.topnav[data-astro-cid-o7a6td4t] a[data-astro-cid-o7a6td4t].is-active{border-color:var(--border-strong);background:var(--surface-soft);color:var(--text)}*{box-sizing:border-box}body{margin:0;background:#f4f5f7;color:#17191d;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif}.square-page[data-astro-cid-kx7poc54]{min-height:100vh;min-height:100dvh;padding:86px 0 env(safe-area-inset-bottom)}.square-shell[data-astro-cid-kx7poc54]{width:min(920px,calc(100% - 32px));margin:0 auto;padding:42px 0 72px}.square-heading[data-astro-cid-kx7poc54]{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;margin-bottom:18px}.square-heading[data-astro-cid-kx7poc54] p[data-astro-cid-kx7poc54]{margin:0 0 7px;color:#8c929c;font-size:10px;font-weight:800;letter-spacing:.2em}.square-heading[data-astro-cid-kx7poc54] h1[data-astro-cid-kx7poc54]{margin:0;font-size:clamp(29px,5vw,42px);line-height:1.1;letter-spacing:-.04em}.square-heading[data-astro-cid-kx7poc54] div[data-astro-cid-kx7poc54]>span[data-astro-cid-kx7poc54]{display:block;margin-top:8px;color:#737881;font-size:14px}.square-back[data-astro-cid-kx7poc54]{width:40px;height:40px;border:1px solid #dedfe2;border-radius:50%;background:#fff;color:#202226;font-size:21px;cursor:pointer}.square-create[data-astro-cid-kx7poc54],.square-submit[data-astro-cid-kx7poc54]{border:0;border-radius:12px;background:#17191d;color:#fff;font-weight:700;cursor:pointer}.square-create[data-astro-cid-kx7poc54]{min-height:42px;padding:0 18px}.square-list[data-astro-cid-kx7poc54]{display:grid;gap:12px}.square-topic-card,.square-post-card{width:100%;border:1px solid #e3e4e7;border-radius:18px;background:#fff;color:inherit;text-align:left;cursor:pointer;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.square-topic-card:hover,.square-post-card:hover{transform:translateY(-2px);border-color:#c8cace;box-shadow:0 12px 34px #15191f12}.square-topic-card{display:grid;grid-template-columns:52px minmax(0,1fr) auto;align-items:center;gap:16px;padding:18px}.square-topic-avatar{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:#191b20;color:#fff;font-size:21px;font-weight:800}.square-topic-copy,.square-post-copy{min-width:0;display:grid;gap:7px}.square-topic-copy strong{font-size:17px}.square-topic-copy>span,.square-post-copy>span{overflow:hidden;color:#737881;font-size:13px;line-height:1.55;text-overflow:ellipsis;white-space:nowrap}.square-topic-meta{display:grid;justify-items:end;gap:6px;color:#92969d;font-size:11px}.square-topic-meta b{color:#454950;font-size:12px}.square-post-card{display:grid;grid-template-columns:1fr auto;gap:16px;padding:20px}.square-post-copy strong{font-size:18px}.square-post-meta{min-width:96px;display:flex;align-items:flex-end;flex-direction:column;gap:4px;color:#90949b;font-size:11px}.square-post-meta b{color:#555a62;margin-top:auto}.square-post-detail,.square-comments{border:1px solid #e3e4e7;border-radius:20px;background:#fff}.square-post-detail{padding:clamp(22px,4vw,38px)}.square-post-actions{display:flex;justify-content:flex-end;margin:-8px -8px 18px}.square-post-delete{min-height:38px;padding:0 13px;border:1px solid #e5bcbc;border-radius:10px;background:#fff8f8;color:#a33434;font:inherit;font-size:12px;font-weight:700;cursor:pointer}.square-post-delete:hover{border-color:#cf7e7e;background:#fff0f0}.square-post-delete:disabled{opacity:.55;cursor:wait}.square-post-detail>p{margin:0;white-space:pre-wrap;font-size:16px;line-height:1.85}.square-post-rich{min-width:0;color:#25282d;font-size:16px;line-height:1.85}.square-post-rich>:first-child{margin-top:0}.square-post-rich>:last-child{margin-bottom:0}.square-post-rich p,.square-post-rich ul,.square-post-rich