:root{--c-bg:#ededed;--c-surface:#fff;--c-surface-sunken:#f7f7f7;--c-border:#e5e5e5;--c-text:#1a1a1a;--c-text-sub:#576b95;--c-text-muted:#9a9a9a;--c-accent:#07c160;--c-accent-press:#06a552;--c-link:#576b95;--c-danger:#fa5151;--c-warn-bg:#fff8e6;--c-warn-border:#ffe1a6;--c-warn-text:#8a5a00;--c-gold:#d98c00;--shell:600px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}body{background:var(--c-bg);color:var(--c-text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;font-size:16px;line-height:1.55}a{color:var(--c-link);text-decoration:none}.filter-row{scrollbar-width:none;border-bottom:1px solid var(--c-border);gap:8px;padding:8px 14px;display:flex;overflow-x:auto;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 28px),#0000)}.chip{border:1px solid 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img{object-fit:cover;width:100%;height:100%;display:block}.community-image-fallback{background:var(--c-surface-sunken);width:100%;height:100%;color:var(--c-text-muted);text-align:center;align-content:center;justify-items:center;gap:5px;padding:8px;display:grid}.community-image-fallback svg{fill:none;stroke:currentColor;stroke-width:1.4px;width:22px;height:22px}.community-image-fallback small{font-size:10px;line-height:1.3}.grid-cell video{object-fit:cover;background:#000;width:100%;height:100%;display:block}.admin-content{padding:14px 14px 96px}.admin-section{border-bottom:1px solid var(--c-border);padding:16px 0 20px}.admin-section h2{margin:0;font-size:17px}.admin-catalog-card{background:#07c1600f;border:1px solid #07c16033;border-radius:8px;gap:5px;margin-top:14px;padding:13px 14px;font-size:14px;display:grid}.admin-catalog-card span{color:var(--c-text-muted)}.admin-catalog-card a{width:fit-content;margin-top:3px}.admin-form{gap:12px;margin-top:14px;display:grid}.region-picker{border:1px solid var(--c-border);border-radius:8px;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0;padding:12px;display:grid}.region-picker legend{color:#555;padding:0 5px;font-size:14px}.region-picker-current{background:var(--c-surface-sunken);border-radius:6px;grid-column:1/-1;align-items:center;gap:8px;padding:8px 10px;font-size:13px;display:flex}.region-picker-current span{color:var(--c-text-muted)}.region-picker-current strong{color:var(--c-accent-press)}.admin-form label{color:#555;gap:6px;font-size:14px;display:grid}.admin-form input,.admin-form textarea,.admin-form select{border:1px solid var(--c-border);background:var(--c-surface);width:100%;color:var(--c-text);font:inherit;border-radius:6px;padding:10px 11px}.admin-form textarea{resize:vertical}.admin-form .checkbox-field{grid-template-columns:none;align-items:center;gap:8px;display:flex}.admin-form .checkbox-field input{width:auto}@media (max-width:480px){.region-picker{grid-template-columns:1fr}}.admin-notice{color:var(--c-accent-press);background:#07c16014;border:1px solid #07c16059;border-radius:6px;margin:0 0 12px;padding:10px 12px}.moment-meta{color:var(--c-text-muted);align-items:center;gap:12px;margin-top:8px;font-size:12.5px;display:flex}.tag-list{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.tag{color:var(--c-text-sub);background:#576b9514;border-radius:3px;padding:2px 7px;font-size:12px}.profile-identity{align-items:flex-start;gap:12px;padding:16px 14px 0;display:flex}.profile-avatar{background:var(--c-surface-sunken);width:56px;height:56px;color:var(--c-text-muted);border-radius:8px;flex:none;place-items:center;font-size:22px;font-weight:600;display:grid;overflow:hidden}.profile-identity-copy{flex:auto;min-width:0}.profile-identity-copy 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strong{font-size:16px}.region-sheet-header button{color:#7b837e;width:34px;height:34px;font:inherit;background:0 