinite alternate}@keyframes chy-check-border{0%{box-shadow:var(--shadow),inset 0 0 0 2px #fff0d266,inset 0 0 30px #78502840}to{box-shadow:var(--shadow),inset 0 0 0 5px #e74c3c,inset 0 0 28px #e74c3c80}}@keyframes chy-check-pill{0%{transform:scale(1);box-shadow:0 0 #e74c3c99}to{transform:scale(1.07);box-shadow:0 0 0 7px #e74c3c00}}.board__frame canvas{display:block;width:100%;height:100%;max-width:100%;max-height:100%;aspect-ratio:1 / 1;object-fit:contain;border-radius:8px;cursor:pointer;touch-action:manipulation;outline:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.goy-board-host{width:100%;height:100%;min-width:0;min-height:0;aspect-ratio:1 / 1;-webkit-tap-highlight-color:transparent;user-select:none}.board__status{position:absolute;left:50%;bottom:14px;z-index:3;margin:0;max-width:calc(100% - 28px);padding:7px 14px;border-radius:999px;transform:translate(-50%);background:#3d200cdb;color:#fff8ee;font-size:13px;font-weight:600;line-height:1.3;text-align:center;pointer-events:none;box-shadow:0 8px 20px #28120447}.board__status[hidden]{display:none}.panel{min-width:0;min-height:0;width:auto;height:100%;margin-left:14px;display:flex;flex-direction:column;gap:14px;overflow:hidden;padding-right:2px}.panel>.card:not(.card-history){flex:0 0 auto}.play.play--ready .panel{transition:margin-left .32s cubic-bezier(.22,1,.36,1),opacity .22s ease}.play--collapsed .panel{margin-left:0;opacity:0;pointer-events:none;overflow:hidden}.status-card{display:flex;flex-direction:column;gap:12px;padding:16px;background:linear-gradient(158deg,var(--surface),var(--surface-2))}.status-card__top{display:flex;align-items:center;gap:8px}.status-card__top .btn-sound{margin-left:auto}.status-card__turn{display:flex;align-items:center;gap:10px;margin:0;font-family:var(--serif);font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--brown-deep)}.stone-dot{flex:0 0 auto;width:18px;height:18px;border-radius:50%;box-shadow:0 1px 3px #3c220c59}.stone-dot.black{background:radial-gradient(circle at 35% 30%,#4a4238,#14100a 70%);box-shadow:none}.stone-dot.white{background:radial-gradient(circle at 35% 30%,#fffefb,#ddd2c0 78%);border:1px solid var(--line)}.status-card__hint{margin:0;padding:9px 12px;border-radius:10px;background:var(--surface);border:1px solid var(--line-soft);color:var(--ink-soft);font-size:13px;line-height:1.5;min-height:calc(20px + 3em)}.panel-leave{width:100%;margin-top:10px}.status-card__size{display:flex;align-items:center;gap:10px}.status-card__label{flex:0 0 auto;color:var(--ink-soft);font-size:13px}.status-card__size .size-switch{flex:1 1 auto;justify-content:stretch;gap:4px;padding:3px;background:var(--surface);border:1px solid var(--line-soft)}.status-card__size .size-switch__btn{flex:1 1 0;text-align:center}.card-captured{flex:0 0 auto;padding:8px 12px;background:var(--surface-2)}.captured-tray{display:flex;align-items:stretch;justify-content:space-between;gap:10px;min-height:36px}.captured-side{display:flex;flex:1;flex-wrap:wrap;align-items:center;gap:2px;min-width:0}.captured-side--end{justify-content:flex-end;text-align:right}.captured-split{flex:0 0 1px;align-self:stretch;background:var(--line)}.captured-empty{font-size:13px;font-weight:500;color:var(--ink-soft)}.captured-pieces{font-family:Segoe UI Symbol,Apple Symbols,"Noto Sans Symbols 2",Arial Unicode MS,sans-serif;font-size:20px;font-weight:400;letter-spacing:.02em;line-height:1.2;word-break:break-all}.captured-pieces--white{color:#fbf3e0;text-shadow:-.6px 0 #3a2417,.6px 0 #3a2417,0 -.6px #3a2417,0 .6px #3a2417,0 1px 1px rgba(0,0,0,.2)}.captured-pieces--black{color:#2a1c12;text-shadow:-.7px 0 #d8c4a0,.7px 0 #d8c4a0,0 -.7px #d8c4a0,0 .7px #d8c4a0}:root[data-theme=dark] .card-captured{background:var(--surface)}:root[data-theme=dark] .captured-pieces--white{color:#f5ead4;text-shadow:-.7px 0 #1a120c,.7px 0 #1a120c,0 -.7px #1a120c,0 .7px #1a120c,0 1px 2px rgba(0,0,0,.45)}:root[data-theme=dark] .captured-pieces--black{color:#1a120c;text-shadow:-.85px 0 #cbb892,.85px 0 #cbb892,0 -.85px #cbb892,0 .85px #cbb892,0 0 0 1px rgba(203,184,146,.35)}.card-history{display:flex;flex-direction:column;flex:0 1 auto;min-height:0;overflow:hidden}.card-history__head{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex:0 0 auto}.card-history:has(.move-list:empty) .card-history__head{margin-bottom:0}.card-history__head h3{margin:0}.card-history__meta{margin-left:auto;font-size:12px;font-weight:600;color:var(--ink-soft)}.move-list{margin:0;padding:0 8px 0 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;list-style:none;flex:0 0 auto;min-height:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--scroll-thumb) var(--scroll-track)}.move-list:empty{display:none}.board__bar{width:100%;display:flex;align-items:center;gap:10px;padding:8px 14px;border:1px solid var(--line-soft);border-radius:12px;background:var(--surface)}.board__bar label{flex-shrink:0;color:var(--ink-soft);font-size:14px}.board__bar select{flex:1;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:#fffdf7;font-size:14px;cursor:pointer}.toolbar{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.toolbar .btn{border-radius:12px}.toolbar .btn--primary{grid-column:1 / -1}.toolbar--board{display:flex;flex-wrap:wrap;flex:0 0 auto;width:var(--sq)}.toolbar--board .btn{flex:1 1 0;min-width:92px;padding-inline:12px;white-space:nowrap}.toolbar--board .btn[aria-busy=true]{cursor:wait;opacity:.85;animation:goy-hint-pulse 1.1s ease-in-out infinite}@keyframes goy-hint-pulse{50%{opacity:.55}}.score-bar{display:flex;flex-direction:column;gap:8px;width:var(--sq);flex:0 0 auto;margin-top:0;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.score-bar[hidden]{display:none!important}.score-bar__hint{margin:0;font-size:13px;line-height:1.55;color:var(--ink-soft)}.score-bar__actions{display:flex;flex-wrap:wrap;gap:8px}.score-bar__actions .btn{flex:1 1 0;min-width:120px}.toolbar .btn{display:inline-flex;align-items:center;justify-content:center;gap:7px}.toolbar .btn svg{width:16px;height:16px;flex:0 0 auto;opacity:.85}.toolbar .btn--primary svg{opacity:1}.btn{min-height:38px;padding:7px 16px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font-size:14px;cursor:pointer;transition:transform .16s ease,background .16s ease,box-shadow .16s ease,border-color .16s ease}.btn:hover{transform:translateY(-1px);background:var(--surface-2)}.btn:active{transform:translateY(0)}.btn--primary{border-color:transparent;background:linear-gradient(135deg,#a35a1f,var(--brown-deep));color:#fdf3e3;box-shadow:0 8px 20px #6b340e4d}.btn--primary:hover{background:linear-gradient(135deg,#b3661f,#7a3a0d)}.btn--lg{min-height:44px;padding:10px 26px;font-size:15px}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);padding:15px}.card h3{margin:0 0 12px;font-family:var(--serif);font-size:17px;font-weight:700;letter-spacing:.03em;color:var(--brown-deep)}.stat-grid{margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.stat-item{display:flex;flex-direction:column;gap:2px;padding:9px 10px;border-radius:11px;background:var(--surface-2);border:1px solid var(--line-soft)}.stat-item dt{color:var(--ink-soft);font-size:13px}.stat-item dd{margin:0;font-size:18px;font-weight:700;color:var(--ink)}.move-list button{width:100%;min-height:32px;padding:5px 