ol,.square-post-rich blockquote,.square-post-rich pre{margin:0 0 1em}.square-post-rich ul,.square-post-rich ol{padding-left:1.45em}.square-post-rich blockquote{padding-left:14px;border-left:3px solid #d5d7db;color:#686d75}.square-post-rich pre{overflow:auto;padding:14px;border-radius:10px;background:#f3f4f5;font-size:.88em;line-height:1.6}.square-post-rich a{color:#4b596b;text-decoration:underline;text-underline-offset:2px}.square-post-rich img,.square-post-rich video{display:block;max-width:100%;height:auto;margin:16px auto;border-radius:12px}.square-post-rich audio{display:block;width:100%;margin:16px 0}.square-post-rich .math-inline,.square-post-rich .math-block{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.square-post-rich .math-block{overflow-x:auto;margin:16px 0;padding:14px;border-radius:10px;background:#f3f4f5;text-align:center}.square-post-detail footer{margin-top:24px;padding-top:18px;border-top:1px solid #ececef;color:#888d95;font-size:12px}.square-comments{padding:20px}.square-comments h2{margin:0 0 12px;font-size:16px}.square-comment{position:relative;padding:16px 4px;border-top:1px solid #eeeef0}.square-comment.is-reply{margin-left:32px}.square-comment header{display:flex;gap:10px;align-items:center}.square-comment header strong{font-size:13px}.square-comment time{color:#9a9da3;font-size:11px}.square-comment p{margin:9px 58px 0 0;white-space:pre-wrap;color:#3f4349;font-size:14px;line-height:1.65}.square-reply-label{color:#8b9098}.square-comment-reply{position:absolute;right:2px;bottom:16px;border:0;background:transparent;color:#777c84;cursor:pointer;font-size:12px}.square-empty,.square-loading{display:grid;justify-items:center;gap:8px;padding:56px 20px;border:1px dashed #d9dadd;border-radius:18px;color:#9a9da3;text-align:center}.square-empty strong{color:#50545a}.square-empty span{font-size:13px}.square-dialog[data-astro-cid-kx7poc54]{width:min(560px,calc(100% - 24px));max-width:calc(100vw - 24px);padding:0;border:0;border-radius:22px;background:transparent}.square-dialog[data-astro-cid-kx7poc54]::backdrop{background:#11131694;backdrop-filter:blur(5px)}.square-dialog-card[data-astro-cid-kx7poc54]{display:grid;width:100%;min-width:0;max-width:100%;gap:16px;padding:22px;border-radius:22px;background:#fff;color:#17191d}.square-dialog-card[data-astro-cid-kx7poc54] header[data-astro-cid-kx7poc54]{display:flex;align-items:center;justify-content:space-between;font-size:18px}.square-dialog-card[data-astro-cid-kx7poc54] header[data-astro-cid-kx7poc54] button[data-astro-cid-kx7poc54]{border:0;background:transparent;color:#777c84;font-size:25px;cursor:pointer}.square-dialog-card[data-astro-cid-kx7poc54] label[data-astro-cid-kx7poc54],.square-dialog-card[data-astro-cid-kx7poc54] [data-astro-cid-kx7poc54][data-topic-fields]:not([hidden]),.square-dialog-card[data-astro-cid-kx7poc54] [data-astro-cid-kx7poc54][data-post-fields]:not([hidden]),.square-dialog-card[data-astro-cid-kx7poc54] [data-astro-cid-kx7poc54][data-comment-fields]:not([hidden]){display:grid;gap:8px}.square-dialog-card[data-astro-cid-kx7poc54] [data-astro-cid-kx7poc54][data-topic-fields]:not([hidden]),.square-dialog-card[data-astro-cid-kx7poc54] [data-astro-cid-kx7poc54][data-post-fields]:not([hidden]){min-width:0;max-width:100%;gap:14px}.square-rich-editor[data-astro-cid-kx7poc54]{width:100%;min-width:0;max-width:100%;min-height:280px;overflow:visible;border:1px solid #dcdde0;border-radius:12px;background:#f8f8f9}.square-rich-editor[data-astro-cid-kx7poc54]>span[data-astro-cid-kx7poc54]{display:grid;min-height:280px;place-items:center;color:#8a8e95;font-size:13px}.square-rich-editor[data-astro-cid-kx7poc54] taitan-editor[data-astro-cid-kx7poc54]{display:block;width:100%;min-width:0;max-width:100%;min-height:280px;--text: #25282d;--surface: #fff;--border: #dcdde0;--editor-min-height: 280px;--editor-content-min-height: 230px;--editor-content-padding: 18px}.square-dialog-card[data-astro-cid-kx7poc54] label[data-astro-cid-kx7poc54] span[data-astro-cid-kx7poc54]{color:#686d75;font-size:12px;font-weight:600}.square-dialog-card[data-astro-cid-kx7poc54] input[data-astro-cid-kx7poc54],.square-dialog-card[data-astro-cid-kx7poc54] textarea[data-astro-cid-kx7poc54]{width:100%;border:1px solid #dcdde0;border-radius:12px;background:#f8f8f9;color:inherit;padding:12px 13px;outline:none;font:inherit;resize:vertical}.square-dialog-card[data-astro-cid-kx7poc54] input[data-astro-cid-kx7poc54]:focus,.square-dialog-card[data-astro-cid-kx7poc54] textarea[data-astro-cid-kx7poc54]:focus{border-color:#777b82;background:#fff}.square-dialog-tip[data-astro-cid-kx7poc54]{margin:0;color:#8a8e95;font-size:11px;line-height:1.55}.square-moderation-feedback[data-astro-cid-kx7poc54]{display:grid;gap:6px;padding:12px 14px;border:1px solid #efb3ad;border-radius:12px;background:#fff4f2;color:#7d2922}.square-moderation-feedback[data-astro-cid-kx7poc54][hidden]{display:none}.square-moderation-feedback[data-astro-cid-kx7poc54] strong[data-astro-cid-kx7poc54]{font-size:13px}.square-moderation-feedback[data-astro-cid-kx7poc54] p[data-astro-cid-kx7poc54]{margin:0;font-size:13px;line-height:1.55;overflow-wrap:anywhere}.square-moderation-feedback[data-astro-cid-kx7poc54] small[data-astro-cid-kx7poc54]{color:#92554f;font-size:11px;line-height:1.5}.square-submit[data-astro-cid-kx7poc54]{min-height:44px}.square-submit[data-astro-cid-kx7poc54]:disabled{opacity:.55;cursor:wait}.square-login-card[data-astro-cid-kx7poc54] a[data-astro-cid-kx7poc54]{color:#696e76;text-align:center;font-size:12px}.square-toast[data-astro-cid-kx7poc54]{position:fixed;left:50%;bottom:max(24px,env(safe-area-inset-bottom));z-index:80;transform:translate(-50%);max-width:min(420px,calc(100% - 32px));padding:11px 16px;border-radius:12px;background:#1b1e22;color:#fff;box-shadow:0 12px 36px #00000038;font-size:13px}.square-toast[data-astro-cid-kx7poc54].is-error{background:#9f3030}@media(max-width:720px){html{scroll-padding-top:calc(var(--mobile-topbar-height) + 12px);scroll-padding-bottom:calc(var(--mobile-tabbar-height) + 12px)}.square-page[data-astro-cid-kx7poc54]{padding-top:calc(var(--mobile-topbar-height) + 12px);padding-bottom:calc(var(--mobile-tabbar-height) + 12px)}.square-shell[data-astro-cid-kx7poc54]{width:100%;padding:24px 12px 36px}.square-heading[data-astro-cid-kx7poc54]{gap:11px}.square-heading[data-astro-cid-kx7poc54] h1[data-astro-cid-kx7poc54]{font-size:28px}.square-heading[data-astro-cid-kx7poc54] div[data-astro-cid-kx7poc54]>span[data-astro-cid-kx7poc54]{max-width:210px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.square-create[data-astro-cid-kx7poc54]{min-height:38px;padding:0 13px;font-size:12px}.square-page[data-astro-cid-kx7poc54][data-square-view=topics] .square-heading[data-astro-cid-kx7poc54] .square-create[data-astro-cid-kx7poc54]{display:none}.square-topic-card{grid-template-columns:44px minmax(0,1fr);padding:14px;gap:12px;border-radius:15px}.square-topic-avatar{width:44px;height:44px;border-radius:13px;font-size:18px}.square-topic-meta{grid-column:2;grid-row:2;display:flex;justify-content:flex-start;gap:9px}.square-post-card{grid-template-columns:1fr;padding:16px;border-radius:15px}.square-post-meta{min-width:0;align-items:center;flex-direction:row}.square-post-meta b{margin:0 0 0 auto}.square-post-actions{margin:-6px -6px 14px}.square-comment.is-reply{margin-left:18px}.square-dialog[data-astro-cid-kx7poc54]{width:calc(100dvw - 16px);max-width:calc(100dvw - 16px);max-height:calc(100dvh - env(safe-area-inset-top,0px) - 8px);margin-bottom:0;overflow-x:hidden;overflow-y:auto;border-radius:22px 22px 0 0;overscroll-behavior:contain}.square-dialog-card[data-astro-cid-kx7poc54]{padding-bottom:max(22px,env(safe-area-inset-bottom));border-radius:22px 22px 0 0}.square-rich-editor[data-astro-cid-kx7poc54] taitan-editor[data-astro-cid-kx7poc54]{--editor-min-height-mobile: 240px;--editor-content-min-height-mobile: 200px;--editor-content-padding-mobile: 14px}.square-toast[data-astro-cid-kx7poc54]{bottom:calc(var(--mobile-tabbar-height) + 12px)}}html[data-theme=dark] body{background:#101114;color:#eceef1}html[data-theme=dark] .square-create[data-astro-cid-kx7poc54],html[data-theme=dark] .square-submit[data-astro-cid-kx7poc54]{background:#f0f1f3;color:#17191d}html[data-theme=dark] .square-back[data-astro-cid-kx7poc54],html[data-theme=dark] .square-topic-card,html[data-theme=dark] .square-post-card,html[data-theme=dark] .square-post-detail,html[data-theme=dark] .square-comments,html[data-theme=dark] .square-dialog-card[data-astro-cid-kx7poc54]{background:#191b1f;color:#eceef1;border-color:#2c2f34}html[data-theme=dark] .square-topic-avatar{background:#e9eaec;color:#191b1f}html[data-theme=dark] .square-post-detail footer,html[data-theme=dark] .square-comment{border-color:#303237}html[data-theme=dark] .square-dialog-card[data-astro-cid-kx7poc54] input[data-astro-cid-kx7poc54],html[data-theme=dark] .square-dialog-card[data-astro-cid-kx7poc54] textarea[data-astro-cid-kx7poc54],html[data-theme=dark] .square-rich-editor[data-astro-cid-kx7poc54]{border-color:#383b41;background:#22252a;color:#f1f2f3}html[data-theme=dark] .square-rich-editor[data-astro-cid-kx7poc54] taitan-editor[data-astro-cid-kx7poc54]{--text: #eceef1;--surface: #191b1f;--border: #383b41}html[data-theme=dark] .square-moderation-feedback[data-astro-cid-kx7poc54]{border-color:#764640;background:#2b2021;color:#f3b9b3}html[data-theme=dark] .square-moderation-feedback[data-astro-cid-kx7poc54] small[data-astro-cid-kx7poc54]{color:#d18e87}html[data-theme=dark] .square-post-rich{color:#eceef1}html[data-theme=dark] .square-post-rich blockquote{border-color:#555960;color:#b7bbc2}html[data-theme=dark] .square-post-rich pre{background:#22252a}html[data-theme=dark] .square-post-delete{border-color:#684040;background:#2b2021;color:#efaaaa}body{position:relative;isolation:isolate;background:#218fbc;color:var(--text)}html[data-theme=dark] body{background:#050b17;color:var(--text)}body:before{position:fixed;inset:0;z-index:-1;background:linear-gradient(180deg,#04111e14,#04111e29),url(/assets/wallpapers/ocean-voyage-desktop-v1.png) center / cover no-repeat;content:"";pointer-events:none}html[data-theme=dark] body:before{background-image:linear-gradient(180deg,#04111e14,#04111e29),url(/assets/wallpapers/midnight-cosmos-desktop-v1.webp)}.square-liquid-wallpaper-source[data-astro-cid-kx7poc54]{position:fixed;width:0;height:0;overflow:hidden;pointer-events:none}.square-page[data-astro-cid-kx7poc54]{--square-glass: linear-gradient(145deg, rgba(255,255,255,.15), transparent 42%), color-mix(in srgb, var(--surface-solid) 52%, transparent);--square-glass-strong: linear-gradient(145deg, rgba(255,255,255,.2), transparent 42%), color-mix(in srgb, var(--surface-solid) 72%, transparent);--square-line: color-mix(in srgb, #fff 24%, var(--border));--square-shadow: inset 0 1px rgba(255,255,255,.22), inset 0 -1px rgba(0,0,0,.08), 0 14px 38px color-mix(in srgb, var(--shadow) 