@font-face{font-family:Noto Serif TC;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/noto-serif-tc-chinese-traditional-600-normal-C_VIR2m3.woff2)format("woff2"),url(/assets/noto-serif-tc-chinese-traditional-600-normal-Ct9sBHR6.woff)format("woff")}:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#f4ead8;font-synthesis:none;--ink:#0b1118;--night:#111b25;--paper:#f4ead8;--muted:#a9a89f;--gold:#d5b779;--deep-gold:#a97d46;--green:#8ca999;--red:#bd6a5c;--line:#ead9b526;background:#0b1118;font-family:Noto Sans TC,PingFang TC,Microsoft JhengHei,system-ui,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at 12% 8%,#66917f24,#0000 28rem),radial-gradient(circle at 88% 18%,#ac3a311c,#0000 30rem),linear-gradient(145deg,#0b1118 0%,#111b25 55%,#0a1017 100%);min-width:320px;min-height:100vh;margin:0;overflow-x:hidden}button,select{font:inherit}button{color:inherit}button:focus-visible,select:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.app-shell{min-height:100vh}.topbar{z-index:20;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#080e14c7;justify-content:space-between;align-items:center;gap:18px;min-height:72px;padding:10px clamp(16px,4vw,56px);display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;min-width:0;display:flex}.brand-mark{aspect-ratio:1;width:44px;color:var(--gold);background:radial-gradient(circle,#d5b7791f,#0000 70%);border:1px solid #d5b77973;border-radius:50%;place-items:center;font-family:Noto Serif TC,serif;font-size:22px;display:grid;box-shadow:0 0 26px #d5b77914}.brand strong{letter-spacing:.16em;white-space:nowrap;font-family:Noto Serif TC,serif;font-size:19px;display:block}.brand small{color:var(--muted);letter-spacing:.16em;white-space:nowrap;margin-top:2px;font-size:9px;display:block}.engine-badge{border:1px solid var(--line);color:#d8c9ae;background:#ffffff09;border-radius:999px;align-items:center;gap:9px;max-width:280px;padding:8px 12px;font-size:11px;display:flex}.engine-dot{background:#92794e;border-radius:50%;flex:none;width:8px;height:8px;box-shadow:0 0 0 4px #d5b77914}.engine-badge.ready .engine-dot{background:#78b397;box-shadow:0 0 12px #78b397a6}.engine-badge.thinking .engine-dot{background:#d5b779;animation:1s infinite pulse}.engine-badge.error .engine-dot{background:#bd6a5c}@keyframes pulse{50%{opacity:.35;transform:scale(.7)}}.journey-strip{border-bottom:1px solid #d5b7791a;grid-template-columns:minmax(0,1.25fr) minmax(360px,.75fr);align-items:center;gap:28px;padding:clamp(26px,4.5vw,64px) clamp(16px,4vw,56px) clamp(20px,3vw,38px);display:grid}.eyebrow{color:var(--gold);letter-spacing:.2em;margin:0 0 10px;font-size:10px;font-weight:700}.journey-strip h1{letter-spacing:.13em;color:#ecdbba;text-shadow:0 10px 38px #0000006b;margin:0;font-family:Noto Serif TC,serif;font-size:clamp(31px,5vw,61px);font-weight:600}.journey-strip .lead{color:#b8b8ae;max-width:680px;margin:14px 0 0;font-size:clamp(13px,1.4vw,16px);line-height:1.85}.rule-note{background:linear-gradient(120deg,#842e272e,#caa45c0f);border:1px solid #d5b77929;border-radius:14px;padding:18px 20px;position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px #edcd8f0d,0 14px 36px #00000029}.rule-note:before{content:"五";color:#d5b77912;font-family:Noto Serif TC,serif;font-size:110px;position:absolute;top:-22px;right:12px}.rule-note