9px;border:1px solid var(--line-soft);border-radius:9px;background:var(--surface-2);color:var(--ink-soft);text-align:left;font-size:14px;cursor:default;display:inline-flex;align-items:center;gap:6px;transition:background .15s ease,color .15s ease}.move-list button .stone-dot{width:12px;height:12px;flex:0 0 auto}.move-list button:hover{background:#e9ddc2;color:var(--ink)}.move-list .active button{background:var(--brown);color:#fff5e6;border-color:var(--brown);font-weight:700}:root[data-theme=dark] .move-list .active button{background:var(--gold);border-color:var(--gold);color:#1a120c}.ad-rail{position:sticky;top:0;display:flex;justify-content:center;margin-left:14px}.ad-slot{width:var(--ad-w);height:600px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px 14px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius);background:#ffffff6b;color:var(--ink-soft);text-decoration:none;transition:background .18s,border-color .18s}.ad-slot:hover{background:#ffffffa6;border-color:var(--brown);color:var(--brown-deep)}.ad-slot__main{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;width:100%}.ad-slot__title{margin:0;font-family:var(--serif);font-size:20px;font-weight:700;line-height:1.35;color:var(--brown-deep)}.ad-slot__desc{margin:0;font-size:13px;line-height:1.6}.ad-slot__cta{flex-shrink:0;display:inline-block;margin-top:6px;padding:8px 14px;border-radius:999px;background:linear-gradient(135deg,#a35a1f,var(--brown-deep));color:#fdf3e3;font-size:13px;line-height:1.2;white-space:nowrap}.article{max-width:900px;margin:0 auto;padding:32px 28px}.article section+section{margin-top:30px}.article h2{margin:0 0 14px;font-family:var(--serif);font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--brown-deep)}.article p{color:var(--ink-soft)}.article--guide{max-width:820px;padding-block:42px 56px}.article--guide .article-header{max-width:none;margin-bottom:34px;padding:0 0 24px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none}.article--guide .article-header h1{font-size:clamp(27px,3.3vw,34px)}.article--guide .article-header>p{max-width:44em}.article--guide .article-body>section{margin-top:40px}.article--guide .article-body>section+section{margin-top:40px}.article--guide h2{margin-bottom:12px;font-size:clamp(20px,2.5vw,25px)}.article--guide h3{margin:0;color:var(--ink);font-size:16px}.article--guide p{max-width:66ch}:root[data-theme=dark] .article--guide .article-header{background:transparent;box-shadow:none}.guide-intro{max-width:60ch!important;margin:0;color:var(--ink)!important;font-size:18px;line-height:1.8}.guide-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin:24px 0 0;padding:0 0 20px;border-bottom:1px solid var(--line)}.guide-links a,.guide-actions a{color:var(--brown-deep);font-weight:700;text-decoration:none}.guide-links a:hover,.guide-actions a:hover{text-decoration:underline}.piece-reference{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:18px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.piece-reference article{display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;min-height:104px;padding:16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.piece-reference__glyph{display:grid;place-items:center;width:36px;height:36px;color:var(--brown-deep);font:30px/1 Segoe UI Symbol,Apple Symbols,"Noto Sans Symbols 2",sans-serif}.piece-reference p,.rule-notes p,.thinking-list p{margin:5px 0 0;font-size:14px;line-height:1.65}.plain-steps{margin:16px 0;padding-left:22px;color:var(--ink-soft)}.plain-steps li+li{margin-top:8px}.plain-steps strong{color:var(--ink)}.rule-notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:18px;border:1px solid var(--line)}.rule-notes article{padding:18px}.rule-notes article+article{border-left:1px solid var(--line)}.guide-actions{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:18px}.thinking-list{display:grid;gap:0;margin:18px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}.thinking-list li{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}.thinking-list li>span{color:var(--brown-deep);font-weight:700}.thinking-list strong{color:var(--ink)}.practice-strip{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:18px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--ink-soft);font-size:14px}.practice-strip span:before{content:"\2014";margin-right:7px;color:var(--brown)}.guide-list{padding-left:22px;color:var(--ink-soft)}.guide-list li{margin:9px 0}.guide-list strong{color:var(--brown-deep)}.article-body code{padding:1px 6px;border-radius:6px;background:var(--surface-2);color:var(--brown-deep);font-size:.92em}.article-toc{margin:24px 0 30px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2)}.article-toc strong{color:var(--brown-deep)}.article-toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 28px;margin:11px 0 0;padding-left:24px}.article-toc li{padding-left:4px}.article-toc a{color:var(--jade-deep);text-decoration:none}.article-toc a:hover{color:var(--brown);text-decoration:underline}.score-table-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.score-table{width:100%;min-width:520px;border-collapse:collapse;text-align:left;color:var(--ink-soft)}.score-table caption{padding:14px 16px 8px;color:var(--brown-deep);font-weight:700;text-align:left}.score-table th,.score-table td{padding:11px 16px;border-top:1px solid var(--line)}.score-table thead th{color:var(--brown-deep);background:var(--surface-2)}.score-table tbody th{color:var(--brown-deep);font-weight:600}.practice-checklist{margin:24px 0;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.practice-checklist h3{margin:0 0 12px;color:var(--brown-deep);font-family:var(--serif);font-size:21px}.practice-checklist ol{margin:0 0 16px;padding-left:22px;color:var(--ink-soft)}.practice-checklist li+li{margin-top:10px}.practice-checklist a{color:var(--jade-deep);font-weight:700}.practice-checklist__cta{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:46px;padding:10px 16px;border:1px solid color-mix(in srgb,var(--jade-deep) 35%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--jade) 12%,var(--surface));color:var(--jade-deep);font-weight:700;text-decoration:none;text-align:center}.practice-checklist__cta:hover{background:color-mix(in srgb,var(--jade) 18%,var(--surface));color:var(--brown-deep)}.tips-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;color:var(--brown-deep)}.tips-flow__step{position:relative;display:flex;flex-direction:column;gap:4px;min-height:72px;padding:12px 10px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2);text-align:center}.tips-flow__step strong{font-size:15px;line-height:1.3}.tips-flow__step span{color:var(--ink-soft);font-size:13px;line-height:1.4}.tips-flow__step--last{background:color-mix(in srgb,var(--jade) 10%,var(--surface));border-color:color-mix(in srgb,var(--jade-deep) 28%,var(--line))}.tips-flow__step:not(:last-child):after{content:"\2192";position:absolute;top:50%;right:-12px;transform:translateY(-50%);color:var(--brown);font-size:14px;font-weight:700;pointer-events:none}.tips-eyes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.tips-eyes__panel{display:flex;flex-direction:column;align-items:center;gap:10px}.tips-eyes__label{margin:0;color:var(--brown-deep);font-size:14px;font-weight:700;text-align:center}.tips-eyes__panel