78%, transparent);color:var(--text);background:transparent}.square-heading[data-astro-cid-kx7poc54]{padding:16px;border:1px solid var(--square-line);border-radius:18px;background:var(--square-glass);box-shadow:var(--square-shadow);backdrop-filter:blur(22px) saturate(132%);-webkit-backdrop-filter:blur(22px) saturate(132%)}.square-heading[data-astro-cid-kx7poc54] p[data-astro-cid-kx7poc54],.square-heading[data-astro-cid-kx7poc54] div[data-astro-cid-kx7poc54]>span[data-astro-cid-kx7poc54],.square-topic-copy>span,.square-post-copy>span,.square-topic-meta,.square-post-meta,.square-comment time,.square-reply-label,.square-comment-reply{color:var(--muted)}.square-topic-meta b,.square-post-meta b,.square-comment p,.square-post-rich,.square-empty strong{color:var(--text)}.square-back[data-astro-cid-kx7poc54],.square-topic-card,.square-post-card,.square-post-detail,.square-comments,.square-empty,.square-loading{border-color:var(--square-line);background:var(--square-glass);color:var(--text);box-shadow:var(--square-shadow);backdrop-filter:blur(22px) saturate(132%);-webkit-backdrop-filter:blur(22px) saturate(132%)}.square-topic-card:hover,.square-post-card:hover{border-color:color-mix(in srgb,#fff 38%,var(--border-strong));box-shadow:var(--square-shadow),0 16px 38px #030a121f}.square-topic-avatar{border:1px solid var(--square-line);background:color-mix(in srgb,var(--surface-solid) 78%,transparent);color:var(--text);box-shadow:inset 0 1px #ffffff29}.square-create[data-astro-cid-kx7poc54],.square-submit[data-astro-cid-kx7poc54]{border:1px solid color-mix(in srgb,#fff 18%,var(--border));background:color-mix(in srgb,var(--text) 86%,transparent);color:var(--bg);box-shadow:inset 0 1px #ffffff29}.square-dialog-card[data-astro-cid-kx7poc54]{border:1px solid var(--square-line);background:var(--square-glass-strong);color:var(--text);box-shadow:var(--square-shadow),0 24px 70px #0000003d;backdrop-filter:blur(28px) saturate(138%);-webkit-backdrop-filter:blur(28px) saturate(138%)}.square-dialog-card[data-astro-cid-kx7poc54] input[data-astro-cid-kx7poc54],.square-dialog-card[data-astro-cid-kx7poc54] textarea[data-astro-cid-kx7poc54],.square-rich-editor[data-astro-cid-kx7poc54]{border-color:var(--square-line);background:color-mix(in srgb,var(--surface-solid) 46%,transparent);color:var(--text)}.square-dialog-card[data-astro-cid-kx7poc54] input[data-astro-cid-kx7poc54]:focus,.square-dialog-card[data-astro-cid-kx7poc54] textarea[data-astro-cid-kx7poc54]:focus{border-color:var(--border-strong);background:color-mix(in srgb,var(--surface-solid) 62%,transparent)}.square-rich-editor[data-astro-cid-kx7poc54] taitan-editor[data-astro-cid-kx7poc54]{--text: var(--text);--surface: color-mix(in srgb, var(--surface-solid) 82%, transparent);--border: var(--square-line)}.square-post-rich pre,.square-post-rich .math-block{background:color-mix(in srgb,var(--surface-solid) 64%,transparent)}.square-post-detail footer,.square-comment{border-color:var(--square-line)}@media(max-width:720px){body:before{background-image:linear-gradient(180deg,#04111e0a,#04111e1f),url(/assets/wallpapers/ocean-voyage-mobile-v1.png)}html[data-theme=dark] body:before{background-image:linear-gradient(180deg,#04111e0a,#04111e1f),url(/assets/wallpapers/midnight-cosmos-mobile-v1.webp)}.square-heading[data-astro-cid-kx7poc54]{margin-inline:0;padding:14px;border-radius:16px}.square-topic-card,.square-post-card,.square-post-detail,.square-comments{background:linear-gradient(145deg,rgba(255,255,255,.13),transparent 42%),color-mix(in srgb,var(--surface-solid) 56%,transparent);backdrop-filter:blur(18px) saturate(128%);-webkit-backdrop-filter:blur(18px) saturate(128%)}}