.g2048-page{max-width:1448px;margin:auto;padding:20px 24px 0;color:var(--portal-text);font-family:system-ui,sans-serif}
.g2048-page-title{font-size:clamp(23px,3vw,34px);line-height:1.2;margin:0 0 20px;color:var(--portal-text);-webkit-text-fill-color:var(--portal-text)}
.g2048-guide{max-width:1080px;margin:40px auto;color:var(--portal-text);font-size:16px;line-height:1.8}
.g2048-guide section{margin:32px 0;scroll-margin-top:20px}
.g2048-guide h2,.g2048-guide h3{line-height:1.3;color:var(--portal-text);-webkit-text-fill-color:var(--portal-text)}
.g2048-guide h2{font-size:clamp(23px,3vw,30px)}.g2048-guide h3{font-size:21px}
.g2048-guide p{color:var(--portal-muted)}.g2048-guide strong{color:var(--portal-text)}
.g2048-guide a{color:var(--portal-link);text-underline-offset:3px}
.g2048-toc{display:block;background:var(--portal-panel);border:1px solid var(--portal-line);border-radius:14px;padding:20px}
.g2048-toc ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 26px;margin-bottom:0;padding-left:20px;font-size:14px}
.g2048-guide figure{margin:24px 0 30px;max-width:960px}
.g2048-guide figure img{width:100%;height:auto;border-radius:14px;border:1px solid var(--portal-line)}
.g2048-guide figcaption{font-size:13px;line-height:1.5;color:var(--portal-muted);margin-top:7px}
.g2048-guide figcaption small{display:block;margin-top:4px}

.g2048-guide .toc{display:block;background:var(--portal-panel);border:1px solid var(--portal-line);border-radius:14px;padding:20px}
.g2048-guide .toc ul{columns:2;list-style:none;padding:0}.g2048-guide .toc li{break-inside:avoid;margin-bottom:9px;font-size:14px}
.g2048-guide [id]{scroll-margin-top:24px}.g2048-guide .self-link{text-decoration:none;color:inherit}.g2048-guide .self-link:hover{text-decoration:underline}
.g2048-guide table{width:100%;border-collapse:collapse}.g2048-guide td,.g2048-guide th{padding:10px;border-bottom:1px solid var(--portal-line);text-align:left}
#aurora-app{border-radius:14px;min-height:0}
#aurora-app h2{color:var(--ink);-webkit-text-fill-color:var(--ink)}
#aurora-app .intro h2 em{color:inherit;-webkit-text-fill-color:currentColor}
#aurora-app #modal-content h3{color:var(--ink);-webkit-text-fill-color:var(--ink);font-size:18px}
#aurora-app #modal{max-height:90vh;overflow:auto}
#aurora-app .segments button{white-space:normal}
#aurora-app .theme-btn{flex-shrink:0}
@media(max-width:760px){.g2048-page{padding:14px 12px 0}.g2048-guide{font-size:15px;margin-top:28px}.g2048-guide .toc ul{columns:1}#aurora-app .topbar{flex-wrap:wrap}#aurora-app .top-actions{flex-wrap:wrap}#aurora-app .board-caption{flex-wrap:wrap;gap:5px}#aurora-app .game-actions .btn{white-space:normal}}