0;border:0;border-radius:50%;font-size:24px;line-height:1}.region-sheet-header button:hover{background:#f2f4f3}.region-sheet-body{overscroll-behavior:contain;min-height:240px;overflow-y:auto}.region-sheet .region-browser{border:0;border-radius:0}.region-sheet-status{min-height:280px;color:var(--community-muted);align-content:center;place-items:center;gap:12px;font-size:14px;display:grid}.region-sheet-status button{background:var(--community-green);color:#fff;font:inherit;border:0;border-radius:5px;padding:7px 16px}.auth-quick-login{margin-top:24px}.auth-quick-button{background:var(--community-green);color:#fff;width:100%;min-height:58px;font:inherit;text-align:left;cursor:pointer;border:0;border-radius:9px;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:11px;padding:9px 13px;display:grid;box-shadow:0 9px 22px #087c4529}.auth-quick-button:disabled{cursor:wait;opacity:.76}.auth-quick-mark{background:#ffffff2b;border-radius:10px;place-items:center;width:36px;height:36px;font-size:15px;font-weight:800;display:grid}.auth-quick-button strong,.auth-quick-button small{display:block}.auth-quick-button strong{font-size:14px;line-height:1.35}.auth-quick-button small{color:#fffffff0;margin-top:2px;font-size:10.5px}.auth-quick-arrow{font-size:22px;line-height:1}.auth-quick-login>p:not(.error){color:var(--community-muted);text-align:center;margin:9px 2px 0;font-size:11.5px;line-height:1.45}.auth-quick-login>.error{margin-top:10px}.auth-method-divider{color:#a2aaa5;align-items:center;gap:10px;margin:18px 0 13px;font-size:10px;display:flex}.auth-method-divider:before,.auth-method-divider:after{content:"";background:var(--community-line-soft);flex:1;height:1px}.auth-native-disclosure>summary{border:1px solid var(--community-line);color:#3e4842;cursor:pointer;background:#fafbfa;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:42px;font-size:13px;font-weight:650;list-style:none;display:flex}.auth-native-disclosure>summary::-webkit-details-marker{display:none}.auth-native-disclosure>summary:after{content:"+";color:var(--community-green-dark);font-size:17px;font-weight:500;line-height:1}.auth-native-disclosure[open]>summary:after{content:"−"}.auth-native-disclosure-body .auth-form{margin-top:18px}.auth-method-status{color:var(--community-muted);text-align:center;background:#f2f5f3;border-radius:8px;margin:22px 0 0;padding:10px 12px;font-size:12px;line-height:1.5}.auth-method-status+.auth-form{margin-top:16px}.auth-partner-note{border:1px solid var(--community-line);background:#f8faf9;border-radius:10px;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:10px;padding:12px 14px;display:grid}.auth-partner-note-icon{background:var(--community-green-soft);width:34px;height:34px;color:var(--community-green-dark);border-radius:10px;place-items:center;font-weight:800;display:grid}.auth-partner-note strong,.auth-partner-note p{margin:0;display:block}.auth-partner-note strong{color:var(--community-text);font-size:13px}.auth-partner-note p{color:var(--community-muted);margin-top:2px;font-size:11.5px;line-height:1.45}.auth-partner-note>a{color:var(--community-green-dark);font-size:12.5px;font-weight:700;text-decoration:none}.auth-login-heading+.auth-partner-note{margin-top:24px}.account-page{background:0 0;grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;align-items:start;gap:14px;width:min(100% - 32px,920px);min-height:calc(100vh - 53px);margin:0 auto;padding:18px 0 44px;display:grid}.account-hero{background:radial-gradient(circle at 90% 0,#50dc923d,#0000 28%),linear-gradient(140deg,#273f34,#355e49);border:1px solid #304e40;border-radius:11px}.account-card{border-color:var(--community-line);border-radius:9px;height:100%;margin-top:0;box-shadow:0 4px 15px #1c342606}.membership-card{gap:4px;padding:15px 