svg{display:block;width:min(100%,180px);height:auto}.article-figure{max-width:720px;margin:22px auto;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.article-figure svg,.article-figure img{display:block;width:100%;height:auto;color:var(--brown-deep)}.article-figure figcaption{margin-top:10px;color:var(--ink-soft);font-size:13px;line-height:1.55;text-align:center}.article-figure--wide{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--scroll-thumb) var(--scroll-track)}.article-figure--wide svg{width:auto;min-width:100%;max-width:none}.article-note{margin:22px 0;padding:16px 18px;border-left:4px solid var(--jade);border-radius:0 var(--radius) var(--radius) 0;background:var(--surface-2)}.article-note strong{color:var(--brown-deep)}.article-note p{margin:7px 0 0}details{margin-top:10px;padding:12px 14px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}summary{cursor:pointer;color:var(--brown-deep);font-weight:700}details p{margin:8px 0 0}.license-notice pre{overflow-x:auto;margin:14px 0 0;padding:14px;border-radius:10px;background:var(--surface-2);color:var(--ink-soft);font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;white-space:pre-wrap}.select{position:relative;width:100%}.select__trigger{width:100%;display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--line);border-radius:12px;background:linear-gradient(150deg,#fffdf7,#f6efdd);color:var(--ink);cursor:pointer;text-align:left;transition:border-color .16s,box-shadow .16s}.select__trigger:hover{border-color:var(--brown)}.select.open .select__trigger{border-color:var(--brown);box-shadow:0 0 0 3px #8b451324}.select__dot{flex:0 0 auto;width:10px;height:10px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 3px #3a6b4f2e}.select__dot.lv2{background:var(--gold);box-shadow:0 0 0 3px #b8860b2e}.select__dot.lv3{background:var(--brown);box-shadow:0 0 0 3px #8b45132e}.select__dot.lv4{background:#1c1917;box-shadow:0 0 0 3px #1c191738}.select__labels{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;line-height:1.25}.select__title{font-size:14px;font-weight:500}.select__sub{font-size:12px;color:var(--ink-soft)}.select__chev{flex:0 0 auto;color:var(--ink-soft);transition:transform .2s}.select.open .select__chev{transform:rotate(180deg)}.select__menu{position:absolute;z-index:20;top:calc(100% + 6px);left:0;right:0;padding:6px;border:1px solid var(--line);border-radius:13px;background:var(--surface);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:3px}.select__menu[hidden]{display:none}.select__opt{display:flex;align-items:center;gap:10px;padding:9px 10px;border:none;border-radius:9px;background:transparent;cursor:pointer;text-align:left;transition:background .14s}.select__opt:hover{background:var(--surface-2)}.select__opt.active{background:#8b45131a}.select__opt .select__title{color:var(--ink)}.online{max-width:860px;width:100%;min-width:0;margin:0 auto;padding:32px 24px}.online__head{text-align:center;margin-bottom:26px}.online__head h1{margin:0 0 6px;font-family:var(--serif);font-size:clamp(24px,3.4vw,32px);font-weight:700;color:var(--brown-deep)}.online__lead{margin:0;max-width:none;width:100%;color:var(--ink-soft);font-size:15px;line-height:1.65}.online__head h2{margin:0 0 8px;font-family:var(--serif);font-size:clamp(16px,2vw,19px);font-weight:600;color:var(--ink-soft)}.online__head p{margin:0;color:var(--ink-soft)}.online__grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;min-width:0}.room-card{display:flex;flex-direction:column;gap:12px;min-width:0}.room-card p{margin:0;color:var(--ink-soft);font-size:14px}.room-card .size-switch{justify-content:stretch;width:100%}.room-card .size-switch__btn{flex:1 1 0;min-width:0;text-align:center}.room-input{padding:11px 14px;border:1px solid var(--line);border-radius:12px;background:#fffdf7;font-size:16px;letter-spacing:.02em;text-align:center}.online__hint{margin:0;min-height:1.2em;font-size:13px;color:var(--gold)}.room-code{font-family:var(--serif);font-size:30px;font-weight:700;letter-spacing:.16em;text-align:center;color:var(--brown-deep);padding:10px;border-radius:12px;background:var(--surface-2);border:1px dashed var(--line)}.online__note{margin-top:20px;padding:14px 16px;border-radius:12px;background:#3a6b4f1a;border:1px solid rgba(58,107,79,.24);color:var(--jade-deep);font-size:14px}.state-tabs{max-width:720px;margin:18px auto 0;display:flex;flex-wrap:wrap;gap:6px;padding:8px;border:1px dashed var(--line);border-radius:12px;background:#ffffff59}.state-tabs__label{flex:0 0 100%;font-size:12px;color:var(--ink-soft);margin-bottom:2px}.state-tabs button{padding:5px 11px;border:1px solid var(--line-soft);border-radius:999px;background:var(--surface);color:var(--ink-soft);font-size:12px;cursor:pointer}.state-tabs button.active{background:var(--brown);color:#fff5e6;border-color:var(--brown)}.conn{max-width:560px;width:100%;min-width:0;margin:0 auto;padding:40px 24px;text-align:center}.conn__spinner{width:54px;height:54px;margin:0 auto 20px;border-radius:50%;border:4px solid rgba(139,69,19,.18);border-top-color:var(--brown);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.conn__ring{width:64px;height:64px;margin:0 auto 18px;display:grid;place-items:center;border-radius:50%;background:#3a6b4f1f;color:var(--jade-deep)}.conn__ring.warn{background:#b8860b24;color:var(--gold)}.conn__ring.err{background:#9628141f;color:#9c3320}.conn h2{margin:0 0 8px;font-family:var(--serif);font-size:26px;font-weight:700;color:var(--brown-deep)}.conn p{margin:0 0 20px;color:var(--ink-soft)}.conn__actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.seg{display:inline-flex;flex-wrap:wrap;gap:4px;padding:4px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line-soft);max-width:100%}.seg--full{display:flex;width:100%;min-width:0}.seg--full .seg__btn{flex:1 1 0;min-width:0;white-space:nowrap}.seg__btn{padding:7px 16px;border:none;border-radius:999px;background:transparent;color:var(--ink-soft);font-size:14px;font-weight:500;cursor:pointer;transition:background .16s,color .16s;white-space:nowrap}.seg__btn:hover{color:var(--ink)}.seg__btn.active{background:linear-gradient(135deg,#a35a1f,var(--brown-deep));color:#fdf3e3;box-shadow:0 4px 12px #6b340e3d}.seg__btn.active.jade{background:linear-gradient(135deg,var(--jade),var(--jade-deep))}.opt-row{display:flex;flex-direction:column;gap:8px;text-align:left}.opt-row>span{font-size:13px;color:var(--ink-soft)}.invite{display:flex;flex-direction:column;gap:10px;margin:4px 0 20px;text-align:left}.invite__label{font-size:13px;color:var(--ink-soft);margin-bottom:4px}.invite-row{display:flex;gap:8px}.invite-row input{flex:1 1 auto;min-width:0;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fffdf7;font-size:14px;color:var(--ink)}.invite-row .btn{flex:0 0 auto}.copied{font-size:12px;color:var(--jade-deep)}.site-footer{margin-top:8px;background:linear-gradient(180deg,var(--surface) 0%,var(--surface-2) 100%);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.site-footer__inner{max-width:1120px;margin:0 auto;padding:44px 32px 32px;display:grid;grid-template-columns:1.6fr 1.2fr 1fr;gap:32px}.footer-col h2,.footer-col h4,.footer-heading{margin:0 0 14px;font-family:var(--serif);font-size:15px;color:var(--brown-deep);letter-spacing:.02em}.