:root{color-scheme:light;--ink:#183a37;--muted:#5e6e63;--line:#dde2d9;--paper:#f5f5ef;--teal:#173b38;--amber:#e7ba72;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-size:14px;line-height:1.6}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid #b27c28;outline-offset:4px}button{color:inherit}h1,h2,h3,p{margin:0}button svg,svg,img{display:block}::selection{background:#e7ba7266}html{scroll-behavior:smooth;scroll-padding-top:24px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-70px;left:20px;background:var(--amber);padding:12px;z-index:20}.skip-link:focus{top:10px}
.sidebar{width:222px;background:var(--teal);color:#d6e2d9;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;padding:34px 22px 26px;z-index:2}.brand{display:flex;align-items:center;gap:12px;color:#f0eddf;font-size:13px;line-height:1.3;letter-spacing:.5px}.brand b{display:block;font-size:23px;letter-spacing:-.5px}.brand-dot{color:var(--amber)}.sidebar-label{font-size:11px;letter-spacing:2px;color:#8da79d;margin:24px 0 42px}.sidebar nav{display:grid;gap:9px}.nav-link{display:flex;align-items:center;gap:12px;width:100%;padding:12px 13px;border:0;border-radius:6px;background:none;text-align:left;color:#b7c9bf;font-weight:500}.nav-link>span:first-child{font-size:21px;line-height:1}.nav-link.active{background:#ffffff10;color:var(--amber)}.nav-link:hover{background:#ffffff0c}.nav-arrow{margin-left:auto}.sidebar-bottom{margin-top:auto;padding:22px 8px 0}.tiny-label{font-size:11px;letter-spacing:1.7px;color:#91ada0}.sidebar-bottom p{font-size:23px;line-height:1.65;color:#e4e6d6;margin:15px 0 23px;font-weight:500}.sidebar-line{height:1px;background:#ffffff18;margin-bottom:16px}.sidebar-bottom>span:last-child{font-size:11px;color:#91ada0}
.workspace{margin-left:222px}.topbar{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 44px;font-size:13px;color:var(--muted)}.topbar strong{color:var(--ink);font-weight:500}.slash{padding:0 13px;color:#bec7be}.preview-label{display:flex;align-items:center;gap:7px;font-size:12px}.status-dot{width:6px;height:6px;display:inline-block;flex-shrink:0;border-radius:50%;background:var(--amber)}.preview-label .status-dot{background:#8da68a}main{max-width:1410px;margin:0 auto;padding:38px 44px 0}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px}.eyebrow{font-size:11px;font-weight:600;letter-spacing:2px;color:var(--muted)}h1{font-size:34px;letter-spacing:-1px;margin:7px 0 9px;line-height:1.4}h1>span{color:#b88d4b}.intro{color:var(--muted);font-size:13px}.primary-button,.outline-button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:12px 17px;border:1px solid var(--teal);border-radius:5px;background:var(--teal);color:#f7f3e8;font-weight:500;font-size:13px;min-height:43px}.primary-button:hover{background:#24534b}.primary-button>span,.outline-button>span{font-size:17px}.featured{position:relative;min-height:207px;background:#e9ebdf;border:1px solid #dce0d1;border-radius:8px;overflow:hidden;display:flex;justify-content:space-between;margin-bottom:32px}.featured-copy{position:relative;z-index:1;padding:27px 30px}.feature-badge{display:flex;align-items:center;gap:7px;font-size:11px;color:#5e6d57;letter-spacing:1px}.feature-badge .status-dot{background:#8c9c72}.featured h2{font-size:25px;font-weight:600;margin:10px 0 7px;letter-spacing:.2px}.featured p{font-size:13px;color:#5e6d57}.feature-link{display:inline-flex;gap:25px;align-items:center;font-size:12px;font-weight:600;margin-top:18px}.feature-link:hover{text-decoration:underline}.spire-art{width:330px;flex-shrink:0;position:relative;color:#718467;overflow:hidden}.spire-art svg{width:300px;height:200px;position:absolute;bottom:4px;right:20px;z-index:1}.orbit{position:absolute;display:block;width:240px;height:240px;border:1px solid #82957330;border-radius:50%;top:-26px;right:39px;transform:rotate(-22deg) scaleX(.56)}.orbit-two{transform:rotate(25deg) scaleX(.65);width:280px;height:280px;right:20px;top:-46px}.art-caption{position:absolute;bottom:13px;right:23px;font-size:10px;letter-spacing:2px;display:flex;gap:20px;color:#5e6d57}.art-caption>span{font-variant-numeric:tabular-nums}