18px;display:grid}.membership-card>span,.membership-card small{color:var(--community-muted);font-size:11px}.membership-card code{overflow-wrap:anywhere;color:#34443b;-webkit-user-select:all;user-select:all;font-size:13px}.teacher-studio-page{width:min(100% - 32px,980px);min-height:calc(100vh - 53px);margin:0 auto;padding:18px 0 46px}.teacher-studio-summary{border:1px solid var(--community-line);background:#fff;border-radius:10px;align-items:center;gap:13px;padding:16px 18px;display:flex}.teacher-studio-summary .avatar{width:48px;height:48px}.teacher-studio-summary>div{flex:1;gap:2px;min-width:0;display:grid}.teacher-studio-summary>div strong{font-size:17px}.teacher-studio-summary>div span,.teacher-studio-summary>a{color:var(--community-muted);font-size:12px}.teacher-studio-page>.admin-notice,.teacher-studio-page>.error{margin:12px 0 0}.teacher-studio-grid{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);grid-template-areas:"composer profile""posts profile";align-content:start;align-items:start;gap:14px;margin-top:14px;display:grid}.teacher-composer{grid-area:composer}.teacher-profile-card{grid-area:profile}.teacher-studio-card{border:1px solid var(--community-line);background:#fff;border-radius:10px;overflow:hidden}.teacher-studio-card>header{border-bottom:1px solid var(--community-line-soft);justify-content:space-between;align-items:baseline;gap:12px;padding:15px 17px 11px;display:flex}.teacher-studio-card>header h2{margin:0;font-size:16px}.teacher-studio-card>header span{color:var(--community-muted);text-align:right;font-size:11px}.teacher-studio-card form{gap:13px;padding:15px 17px 18px;display:grid}.teacher-studio-card form>label{color:#525b56;gap:5px;font-size:13px;display:grid}.teacher-studio-card input,.teacher-studio-card textarea,.teacher-studio-card select{border:1px solid var(--community-line);width:100%;color:var(--community-text);font:inherit;resize:vertical;background:#fcfdfc;border-radius:7px;outline:0;padding:9px 10px}.teacher-studio-card .region-picker{grid-template-columns:1fr;padding:11px}.teacher-tag-picker{border:1px solid var(--community-line);border-radius:7px;flex-wrap:wrap;gap:7px 12px;margin:0;padding:10px 11px;display:flex}.teacher-tag-picker legend{color:#525b56;padding:0 5px;font-size:13px}.teacher-tag-picker label{color:#525b56;align-items:center;gap:5px;font-size:12px;display:inline-flex}.teacher-tag-picker input{width:auto;margin:0}.teacher-composer .notice{margin:0;font-size:11px}.teacher-post-list{grid-area:posts}.teacher-post-list article{border-bottom:1px solid var(--community-line-soft);padding:13px 17px}.teacher-post-list article:last-child{border-bottom:0}.teacher-post-list article p{color:#323a35;white-space:pre-wrap;margin:0;font-size:14px;line-height:1.65}.teacher-post-list article span{color:var(--community-muted);margin-top:4px;font-size:11px;display:block}.teacher-studio-empty{color:var(--community-muted);text-align:center;padding:34px 17px;font-size:13px}.teacher-studio-message .empty{border:1px solid var(--community-line);background:#fff;border-radius:10px;margin-top:0}.teacher-studio-message .empty h1{margin:0;font-size:17px}.admin-content{width:min(100% - 32px,920px);margin:0 auto;padding:18px 0 50px}.admin-message-page{min-height:calc(100vh - 160px)}.admin-message-page .empty{border:1px solid var(--community-line);background:#fff;border-radius:10px;margin-top:0}.admin-message-page .empty h1{margin:0;font-size:17px}.admin-notice{border-radius:8px}.admin-section{border:1px solid var(--community-line);box-shadow:var(--community-shadow);background:#fff;border-radius:10px;margin-bottom:12px;padding:19px 20px 22px}.admin-section h2{font-size:18px}.admin-section>.muted{margin-top:5px}.admin-catalog-card{border-radius:8px}.admin-form input,.admin-form textarea,.admin-form select{border-color:var(--community-line);background:#fcfdfc;border-radius:7px}.admin-form input:focus,.admin-form textarea:focus,.admin-form select:focus{border-color:#0bb15aa6;outline:3px solid #0bb15a14}.region-picker{border-color:var(--community-line)}
:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--community-width:680px;--community-browse-width:1120px;--community-main:680px;--community-side:280px;--community-canvas:#f4f1f2;--community-surface:#fff;--community-surface-soft:#f8f5f6;--community-ink:#000000e6;--community-ink-soft:#000000b3;--community-subtle:#00000080;--community-faint:#0000004d;--community-hairline:#0000001a;--community-accent:#e83d8e;--community-accent-strong:#c92873;--community-accent-soft:#e83d8e1a;--community-link:#b52d6d;--community-brand:#e83d8e;--community-danger:#fa5151;--community-shadow-sm:none;--community-shadow-md:none;--community-bg:var(--community-canvas);--community-panel:var(--community-surface);--community-line:var(--community-hairline);--community-line-soft:#0000000f;--community-green:var(--community-accent);--community-green-dark:var(--community-accent-strong);--community-green-soft:var(--community-accent-soft);--community-text:var(--community-ink);--community-muted:var(--community-subtle);--c-bg:var(--community-canvas);--c-surface:var(--community-surface);--c-surface-sunken:var(--community-surface-soft);--c-border:var(--community-hairline);--c-text:var(--community-ink);--c-text-sub:var(--community-link);--c-text-muted:var(--community-subtle);--c-accent:var(--community-accent);--c-accent-press:var(--community-accent-strong);--c-link:var(--community-link);--shell:var(--community-width)}html{background:var(--community-canvas);min-width:280px}body{background:var(--community-canvas);min-width:280px;color:var(--community-ink);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,sans-serif}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:var(--community-link)}::selection{background:#e83d8e33}.shell{min-height:100dvh;box-shadow:none;background:0 0;margin:0;padding:0}.visually-hidden{clip-path:inset(50%)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.site-header{z-index:30;border-bottom:1px solid var(--community-hairline);box-shadow:none;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff5;position:sticky;top:0}.site-header-inner{width:min(100%, var(--community-browse-width));grid-template-columns:92px minmax(0,1fr) 92px;align-items:center;min-height:58px;margin:0 auto;padding:0 12px;display:grid}.site-brand{text-align:center;align-content:center;justify-self:center;min-width:0;min-height:50px;display:inline-grid}.community-brand-mark{background:var(--community-brand);width:34px;height:34px;box-shadow:none;color:#fff;border-radius:8px;flex:none;place-items:center;display:inline-grid}.community-brand-mark svg{fill:currentColor;width:21px;height:21px}.site-brand-copy{justify-items:center;min-width:0;display:grid}.site-brand-copy strong{color:var(--community-accent-strong);letter-spacing:.08em;text-overflow:ellipsis;white-space:nowrap;font-size:18px;font-weight:700;line-height:1.15;overflow:hidden}.site-brand-copy small{color:var(--community-faint);letter-spacing:.08em;margin-top:1px;font-size:9px;font-weight:500;line-height:1.1;display:block}.header-actions{justify-self:end;align-items:center;gap:2px;display:flex}.header-actions>a{min-height:44px;color:var(--community-ink-soft);background:0 0;border:0;border-radius:4px;align-items:center;padding:0 8px;font-size:14px;font-weight:500;display:inline-flex}.header-back{width:44px;height:44px;color:var(--community-ink);flex:none;place-items:center;display:inline-grid}.header-leading{justify-self:start;min-width:0;display:flex}.header-leading-placeholder{width:44px;height:44px;display:block}.header-quick-action{justify-content:center;width:44px;min-width:44px;height:44px;padding:0!important}.header-quick-action svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px;width:20px;height:20px}.header-quick-action[aria-current=page]{color:var(--community-accent-strong)}.header-back span{margin-top:-3px;font-size:34px;font-weight:300;line-height:1}.community-page,.catalog-page,.ranking-page,.account-page,.favorites-page,.source-detail-page,.teacher-page,.region-directory-page{width:min(100%, var(--community-width));background:var(--community-surface);min-height:calc(100dvh - 56px);margin:0 auto;padding:0 0 24px}.community-browse-page{width:min(100%, var(--community-browse-width));background:var(--community-canvas);min-height:calc(100dvh - 58px);margin:0 auto;padding:12px 0 32px}.community-search-page{width:min(100%, var(--community-browse-width));background:var(--community-canvas);min-height:calc(100dvh - 58px);margin:0 auto;padding:0 0 32px}.community-search-toolbar{z-index:24;border-bottom:1px solid var(--community-hairline);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff7;padding:10px 12px;position:sticky;top:58px}.community-search-toolbar .catalog-search{background:0 0;border:0;margin:0;padding:0}.community-search-scopes{border:1px solid var(--community-hairline);background:var(--community-surface);border-radius:8px;margin:10px 12px;overflow:hidden}.community-search-channel-row{grid-template-columns:48px minmax(0,1fr);align-items:center;gap:8px;min-height:52px;padding:7px 12px;display:grid}.community-search-channel-row>span{color:#0000009e;font-size:12px}.community-search-channel-row nav{gap:8px;min-width:0;display:flex}.community-search-channel-row a{background:var(--community-surface-soft);min-width:0;min-height:36px;color:var(--community-ink-soft);border-radius:5px;flex:1 1 0;place-items:center;padding:0 10px;font-size:13px;display:inline-grid}.community-search-channel-row a[aria-current=page]{background:var(--community-accent-soft);color:var(--community-accent-strong);font-weight:600}.community-search-scopes .community-region-filter{border:0;border-top:1px solid var(--community-hairline);border-radius:0;margin:0}.community-browse-channels{border:1px solid var(--community-hairline);background:var(--community-surface);border-radius:8px;grid-template-columns:repeat(2,minmax(0,1fr));margin:0 12px 10px;display:grid;overflow:hidden}.community-browse-channels>a{min-width:0;min-height:54px;color:var(--community-subtle);justify-content:center;align-items:center;gap:8px;padding:8px 12px;display:flex;position:relative}.community-browse-channels>a+a{border-left:1px solid 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h1{min-width:0;color:var(--community-ink);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.profile-facts{color:var(--community-subtle);flex-wrap:wrap;gap:3px 9px;margin:4px 0 0;font-size:11px;display:flex}.profile-location{align-items:center;gap:4px;display:inline-flex}.profile-location i{background:var(--community-link);border-radius:50%;width:5px;height:5px}.profile-actions{align-items:center;gap:3px;display:flex}.profile-quote{border:0;border-left:3px solid var(--community-link);background:var(--community-surface-soft);color:var(--community-ink-soft);margin:13px 14px 0;padding:10px 12px;font-size:13px}.teacher-hero-card .profile-intro{color:var(--community-ink-soft);overflow-wrap:anywhere;margin:12px 14px 0;font-size:14px;line-height:1.6}.teacher-hero-card .tag-list{color:var(--community-subtle);gap:0;margin:10px 14px 0}.teacher-hero-card .tag{color:var(--community-subtle);background:0 0;border-radius:0;padding:0;font-size:11px}.teacher-hero-card 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