strong{color:#e9d5ae;letter-spacing:.08em;font-family:Noto Serif TC,serif;font-size:16px;display:block}.rule-note p{color:#9fa6a2;margin:7px 0 0;font-size:12px;line-height:1.65;position:relative}.game-layout{grid-template-columns:minmax(230px,280px) minmax(460px,1fr) minmax(230px,300px);align-items:start;gap:clamp(14px,2vw,28px);max-width:1480px;margin:0 auto;padding:clamp(18px,3vw,40px) clamp(12px,3vw,42px) 48px;display:grid}.glass-card{border:1px solid var(--line);background:#ffffff06;border-radius:14px;box-shadow:inset 0 1px #ffffff06,0 20px 55px #0000001f}.side-panel{padding:16px}.section-title{justify-content:space-between;align-items:center;margin-bottom:13px;display:flex}.section-title h2{color:#ead9b8;letter-spacing:.08em;margin:0;font-family:Noto Serif TC,serif;font-size:16px}.section-title span{color:#777f7b;letter-spacing:.12em;font-size:9px}.opponent-list{gap:8px;display:grid}.opponent-card{text-align:left;cursor:pointer;background:#ffffff05;border:1px solid #0000;border-radius:11px;grid-template-columns:42px 1fr;align-items:center;gap:11px;width:100%;padding:10px;transition:all .2s;display:grid}.opponent-card:hover{background:#ffffff0a;transform:translateY(-1px)}.opponent-card[aria-pressed=true]{background:linear-gradient(120deg,#842e272e,#caa45c12);border-color:#d5b77952;box-shadow:inset 0 0 0 1px #edcd8f0f}.opponent-seal{aspect-ratio:1;border:1px solid color-mix(in srgb, var(--accent) 55%, transparent);width:42px;color:color-mix(in srgb, var(--accent) 70%, #f4ead8);background:radial-gradient(circle, color-mix(in srgb, var(--accent) 15%, transparent), transparent 70%);border-radius:50%;place-items:center;font-family:Noto Serif TC,serif;font-size:18px;display:grid}.opponent-card strong,.opponent-card small{display:block}.opponent-card strong{color:#dfd2ba;font-size:13px}.opponent-card small{color:#7f8883;letter-spacing:.06em;margin-top:3px;font-size:9px}.opponent-detail{border-top:1px solid #ead9b51a;margin:14px 2px 2px;padding-top:13px}.opponent-detail b{color:var(--gold);font-family:Noto Serif TC,serif;font-size:14px}.opponent-detail p{color:#929a96;margin:6px 0 0;font-size:11px;line-height:1.65}.settings{grid-template-columns:1fr 1fr;gap:8px;margin-top:15px;display:grid}.field label{color:#7f8883;letter-spacing:.08em;margin-bottom:5px;font-size:9px;display:block}.field select{color:#dfd3bd;background:#111b22;border:1px solid #ead9b529;border-radius:8px;width:100%;height:36px;padding:0 8px;font-size:11px}.board-column{min-width:0}.match-bar{justify-content:space-between;align-items:center;gap:12px;margin-bottom:11px;padding:10px 14px;display:flex}.turn-copy{min-width:0}.turn-copy small{color:#7f8883;letter-spacing:.12em;font-size:9px;display:block}.turn-copy strong{text-overflow:ellipsis;white-space:nowrap;color:#e8d8b8;margin-top:2px;font-family:Noto Serif TC,serif;font-size:15px;display:block;overflow:hidden}.stone-key{color:#8e9691;gap:10px;font-size:10px;display:flex}.stone-key span{align-items:center;gap:5px;display:inline-flex}.mini-stone{aspect-ratio:1;border-radius:50%;width:13px;box-shadow:0 2px 5px #0006}.mini-stone.black{background:radial-gradient(circle at 33% 28%,#565b5a,#171b1c 58%,#080a0b)}.mini-stone.white{background:radial-gradient(circle at 33% 28%,#fff8e7,#dfc99e 