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.footer-col a{color:var(--ink-soft);text-decoration:none;font-size:14px;transition:color .15s}.footer-col a:hover{color:var(--brown)}.footer-col--brand .brand{margin-bottom:14px}.footer-col--brand .brand__name{font-size:17px}.footer-about{margin:0 0 18px;color:var(--ink-soft);font-size:13px;line-height:1.7;max-width:34ch}.lang{position:relative;display:inline-block}.lang__trigger{display:inline-flex;align-items:center;gap:9px;padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font-size:14px;cursor:pointer;transition:border-color .16s,box-shadow .16s}.lang__trigger:hover{border-color:var(--brown)}.lang__trigger.open{border-color:var(--brown);box-shadow:0 0 0 3px #8b451324}.lang__globe{color:var(--brown)}.lang__caret{color:var(--ink-soft);transition:transform .18s}.lang__trigger.open .lang__caret{transform:rotate(180deg)}.lang__menu{position:absolute;left:0;bottom:calc(100% + 10px);min-width:190px;margin:0;padding:6px;list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);z-index:20;transform-origin:bottom left;animation:langPop .16s ease}@keyframes langPop{0%{opacity:0;transform:translateY(8px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.lang__opt{display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;border:none;border-radius:9px;background:transparent;color:var(--ink);font:inherit;font-size:14px;text-align:left;text-decoration:none;box-sizing:border-box;cursor:pointer;transition:background .14s}.lang__opt:hover{background:var(--surface-2)}.lang__opt.active{background:#8b45131a;color:var(--brown-deep);font-weight:600}.lang__check{margin-left:auto;color:var(--brown)}.lang__opt:not(.active) .lang__check{visibility:hidden}.site-footer__bar{border-top:1px solid var(--line-soft);max-width:1120px;margin:0 auto;padding:18px 32px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-soft)}@media(max-width:900px){.site-footer__inner{grid-template-columns:1fr 1fr;gap:28px;padding:36px 24px 28px}.footer-col--brand{grid-column:1 / -1}.site-footer__bar{padding:16px 24px}}@media(max-width:560px){.site-footer__inner{grid-template-columns:1fr}}.lobby{max-width:720px;width:100%;min-width:0;margin:0 auto}.lobby__bar{display:flex;flex-direction:column;align-items:stretch;gap:12px;margin-bottom:16px}.lobby__bar-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.lobby__bar h3{margin:0;font-family:var(--serif);font-size:18px;color:var(--brown-deep);min-width:0}.lobby__filter{display:flex;flex-wrap:wrap;gap:4px;min-width:0}.lobby__filter button{padding:5px 12px;border:1px solid var(--line-soft);border-radius:999px;background:var(--surface);color:var(--ink-soft);font-size:13px;cursor:pointer}.lobby__filter button.active{background:var(--brown);color:#fff5e6;border-color:var(--brown)}.room-list{display:flex;flex-direction:column;gap:10px}.room-item{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px 14px;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:0 6px 18px #5a3c1914}.room-item__ava{flex:0 0 auto;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-family:var(--serif);font-size:18px;color:#fdf3e3;background:linear-gradient(135deg,var(--jade),var(--jade-deep))}.room-item__body{min-width:0}.room-item__name{font-weight:600;color:var(--ink)}.room-item__tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.room-item__actions{display:flex;flex-direction:column;gap:6px;justify-self:end;min-width:88px}.room-item__actions .btn{width:100%;white-space:nowrap}.room-item__close{font-size:13px}.room-tag{padding:2px 9px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line-soft);font-size:12px;color:var(--ink-soft)}.room-tag.waiting{color:var(--gold);border-color:#b8860b47;background:#b8860b1a}.lobby__empty{padding:40px 20px;text-align:center;color:var(--ink-soft);border:1px dashed var(--line);border-radius:var(--radius);background:#ffffff59}.lobby-block{margin-top:8px}.lobby-block+.lobby-block{margin-top:28px}.lobby-block h3{margin:0 0 10px;font-family:var(--serif);font-size:17px;color:var(--brown-deep)}.lobby-block__note{margin:0 0 12px;font-size:13px;color:var(--ink-soft)}.room-item--mine{border-color:#3a6b4f59;background:linear-gradient(158deg,var(--surface),rgba(58,107,79,.08))}.room-item--busy{box-shadow:none;background:var(--surface-2);opacity:.92}.room-item--busy .status-chip{flex-shrink:0;white-space:nowrap}@media(max-width:560px){.room-item{grid-template-columns:auto minmax(0,1fr)}.room-item__actions{grid-column:1 / -1;width:100%}.room-item--busy .status-chip{grid-column:1 / -1;justify-self:start}}.status-chip{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;font-size:13px;font-weight:500}.status-chip .dot{width:8px;height:8px;border-radius:50%}.status-chip.online{background:#3a6b4f24;color:var(--jade-deep)}.status-chip.online .dot{background:var(--jade);box-shadow:0 0 0 3px #3a6b4f2e}.status-chip.waiting{background:#b8860b24;color:var(--gold)}.status-chip.waiting .dot{background:var(--gold);animation:pulse 1.2s ease-in-out infinite}.status-chip.offline{background:#5a4a381f;color:var(--ink-soft)}.status-chip.offline .dot{background:var(--ink-soft)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.players{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:20px;margin:8px 0 22px}.player{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);min-width:0;flex:1 1 120px}.player.you{box-shadow:0 0 0 2px #8b451340}.avatar{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-size:22px;border:2px solid var(--line)}.avatar.black{background:radial-gradient(circle at 35% 30%,#5a5148,#14100a);color:#fff}.avatar.white{background:radial-gradient(circle at 35% 30%,#fff,#d8ccb4);color:#2b2118}.avatar.ghost{background:var(--surface-2);color:var(--ink-soft);border-style:dashed}.player__name{font-weight:600;font-size:15px;color:var(--ink)}.player__meta{font-size:12px;color:var(--ink-soft)}.vs{font-family:var(--serif);font-size:20px;color:var(--brown-deep);font-weight:700}.turn-flag{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:11px;background:var(--surface-2);border:1px solid var(--line-soft);font-size:14px;color:var(--ink)}.turn-flag .dot{width:12px;height:12px;border-radius:50%}.turn-flag .dot.black{background:#14100a}.turn-flag .dot.white{background:#f0e9dc;border:1px solid var(--line)}.below{padding:56px 32px 64px;border-top:1px solid var(--line-soft);background:linear-gradient(180deg,rgba(255,255,255,.3),transparent 240px)}.below__inner{max-width:1040px;margin:0 auto}.below__lead{text-align:center;max-width:680px;margin:0 auto 48px}.below__title{margin:0 0 12px;font-family:var(--serif);font-size:clamp(26px,4vw,40px);font-weight:700;line-height:1.2;color:var(--brown-deep)}.below__intro{margin:0;font-size:16px;color:var(--ink-soft)}.below__resource-links{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:20px}.below__resource-link{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--brown-deep);font-size:14px;font-weight:500;text-decoration:none;transition:background .18s,border-color .18s}.below__resource-link:hover{background:var(--surface-2);border-color:var(--line-soft)}.below__resource-link svg{width:18px;height:18px;flex:0 0 auto}.beginner-guide{max-width:860px;margin:0 