.section-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.section-label h2{font-size:13px;font-weight:600}.section-label>span{font-size:11px;letter-spacing:1.2px;color:#5e6d57}.games{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.game-card{position:relative;padding:19px 16px 16px;background:#fafbf6;border:1px solid var(--line);border-radius:7px;display:flex;flex-wrap:wrap;gap:13px;align-items:center;transition:border-color .15s,background .15s;min-height:137px}.game-card:hover{border-color:#8f9d86;background:#f0f2e9}.game-card.selected{border-color:#28544b;background:#eef1e7;box-shadow:inset 0 0 0 1px #28544b}.game-icon{height:41px;width:41px;flex-shrink:0;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:32px;line-height:1}.spire-icon{background:#e5e6d2;color:#7a8051}.chess-icon{background:#e6e9e5;color:#3c5351}.go-icon{background:#eee5d6;position:relative;gap:0}.go-icon i{height:15px;width:15px;border-radius:50%;background:#3b443d;transform:translate(3px,-4px)}.go-icon i+i{background:#faf9f0;border:1px solid #b0aa94;transform:translate(-3px,4px)}.cards-icon{background:#e9e0d9;color:#775e4f;font-size:29px}.game-card h3{font-size:13px;font-weight:600;margin-bottom:3px}.game-card>div>span{font-size:11px;color:var(--muted)}.game-state{font-size:11px;color:#5e6d57;flex-basis:100%;padding-top:1px}.game-state.first{color:#60683d}.selection-mark{position:absolute;bottom:14px;right:17px;font-size:16px;color:#a2ad9e}.selected .selection-mark{color:#28544b}.game-section{margin-bottom:34px}
.rankings{background:#fcfcf8;border:1px solid var(--line);border-radius:8px;overflow:hidden;scroll-margin-top:20px}.ranking-heading{display:flex;align-items:center;justify-content:space-between;padding:24px 25px 21px;gap:12px}.ranking-heading .eyebrow{font-size:10px;letter-spacing:1.8px;margin-bottom:5px}.ranking-heading h2{font-size:20px;line-height:1.5}.ranking-heading h2>span{font-weight:400;margin-left:8px}.data-label{font-size:11px;color:#5e6d57;padding:4px 8px;background:#f0f2e9;border-radius:3px;white-space:nowrap}.ranking-toolbar{display:flex;justify-content:space-between;align-items:center;padding:0 25px 18px;gap:12px}.scope-switch{display:inline-flex;border:1px solid #e0e4da;border-radius:5px;padding:3px;background:#f1f3eb;gap:3px}.scope-switch button{border:0;padding:6px 14px;background:transparent;font-size:12px;color:#5e6d57;border-radius:3px;min-height:32px}.scope-switch button[aria-pressed=true]{background:#fcfcf8;color:var(--ink);box-shadow:0 1px 3px #1b332316}.rule-label{font-size:11px;color:#5e6d57}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:690px;table-layout:fixed;text-align:left}th{background:#f3f5ed;border-block:1px solid #e6e9df;font-size:11px;color:#5e6d57;font-weight:400;padding:12px 14px}.rank-column{width:8%;padding-left:26px}th:nth-child(2){width:26%}th:nth-child(3){width:23%}td{padding:0}.empty-state{text-align:center;padding:41px 20px 37px;min-height:276px}.empty-podium{height:47px;display:flex;align-items:flex-end;justify-content:center;gap:4px;margin-bottom:15px}.empty-podium>span{display:flex;align-items:center;justify-content:center;width:30px;height:26px;background:#edf0e6;border:1px solid #dce2d3;color:#b0b9a5;font-family:Georgia,serif;font-size:13px;border-radius:3px 3px 0 0}.empty-podium>span:nth-child(2){height:36px;position:relative;background:#e8eddf;color:#829673}.empty-podium>span:last-child{height:21px}.empty-podium i{position:absolute;top:-19px;font-style:normal;font-size:17px;color:#b4a36c}.empty-state h3{font-size:17px;font-weight:500;margin-bottom:6px}.empty-state p{font-size:12px;color:#5e6d57;margin-bottom:18px}.outline-button{background:transparent;color:var(--ink);border-color:#d3dac9;font-size:11px;min-height:34px;padding:6px 13px;gap:20px}.outline-button:hover{border-color:#78906d;background:#f1f4e9}.ranking-footer{display:flex;justify-content:space-between;border-top:1px solid #e8ebe2;padding:13px 25px;color:#5e6d57;font-size:11px}.ranking-footer>span:last-child{display:flex;gap:12px}.bottom-note{display:flex;align-items:center;gap:13px;padding:23px 0;color:#5e6d57;font-size:11px}.note-symbol{font-size:24px;color:#8a9e7a}.bottom-note p>span{display:block;font-size:11px;color:#5e6d57;margin-top:2px}.note-tag{margin-left:auto;font-size:10px;letter-spacing:1.5px;color:#5e6d57}footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:18px 0 23px;color:#5e6d57;font-size:11px}