68%,#a97d4d)}.board-frame{background:linear-gradient(135deg,#d5b7791f,#3c271833);border:1px solid #d5b77938;border-radius:16px;width:min(100%,760px);margin-inline:auto;padding:clamp(8px,1.5vw,14px);position:relative;box-shadow:0 28px 80px #0000004d,inset 0 0 0 1px #ffffff06}.board-surface{aspect-ratio:1;background:radial-gradient(circle at 18% 13%,#fff6da29,#0000 30%),repeating-linear-gradient(8deg,#55301a09 0 1px,#0000 1px 8px),linear-gradient(135deg,#d7b87b,#b98850 62%,#986840);border-radius:9px;width:100%;position:relative;overflow:hidden;box-shadow:inset 0 0 28px #40221047}.board-surface:before{content:"";z-index:0;opacity:.72;background-image:linear-gradient(90deg,#462717ad 1px,#0000 1px),linear-gradient(#462717ad 1px,#0000 1px);background-position:0 0;background-size:7.14286% 7.14286%;position:absolute;inset:3.333%}.star{z-index:1;aspect-ratio:1;background:#412516d1;border-radius:50%;width:clamp(4px,.65vw,7px);position:absolute;transform:translate(-50%,-50%)}.board-grid{z-index:2;grid-template-rows:repeat(15,1fr);grid-template-columns:repeat(15,1fr);display:grid;position:absolute;inset:0}.intersection{cursor:pointer;background:0 0;border:0;min-width:0;min-height:0;padding:0;position:relative}.intersection:after{content:"";border-radius:50%;transition:background .14s,transform .14s;position:absolute;inset:13%}.intersection:not(:disabled):hover:after{background:#f8e7c23d;transform:scale(.76)}.intersection.forbidden:before{content:"×";z-index:4;color:#84261fb8;border-radius:50%;place-items:center;font-size:clamp(10px,1.7vw,18px);font-weight:900;display:grid;position:absolute;inset:17%}.stone{z-index:3;border-radius:50%;animation:.16s ease-out place;position:absolute;inset:9%;box-shadow:0 4px 8px #27160d7a,inset 0 1px #ffffff2e}.stone.black{background:radial-gradient(circle at 32% 25%,#606564 0 4%,#282d2d 28%,#101415 72%,#050707 100%);border:1px solid #000000bf}.stone.white{background:radial-gradient(circle at 32% 25%,#fffaf0 0 9%,#efe1c5 40%,#d5ba88 76%,#9c6f40 100%);border:1px solid #67412361}.stone.last:after{content:"";background:#c75545;border-radius:50%;position:absolute;inset:35%;box-shadow:0 0 0 2px #ffecc647}.stone.win{box-shadow:0 0 0 2px #f0d292,0 0 18px #f0d292bf,0 4px 8px #27160d7a}@keyframes place{0%{opacity:.3;transform:scale(.62)}}.board-thinking{z-index:8;pointer-events:none;opacity:0;background:#080e1414;place-items:center;transition:opacity .2s;display:grid;position:absolute;inset:0}.board-thinking.visible{opacity:1}.thinking-rune{aspect-ratio:1;color:#f0d397;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0b1118c2;border:1px solid #f4e2bc6b;border-radius:50%;place-items:center;width:56px;font-family:Noto Serif TC,serif;animation:2s linear infinite rotateRune;display:grid;box-shadow:0 0 35px #d5b7793d}@keyframes rotateRune{to{transform:rotate(360deg)}}.controls{grid-template-columns:1.4fr 1fr 1fr;gap:8px;margin-top:11px;display:grid}.control-btn{color:#c9c8be;cursor:pointer;background:#ffffff07;border:1px solid #ead9b526;border-radius:10px;min-height:42px;font-size:11px;transition:all .18s}.control-btn:hover:not(:disabled){background:#d5b77913;border-color:#d5b77952}.control-btn.primary{color:#f1dfbb;background:linear-gradient(120deg,#842e273d,#caa45c14);border-color:#d5b7794d}.control-btn:disabled{opacity:.38;cursor:not-allowed}.stats-grid{grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:14px;display:grid}.stat{text-align:center;background:#ffffff04;border:1px