auto 56px;padding:30px 34px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow)}.beginner-guide__body h3{margin:0 0 12px;font-family:var(--serif);font-size:clamp(21px,2.6vw,27px);color:var(--brown-deep)}.beginner-guide__body p{margin:0 0 10px;color:var(--ink-soft)}.beginner-guide__link{display:inline-block;margin-top:5px;color:var(--jade-deep);font-weight:700}.beginner-guide__link:hover{color:var(--brown)}.feature{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:56px}.feature:last-of-type{margin-bottom:0}.feature.reverse .feature__media{order:2}.feature__media{aspect-ratio:4 / 3;border-radius:var(--radius-lg);overflow:hidden;background:var(--surface-2);box-shadow:var(--shadow);border:1px solid var(--line)}.feature__media img{width:100%;height:100%;object-fit:cover;display:block}.feature__body h3{margin:0 0 14px;font-family:var(--serif);font-size:clamp(20px,2.6vw,27px);font-weight:700;color:var(--brown-deep)}.feature__body p{margin:0 0 14px;color:var(--ink-soft)}.feature__tags{display:flex;flex-wrap:wrap;gap:8px}.feature__tags span{padding:5px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--brown-deep)}.below__stats{margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.below__stat{margin:0;text-align:center;padding:22px 12px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}.below__stat strong{display:block;margin:0;font-family:var(--serif);font-size:32px;color:var(--jade-deep)}.below__stat span{font-size:14px;color:var(--ink-soft);font-weight:400}.chess-home{padding:64px 32px 72px;border-top:1px solid var(--line-soft);background:radial-gradient(circle at 88% 9%,rgba(184,134,11,.1),transparent 23rem),linear-gradient(180deg,rgba(255,255,255,.34),transparent 300px)}.chess-home__inner{max-width:1040px;margin:0 auto}.chess-home__intro{max-width:760px;margin:0 auto 42px;text-align:center}.chess-home__eyebrow{margin:0 0 8px;color:var(--jade-deep);font-size:12px;font-weight:700;letter-spacing:.12em}.chess-home__intro h2,.chess-home__practice h3,.chess-home__routes h3{margin:0;font-family:var(--serif);font-weight:700;color:var(--brown-deep)}.chess-home__intro h2{font-size:clamp(27px,4vw,42px);line-height:1.2}.chess-home__intro>p:last-child{margin:15px 0 0;color:var(--ink-soft);font-size:16px}.chess-home__situations{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-bottom:56px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--line);box-shadow:var(--shadow)}.chess-home__situation{min-height:230px;padding:27px 25px 24px;background:var(--surface)}.chess-home__situation>span{display:block;margin-bottom:28px;color:var(--gold);font:700 13px/1 var(--serif);letter-spacing:.13em}.chess-home__situation h3{margin:0 0 10px;color:var(--brown-deep);font-family:var(--serif);font-size:20px;line-height:1.35}.chess-home__situation p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.75}.chess-home__practice{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(260px,.85fr);gap:34px;align-items:center;margin-bottom:56px;padding:34px;border:1px solid var(--line);border-left:5px solid var(--gold);border-radius:0 var(--radius-lg) var(--radius-lg) 0;background:linear-gradient(120deg,var(--surface),var(--surface-2))}.chess-home__practice h3,.chess-home__routes h3{font-size:clamp(22px,2.8vw,30px);line-height:1.28}.chess-home__practice ol{margin:18px 0 16px;padding:0;list-style:none;counter-reset:chess-practice}.chess-home__practice li{position:relative;margin:10px 0;padding-left:31px;color:var(--ink-soft)}.chess-home__practice li:before{counter-increment:chess-practice;content:counter(chess-practice);position:absolute;top:3px;left:0;width:20px;height:20px;border-radius:50%;background:var(--jade-deep);color:#f7f4e9;font-size:12px;font-weight:700;line-height:20px;text-align:center}.chess-home__practice strong{color:var(--brown-deep)}.chess-home__practice-copy>p:last-child{margin:0;color:var(--ink-soft)}.chess-home__figure{margin:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--linen);box-shadow:0 10px 25px #5a3c1924}.chess-home__figure img{width:100%;height:auto}.chess-home__figure figcaption{padding:10px 13px;color:var(--ink-soft);font-size:13px;text-align:center}.chess-home__routes{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:30px;align-items:end;padding-top:8px}.chess-home__routes nav{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.chess-home__routes a{display:flex;flex-direction:column;justify-content:space-between;min-height:114px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);font-size:14px;font-weight:600;line-height:1.55;box-shadow:0 7px 18px #5a3c1914;transition:transform .16s ease,border-color .16s ease,background .16s ease}.chess-home__routes a:hover{transform:translateY(-2px);border-color:var(--gold);background:var(--surface-2);color:var(--brown-deep)}.chess-home__routes a span{display:block;margin-top:10px;color:var(--jade-deep);font-size:18px}.chess-home__about,.chess-home__check,.chess-home__rules{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(260px,.85fr);gap:34px;align-items:center}.chess-home__about{margin-bottom:56px}.chess-home__about h2,.chess-home__howto h2,.chess-home__pieces h2,.chess-home__check h2,.chess-home__rules h2,.chess-home__faq h2{margin:0;font-family:var(--serif);font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;color:var(--brown-deep)}.chess-home__about p,.chess-home__check p,.chess-home__rules p{margin:12px 0 0;color:var(--ink-soft)}.chess-home__rules{margin-bottom:56px}.chess-home__rules .chess-home__figure{border:none}.chess-home__rules ul{margin:16px 0;padding-left:22px;color:var(--ink-soft)}.chess-home__rules li{margin:10px 0;line-height:1.7}.chess-home__rules strong{color:var(--brown-deep)}.chess-home__rules a{color:var(--jade-deep);font-weight:700}.chess-home__rules a:hover{color:var(--brown)}.chess-home__howto{margin-bottom:56px}.chess-home__howto ol{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin:22px 0 0;padding:0;list-style:none;counter-reset:chess-step}.chess-home__howto li{position:relative;min-height:128px;padding:38px 14px 14px;border:1px solid var(--line-soft);border-radius:12px;background:var(--surface);color:var(--ink-soft);font-size:14px;line-height:1.65}.chess-home__howto li:before{counter-increment:chess-step;content:"0" counter(chess-step);position:absolute;top:14px;left:14px;color:var(--gold);font:700 13px/1 var(--serif);letter-spacing:.08em}.chess-home__howto strong,.chess-home__piece-grid h3{color:var(--brown-deep)}.chess-home__pieces{margin-bottom:56px}.chess-home__section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.chess-home__section-head a{flex:0 0 auto;color:var(--jade-deep);font-size:14px;font-weight:700}.chess-home__section-head a span{margin-left:4px}.chess-home__piece-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--line);gap:1px}.chess-home__piece-grid article{min-height:136px;padding:21px 20px;background:var(--surface)}.chess-home__piece-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}.chess-home__piece-glyph{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;border-radius:10px;background:linear-gradient(180deg,rgba(255,255,255,.12),transparent 55%),#b58863;color:#fbf3e0;font-size:30px;line-height:1;font-family:Segoe UI Symbol,Apple Symbols,"Noto