dialog{border:1px solid #d5dece;border-radius:10px;padding:28px;max-width:470px;width:calc(100% - 32px);background:#fcfcf7;color:var(--ink);box-shadow:0 20px 100px #0a292545}dialog::backdrop{background:#0b262b99;backdrop-filter:blur(4px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between}.close-button{border:0;background:none;font-size:25px;line-height:1;width:36px;height:36px}.dialog-heading+h2{font-size:27px;margin:12px 0}.dialog-intro{font-size:13px;color:var(--muted)}dialog ol{padding-left:21px;margin:24px 0}dialog li{padding-left:8px;margin:16px 0;font-size:13px}dialog li::marker{font-family:Georgia,serif;color:#94a785}dialog li span{display:block;color:var(--muted);font-size:12px;margin-top:4px}.dialog-note{padding:12px;background:#eff2e7;font-size:12px;color:#5e6d57;margin-bottom:20px;border-radius:4px}.close-guide{width:100%}.noscript{position:fixed;bottom:0;left:0;right:0;background:#f1d29c;padding:12px;text-align:center;margin:0}
@media(min-width:1500px){main{padding-top:44px}.featured{min-height:222px}.featured-copy{padding:30px 34px}.game-card{min-height:145px}.empty-state{padding-block:49px}}
@media(max-width:1150px){.sidebar{width:180px;padding-inline:16px}.workspace{margin-left:180px}main{padding-inline:28px}.topbar{padding-inline:28px}.games{gap:9px}.game-card{padding:14px 12px;gap:8px}.game-icon{width:33px;height:33px;font-size:26px}.game-card h3{font-size:13px}.game-card>div>span{font-size:11px}.spire-art{width:260px}.spire-art svg{right:0}.featured-copy{padding-inline:25px}.note-tag{display:none}}
@media(max-width:900px){.games{grid-template-columns:repeat(2,minmax(0,1fr))}.game-card{min-height:105px;column-gap:12px}.game-icon{height:38px;width:38px}.game-state{padding-top:0}.spire-art{width:210px;opacity:.7}.spire-art svg{right:-42px}.spire-art .orbit{right:-25px}h1{font-size:29px}.primary-button{gap:13px;padding-inline:13px}.featured h2{font-size:23px}.rule-label{font-size:11px}}
@media(max-width:700px){.sidebar{position:static;width:auto;padding:15px 20px;flex-direction:row;align-items:center;justify-content:space-between}.brand img{width:30px;height:30px}.brand{font-size:11px;gap:9px}.brand b{font-size:18px}.sidebar-label,.sidebar-bottom{display:none}.sidebar nav{display:flex;gap:5px}.nav-link{padding:9px;font-size:12px;min-height:39px}.nav-link>span,.nav-link[data-guide]{display:none}.workspace{margin:0}.topbar{height:48px;padding-inline:20px;font-size:11px}main{padding:25px 20px 0}.page-heading{align-items:flex-start;margin-bottom:24px}.page-heading>.primary-button{display:none}.eyebrow{font-size:10px;letter-spacing:1.8px}h1{font-size:29px;margin:6px 0}.intro{font-size:12px}.featured{min-height:194px;margin-bottom:25px}.featured-copy{padding:23px 20px;max-width:85%}.featured h2{font-size:22px}.featured p{font-size:11px;max-width:225px}.feature-badge{font-size:11px}.spire-art{position:absolute;right:-80px;top:0;bottom:0;opacity:.22;width:220px}.art-caption{display:none}.feature-link{margin-top:18px}.section-label>span{font-size:10px}.games{gap:9px}.game-card{min-height:117px;padding:14px 12px;column-gap:9px}.game-card h3{font-size:13px}.game-icon{height:32px;width:32px;font-size:26px}.go-icon i{width:12px;height:12px}.game-card>div>span{font-size:10px}.game-state{font-size:10px}.game-section{margin-bottom:26px}.ranking-heading{padding:19px 17px 16px}.ranking-heading h2{font-size:17px}.ranking-heading h2>span{margin-left:3px}.data-label{font-size:10px;padding-inline:5px}.ranking-toolbar{padding:0 17px 15px;flex-wrap:wrap;gap:9px}.scope-switch button{font-size:11px;padding-inline:12px}.rule-label{font-size:10px}.table-scroll{overflow:hidden}table{min-width:0}th{padding:10px 8px;font-size:10px}th:nth-child(3),th:nth-child(5){display:none}.rank-column{width:12%;padding-left:17px}th:nth-child(2){width:36%}th:nth-child(4){width:25%}th:nth-child(6){width:27%}.empty-state{padding:40px 13px 32px;min-height:264px}.empty-state h3{font-size:16px}.empty-state p{font-size:11px;max-width:240px;margin:0 auto 18px}.ranking-footer{padding:12px 17px;font-size:10px}.bottom-note{padding-block:18px;align-items:flex-start;gap:10px}.bottom-note p{font-size:11px}.bottom-note p>span{font-size:10px;max-width:270px}footer{font-size:10px}.table-scroll caption{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.game-card{transition:none}}

.version-ref { display:block; max-width:220px; margin-top:5px; overflow-wrap:anywhere; color:var(--muted,#72776f); font-size:10px; font-weight:400; }
tbody td { padding:20px 14px; }
[hidden] { display:none !important; }
.run-link{display:inline-block;margin:7px 10px 0 0;font-size:11px;text-decoration:underline;text-underline-offset:3px;color:#28594e}