solid #ead9b517;border-radius:9px;padding:10px 5px}.stat strong{color:#dfc99f;font-family:Noto Serif TC,serif;font-size:19px;display:block}.stat small{color:#777f7b;letter-spacing:.08em;font-size:8px}.history{scrollbar-width:thin;max-height:352px;margin:0;padding:0;list-style:none;overflow:auto}.history li{color:#9ba29d;border-bottom:1px solid #ead9b50f;grid-template-columns:24px 18px 1fr;align-items:center;gap:7px;min-height:31px;font-size:10px;display:grid}.history li:last-child{color:#e4d3b3}.history .move-no{color:#626b67;text-align:right}.history .empty{text-align:center;color:#69716d;grid-template-columns:1fr;padding:26px 0}.quote{color:#a8aaa3;background:#d5b77909;border-left:2px solid #d5b77966;margin:16px 0 0;padding:13px 14px;font-family:Noto Serif TC,serif;font-size:11px;line-height:1.7}.license-link{color:#897b62;margin-top:14px;font-size:9px;text-decoration:none;display:block}.license-link:hover{color:var(--gold)}.toast{z-index:50;opacity:0;pointer-events:none;color:#ead8b7;background:#080e14f0;border:1px solid #d5b77940;border-radius:999px;max-width:calc(100vw - 32px);padding:11px 18px;font-size:12px;transition:all .22s;position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);box-shadow:0 18px 50px #00000057}.toast.visible{opacity:1;transform:translate(-50%)}.footer{text-align:center;color:#616a66;letter-spacing:.06em;border-top:1px solid #d5b77914;padding:16px 20px 28px;font-size:9px}@media (max-width:1050px){.game-layout{grid-template-columns:minmax(210px,260px) minmax(430px,1fr)}.record-panel{grid-column:1/-1;grid-template-columns:180px 1fr;gap:18px;display:grid}.record-panel .history{max-height:190px}.record-panel .quote,.record-panel .license-link{grid-column:1}}@media (max-width:760px){.topbar{min-height:62px;padding-inline:12px}.brand-mark{width:37px;font-size:18px}.brand strong{font-size:16px}.brand small{font-size:7px}.engine-badge{justify-content:center;max-width:42px;height:38px;padding:0}.engine-badge span:last-child{display:none}.journey-strip{grid-template-columns:1fr;gap:16px;padding:24px 16px 19px}.journey-strip h1{font-size:clamp(29px,11vw,45px)}.journey-strip .lead{font-size:12px}.rule-note{display:none}.game-layout{flex-direction:column;gap:12px;padding:12px 8px 30px;display:flex}.side-panel,.board-column,.record-panel{width:100%}.opponent-list{grid-template-columns:repeat(4,1fr);gap:5px}.opponent-card{text-align:center;padding:7px 3px;display:block}.opponent-seal{width:34px;margin:0 auto 5px;font-size:15px}.opponent-card strong{font-size:10px}.opponent-card small,.opponent-detail{display:none}.settings{margin-top:11px}.board-frame{border-radius:11px;padding:6px}.board-surface{border-radius:7px}.match-bar{margin-bottom:7px;padding:8px 11px}.turn-copy strong{font-size:13px}.controls{margin-top:8px}.control-btn{min-height:40px}.record-panel{display:block}.record-panel .history{max-height:160px}.record-panel .quote{display:none}}@media (max-width:390px){.brand strong{letter-spacing:.1em}.journey-strip h1{letter-spacing:.08em}.game-layout{padding-inline:5px}.side-panel{padding:11px}.stone-key{gap:6px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}