Sans Symbols 2",Arial Unicode MS,sans-serif;text-shadow:0 1px 1px rgba(0,0,0,.28);box-shadow:inset 0 0 0 1px #5a32142e}.chess-home__piece-grid h3{margin:0;font-family:var(--serif);font-size:20px}.chess-home__piece-grid p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.65}.chess-home__check{margin-bottom:56px}.chess-home__check .chess-home__figure{border:none}.chess-home__check .chess-home__figure{order:2}.chess-home__records-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;align-items:stretch;margin:0 0 56px}.chess-home__record-card{display:flex;flex-direction:column;min-height:0;padding:22px 24px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);box-shadow:0 4px 18px #5a3c190d}.chess-home__record-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.chess-home__record-head h3{margin:0;font-family:var(--serif);font-size:20px;font-weight:700;color:var(--brown-deep);line-height:1.3}.chess-home__record-meta{display:flex;align-items:center;gap:8px}.chess-home__record-hint{display:inline-block;font-size:12px;color:var(--ink-soft);background:var(--surface-2);border:1px solid var(--line-soft);padding:3px 9px;border-radius:999px;white-space:nowrap}.chess-home__record-clear{appearance:none;background:none;border:none;color:var(--ink-soft);font-size:12px;padding:2px 6px;cursor:pointer;text-decoration:underline;text-underline-offset:2px;transition:color .15s ease}.chess-home__record-clear:hover:not(:disabled){color:var(--brown-deep)}.chess-home__record-clear:disabled{opacity:.4;cursor:not-allowed}.chess-home__record-empty{flex:1;display:grid;place-items:center;min-height:110px;padding:24px 18px;border-radius:12px;background:var(--surface-2);border:1px dashed var(--line)}.chess-home__record-empty p{margin:0;color:var(--ink-soft);font-size:13.5px;line-height:1.6;text-align:center}.chess-home__history-list{list-style:none;margin:0;padding:0 4px 2px 0;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;min-height:0;max-height:280px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--scroll-thumb) transparent}.chess-home__history-list::-webkit-scrollbar{width:6px}.chess-home__history-list::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:999px}.chess-home__history-item{display:grid;grid-template-columns:26px auto 1fr auto;grid-template-rows:auto auto;align-items:center;column-gap:8px;row-gap:6px;padding:10px 12px;border-radius:10px;background:var(--surface-2);border:1px solid var(--line-soft);font-size:13px}.chess-home__history-item .hist-index{color:var(--ink-soft);font-size:11px;font-weight:600;text-align:center}.chess-home__history-item .hist-result{padding:2px 8px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}.chess-home__history-item.hist-win .hist-result{color:#1b5e20;background:#c8e6c9}.chess-home__history-item.hist-lose .hist-result{color:#b71c1c;background:#ffcdd2}.chess-home__history-item.hist-draw .hist-result{color:#e65100;background:#ffe0b2}.chess-home__history-item .hist-date{color:var(--ink-soft);font-size:11.5px}.chess-home__history-item .hist-moves{appearance:none;margin:0;padding:2px 9px;border:1px solid var(--line-soft);border-radius:999px;background:#8b451314;color:var(--brown-deep);font:inherit;font-size:11.5px;font-weight:600;white-space:nowrap;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.chess-home__history-item .hist-moves:hover{background:#8b451324;border-color:var(--line)}.chess-home__history-item .hist-moves[aria-expanded=true]{background:color-mix(in srgb,var(--jade) 16%,var(--surface));border-color:color-mix(in srgb,var(--jade) 35%,var(--line));color:var(--jade-deep)}.chess-home__history-item .hist-pgn{grid-column:1 / -1;padding:5px 8px;border-radius:6px;background:#00000009;color:var(--ink-soft);font:11.5px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chess-home__history-item .hist-pgn.is-open{white-space:normal;overflow:visible;text-overflow:unset;line-height:1.55;max-height:140px;overflow-y:auto;overscroll-behavior:contain}.chess-home__analysis-list{display:flex;flex-direction:column;gap:10px}.chess-home__analysis-item{padding:12px 14px;border-radius:10px;background:var(--surface-2);border:1px solid var(--line-soft);border-left:3px solid var(--wood-deep)}.chess-home__analysis-item.tone-1{border-left-color:#2c5f8a}.chess-home__analysis-item.tone-2{border-left-color:#c87a2a}.chess-home__analysis-item.tone-3{border-left-color:#2c8a54}.chess-home__analysis-item h4{margin:0 0 4px;font-family:var(--serif);font-size:14px;font-weight:700;color:var(--brown-deep)}.chess-home__analysis-item p{margin:0;color:var(--ink);font-size:13px;line-height:1.6}:root[data-theme=dark] .chess-home__record-card{background:var(--surface);border-color:var(--line);box-shadow:0 6px 22px #00000047}:root[data-theme=dark] .chess-home__record-empty{background:var(--surface-2);border-color:var(--line-soft)}:root[data-theme=dark] .chess-home__history-item,:root[data-theme=dark] .chess-home__analysis-item{background:var(--surface-2);border-color:var(--line-soft)}:root[data-theme=dark] .chess-home__history-item.hist-win .hist-result{color:#a5d6a7;background:#2e7d3238}:root[data-theme=dark] .chess-home__history-item.hist-lose .hist-result{color:#ef9a9a;background:#c6282838}:root[data-theme=dark] .chess-home__history-item.hist-draw .hist-result{color:#ffcc80;background:#e6510038}:root[data-theme=dark] .chess-home__history-item .hist-moves{background:#ffffff0f;border-color:var(--line-soft);color:var(--ink)}:root[data-theme=dark] .chess-home__history-item .hist-moves:hover{background:#ffffff1a}:root[data-theme=dark] .chess-home__history-item .hist-moves[aria-expanded=true]{background:#5a9b7633;border-color:#5a9b7666;color:#9dceb0}:root[data-theme=dark] .chess-home__history-item .hist-pgn{background:#0003}:root[data-theme=dark] .chess-home__analysis-item.tone-1{border-left-color:#5c9fd6}:root[data-theme=dark] .chess-home__analysis-item.tone-2{border-left-color:#e59d48}:root[data-theme=dark] .chess-home__analysis-item.tone-3{border-left-color:#5dbb82}:root[data-theme=dark] .chess-home__analysis-item p{color:var(--ink-soft)}.chess-home__faq{max-width:860px;margin:0 auto}.chess-home__faq>h2{margin-bottom:18px}.chess-home__faq>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.chess-home__faq details{margin:0;padding:15px 16px;border:0}.chess-home__faq summary{font-size:15px}.chess-home__faq details p{color:var(--ink-soft);font-size:14px;line-height:1.7}@media(max-width:900px){.online{padding:24px 16px}.online__grid{grid-template-columns:1fr}.feature{grid-template-columns:1fr;gap:20px;margin-bottom:40px}.feature.reverse .feature__media{order:0}.below{padding:40px 18px 48px}.beginner-guide{padding:26px}.below__stats{grid-template-columns:repeat(2,1fr)}.chess-home{padding:48px 18px 56px}.chess-home__practice,.chess-home__routes,.chess-home__about,.chess-home__check,.chess-home__rules{grid-template-columns:1fr}.chess-home__records-grid{grid-template-columns:1fr;gap:16px;margin-bottom:40px}.chess-home__practice{gap:24px;padding:26px}.chess-home__routes nav{grid-template-columns:repeat(3,1fr)}.chess-home__howto ol{grid-template-columns:repeat(3,minmax(0,1fr))}.chess-home__check .chess-home__figure{order:0}.chess-home__faq>div{grid-template-columns:1fr}}@media(max-width:640px){.piece-reference,.rule-notes{grid-template-columns:1fr}.piece-reference article{min-height:0}.rule-notes article+article{border-top:1px solid var(--line);border-left:0}.chess-home__situations{grid-template-columns:1fr}.chess-home__situation{min-height:0;padding:23px 21px}.chess-home__situation>span{margin-bottom:14px}.chess-home__practice{padding:22px 19px}.chess-home__routes nav{grid-template-columns:1fr}.chess-home__routes a{min-height:0;flex-direction:row;align-items:center;gap:12px}.chess-home__routes a span{margin-top:0}.chess-home__about,.chess-home__howto,.chess-home__check,.chess-home__rules{margin-bottom:40px}.chess-home__record-card{padding:18px 16px}.chess-home__howto ol,.chess-home__piece-grid{grid-template-columns:1fr}.chess-home__howto li{min-height:0;padding-top:37px}.chess-home__section-head{align-items:flex-start;flex-direction:column}.chess-home__pieces{margin-bottom:40px}}.overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;padding:24px;background:#20120694;backdrop-filter:blur(5px);z-index:50}:root[data-theme=dark] .overlay{background:#000000b8;backdrop-filter:blur(8px)}.overlay[hidden]{display:none}.overlay__card{width:min(100%,360px);padding:28px 24px;border-radius:var(--radius-lg);border:1px solid var(--line);background:linear-gradient(160deg,var(--surface),var(--surface-2));box-shadow:var(--shadow);color:var(--ink);text-align:center}:root[data-theme=dark] .overlay__card{box-shadow:0 22px 56px #0000008c}.overlay__icon{margin:0 0 2px;display:flex;align-items:center;justify-content:center;gap:10px}.overlay__icon .stone-dot{width:28px;height:28px}.overlay__icon .stone-dot.white{border-color:#2b21186b}:root[data-theme=dark] .overlay__icon .stone-dot.white{border-color:#f0e7d68c}.overlay__title{margin:8px 0 4px;font-family:var(--serif);font-size:24px;font-weight:800;color:var(--brown-deep)}.overlay__detail{margin:0 0 18px;color:var(--ink-soft)}.overlay__actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:0 0 12px}.overlay__actions[hidden]{display:none}.overlay__actions--stack{flex-direction:column;align-items:stretch;margin-bottom:0}.overlay__actions--stack .btn{width:100%}.overlay--online-confirm{z-index:60}.btn--quiet{background:transparent;border-color:transparent;color:var(--ink-soft);box-shadow:none}.btn--quiet:hover{background:var(--surface-2);color:var(--ink)}@media(max-width:1360px){.play{--panel-w: 300px;grid-template-columns:minmax(0,1fr) var(--mid)}.ad-rail{display:none}.play--collapsed{grid-template-columns:minmax(0,1fr) 0px;padding-right:42px}}@media(max-width:900px){.app{flex-direction:column;height:100dvh}.sidebar{display:block;position:relative;z-index:40;flex:0 0 auto;width:100%;padding:calc(10px + env(safe-area-inset-top)) 14px 10px;border-right:none;background-image:none}:root[data-theme=dark] .sidebar{background-image:none;border-right:none}.sidebar__top{display:grid;grid-template-columns:42px minmax(0,1fr) 42px;align-items:center;column-gap:8px}.sidebar__top-spacer{display:block;width:42px;height:42px}.sidebar .brand,.sidebar .brand--chrome{grid-column:2;justify-self:center;flex:none;flex-direction:row;align-items:center;gap:10px;width:auto;max-width:100%;min-width:0;margin:0;padding:0;border-bottom:none}.sidebar .brand .brand__mark{width:36px;height:36px;padding:0;border-radius:9px;flex:0 0 auto}.sidebar .brand__name{font-family:var(--sans);font-size:16px;font-weight:800;letter-spacing:0;line-height:1.1;white-space:nowrap}.menu-toggle{display:inline-flex;grid-column:3;justify-self:end;flex:0 0 auto;flex-direction:column;gap:5px}.menu-toggle__bar{display:block;width:18px;height:2px;border-radius:1px;background:currentColor;transition:transform .28s cubic-bezier(.22,1,.36,1),opacity .28s cubic-bezier(.22,1,.36,1)}.sidebar.is-open .menu-toggle__bar:nth-child(1){transform:translateY(7px) rotate(45deg)}.sidebar.is-open .menu-toggle__bar:nth-child(2){opacity:0}.sidebar.is-open .menu-toggle__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.sidebar__panel{display:flex;position:absolute;left:0;right:0;top:100%;z-index:1;width:auto;flex:none;padding:8px 14px 14px;background:linear-gradient(165deg,#8b4513,#7a3a0d 55%,#5d2c08);border-top:1px solid rgba(255,244,224,.12);box-shadow:0 18px 32px #00000052;max-height:min(72dvh,calc(100dvh - 72px));overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--scroll-thumb) var(--scroll-track);overscroll-behavior:contain;visibility:hidden;opacity:0;transform:translateY(-10px) scale(.985);transform-origin:top center;pointer-events:none;transition:opacity .28s cubic-bezier(.22,1,.36,1),transform .28s cubic-bezier(.22,1,.36,1),visibility .28s}:root[data-theme=dark] .sidebar__panel{background:linear-gradient(165deg,#3a2410,#2c1a0a 55%,#1d1006)}.sidebar.is-open .sidebar__panel{visibility:visible;opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.nav{flex:0 0 auto}.sidebar__foot{display:flex}.nav-scrim{display:block;position:fixed;inset:0;z-index:30;margin:0;padding:0;border:0;background:#1c0e0475;touch-action:none;visibility:hidden;opacity:0;pointer-events:none;transition:opacity .28s cubic-bezier(.22,1,.36,1),visibility .28s}.nav-scrim.is-active{visibility:visible;opacity:1;pointer-events:auto}@media(prefers-reduced-motion:reduce){.sidebar__panel,.nav-scrim{transition:none;transform:none}}.content{flex:1 1 auto}.play{grid-template-columns:1fr;height:auto;padding:14px;gap:12px}.board{width:100%;max-width:100%;height:auto;container-type:normal;--sq: min(100%, calc(100vw - 28px) , calc(100dvh - 220px) )}.play--scoring:not(.play--spectating) .board{--sq: min(100%, calc(100vw - 28px) , calc(100dvh - 268px) )}.play--spectating [data-goy-spectate-leave=head]{display:inline-flex}.play-head{flex-direction:column;align-items:center;justify-content:center;gap:8px;width:100%;max-width:var(--sq);text-align:center}.play-title{width:100%;text-align:center}.play-head__meta{justify-content:center;width:100%}.head-live{justify-content:center}.board__stage{width:var(--sq);height:var(--sq)}.board__frame{width:100%;height:100%;overflow:hidden}.infobar{max-width:var(--sq)}.panel-toggle{display:none}.play.play--ready,.play.play--ready .panel{transition:none}.play--collapsed{grid-template-columns:1fr;padding-right:14px}.panel{height:auto;overflow:visible;margin-left:0}.card-history{flex:0 1 auto;min-height:0;overflow:hidden}.move-list{max-height:none}.play--collapsed .panel{opacity:1;pointer-events:auto;overflow:visible}}@media(max-width:560px){body{font-size:15px}.brand__name{font-size:17px}}.turn{background:linear-gradient(135deg,var(--brown),var(--brown-deep));color:#fff9ef;font-weight:700;box-shadow:0 4px 12px #49250a3d}:root[data-theme=dark] .board__bar select,:root[data-theme=dark] .room-input,:root[data-theme=dark] .invite-row input{background:var(--surface-2);color:var(--ink);border-color:var(--line)}:root[data-theme=dark] .select__trigger{background:linear-gradient(150deg,#403426,#30261c);color:var(--ink);border-color:#ebcea547}:root[data-theme=dark] input::placeholder{color:#c9b99f;opacity:1}:root[data-theme=dark] .ad-slot,:root[data-theme=dark] .state-tabs{background:#362b1fb8}:root[data-theme=dark] .move-list button:hover{background:#403426}:root[data-theme=dark] .content::-webkit-scrollbar,:root[data-theme=dark] .panel::-webkit-scrollbar,:root[data-theme=dark] .move-list::-webkit-scrollbar,:root[data-theme=dark] .article-figure--wide::-webkit-scrollbar,:root[data-theme=dark] .sidebar__panel::-webkit-scrollbar{width:8px;height:8px}:root[data-theme=dark] .content::-webkit-scrollbar-track,:root[data-theme=dark] .panel::-webkit-scrollbar-track,:root[data-theme=dark] .move-list::-webkit-scrollbar-track,:root[data-theme=dark] .article-figure--wide::-webkit-scrollbar-track,:root[data-theme=dark] .sidebar__panel::-webkit-scrollbar-track{background:var(--scroll-track);border-radius:999px}:root[data-theme=dark] .content::-webkit-scrollbar-thumb,:root[data-theme=dark] .panel::-webkit-scrollbar-thumb,:root[data-theme=dark] .move-list::-webkit-scrollbar-thumb,:root[data-theme=dark] .article-figure--wide::-webkit-scrollbar-thumb,:root[data-theme=dark] .sidebar__panel::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:999px;border:2px solid transparent;background-clip:padding-box}:root[data-theme=dark] .content::-webkit-scrollbar-thumb:hover,:root[data-theme=dark] .panel::-webkit-scrollbar-thumb:hover,:root[data-theme=dark] .move-list::-webkit-scrollbar-thumb:hover,:root[data-theme=dark] .article-figure--wide::-webkit-scrollbar-thumb:hover,:root[data-theme=dark] .sidebar__panel::-webkit-scrollbar-thumb:hover{background:#d08a4eb8;background-clip:padding-box}:root[data-theme=dark] .content::-webkit-scrollbar-corner,:root[data-theme=dark] .panel::-webkit-scrollbar-corner,:root[data-theme=dark] .move-list::-webkit-scrollbar-corner,:root[data-theme=dark] .article-figure--wide::-webkit-scrollbar-corner,:root[data-theme=dark] .sidebar__panel::-webkit-scrollbar-corner{background:transparent}.breadcrumb{display:flex;align-items:center;gap:9px;margin-bottom:24px;color:var(--ink-soft);font-size:13px}.breadcrumb a{color:var(--jade-deep);font-weight:700;text-decoration:none}.breadcrumb a:hover{color:var(--brown);text-decoration:underline;text-underline-offset:3px}.breadcrumb span[aria-current=page]{color:var(--ink-soft)}.article__head{max-width:700px;margin-bottom:34px;padding:24px 26px 26px;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:0 var(--radius) var(--radius) 0;background:linear-gradient(110deg,var(--surface),color-mix(in srgb,var(--surface-2) 68%,transparent));box-shadow:0 10px 24px #462c1214}.article__eyebrow{margin:0 0 7px;color:var(--jade-deep)!important;font-size:11px;font-weight:700;letter-spacing:.13em}.article__head h1,.article>h1{margin:0 0 12px;font-family:var(--serif);font-size:clamp(30px,4.3vw,42px);font-weight:900;line-height:1.18;color:var(--brown-deep)}.notfound-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:20px}.article__head>p:last-child{margin:10px 0 0;color:var(--ink-soft)}:root[data-theme=dark] .article__head{background:linear-gradient(110deg,var(--surface),#352a1f);box-shadow:0 10px 26px #0003}@media(max-width:560px){.article{padding:24px 18px 36px}.breadcrumb{margin-bottom:18px}.article__head{margin-bottom:28px;padding:20px 18px 21px}}.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin:0;padding:0;list-style:none}.breadcrumb ol li+li:before{content:"/";margin-right:9px;color:var(--ink-soft)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:36px;max-width:1120px;margin:0 auto;padding:32px 28px 48px}.article-layout .article{max-width:none;padding:0}.article-side{display:flex;flex-direction:column;gap:18px}.article-side section{padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.article-side h2{margin:0 0 10px;font-family:var(--serif);font-size:16px;color:var(--brown-deep)}.article-side ul{margin:0;padding-left:18px;color:var(--ink-soft)}.article-side li{margin:6px 0}.article-side p{margin:0;color:var(--ink-soft);font-size:14px}.meta-info{display:flex;flex-wrap:wrap;gap:10px 16px;margin-top:14px;color:var(--ink-soft);font-size:13px}.article-footer{margin-top:36px;padding-top:22px;border-top:1px solid var(--line-soft)}.article-tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:18px;color:var(--ink-soft);font-size:14px}.author-bio{display:flex;gap:14px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.author-bio img{border-radius:12px}.author-bio strong{display:block;color:var(--brown-deep)}.author-bio span{display:block;font-size:13px;color:var(--ink-soft)}.author-bio p{margin:6px 0 0;font-size:14px}.article-layout--solo{grid-template-columns:minmax(0,1fr);max-width:900px}@media(max-width:900px){.article-layout{grid-template-columns:1fr;padding:24px 18px 40px}.article-figure{margin-inline:0;padding:10px}.article-toc ol{grid-template-columns:1fr}}@media(max-width:640px){.article-layout{padding:18px 14px 32px}.article section+section{margin-top:26px}.article h2{font-size:clamp(20px,5.5vw,26px);line-height:1.28}.article p,.guide-list,.article-note p{font-size:15px;line-height:1.7}.article .intro{font-size:16px;line-height:1.75}.guide-list{padding-left:18px}.article-toc{margin:20px 0 24px;padding:14px 14px 16px}.article-toc ol{gap:8px;padding-left:18px}.article-toc a{display:inline-block;padding:2px 0;line-height:1.45}.article-figure{padding:10px 8px}.article-figure--wide svg{min-width:520px}.article-note{margin:18px 0;padding:14px;border-left-width:3px}.practice-checklist{margin:18px 0;padding:16px 14px}.practice-checklist h3{font-size:19px}.practice-checklist ol{padding-left:18px;font-size:15px;line-height:1.65}.practice-checklist__cta{min-height:48px;font-size:15px}.tips-flow{grid-template-columns:1fr;gap:12px}.tips-flow__step{min-height:0;padding:14px 12px;text-align:left}.tips-flow__step:not(:last-child):after{inset:auto auto -18px 50%;transform:translate(-50%) rotate(90deg)}.tips-eyes{grid-template-columns:1fr;gap:22px}.tips-eyes__panel svg{width:min(100%,220px)}.score-table-wrap{overflow-x:visible;margin:18px 0}.score-table{min-width:0;border-collapse:separate;border-spacing:0}.score-table caption{padding:12px 14px 10px;font-size:15px}.score-table thead{display:none}.score-table tbody tr{display:block;margin-bottom:10px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}.score-table tbody th{display:block;padding:10px 14px;border-top:0;background:var(--surface-2);font-size:14px}.score-table tbody td{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 14px;border-top:1px solid var(--line-soft);font-size:14px}.score-table tbody td:before{color:var(--brown-deep);font-weight:600;white-space:nowrap}.score-table tbody td:nth-child(2):before{content:"\9ed1\68cb"}.score-table tbody td:nth-child(3):before{content:"\767d\68cb"}details{padding:14px}summary{min-height:44px;display:flex;align-items:center;line-height:1.45;padding-right:8px}.article-tags{gap:10px;font-size:13px}.article-tags a{display:inline-flex;align-items:center;min-height:36px;padding:4px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}.author-bio{flex-direction:column;align-items:center;text-align:center;padding:16px 14px}.author-bio p{font-size:13px;line-height:1.65}.article-footer{margin-top:28px;padding-top:18px}}@media(max-width:560px){.article{padding:24px 18px 36px}.breadcrumb{margin-bottom:18px}.article__head{margin-bottom:24px;padding:18px 14px 19px;border-left-width:3px}.article__head h1,.article>h1{font-size:clamp(26px,7vw,34px)}}[data-chy-host]{width:100%;height:100%;min-height:0}