:root{--primary:#00796b;--on-primary:#fff;--primary-container:#b2dfdb;--on-primary-container:#00251a;--secondary:#4caf50;--secondary-container:#c8e6c9;--on-secondary-container:#1b5e20;--tertiary:#ff6f00;--error:#d32f2f;--star:#ffc107;--bg:#fff;--grouped-bg:#f2f2f7;--surface:#fff;--surface-variant:#eceff1;--on-surface:#1a1c1e;--label-secondary:#6c6c70;--outline:#73777f;--outline-variant:#c4c7cf;--hairline:#3c3c432e;--shadow:0 2px 3px #00000014;--overlay:#0006;--space-xs:4px;--space-sm:8px;--space-md:12px;--space-lg:16px;--space-xl:24px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--tabbar-h:56px;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--app-max:520px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--primary:#53d7f2;--on-primary:#00363f;--primary-container:#004e5c;--on-primary-container:#b2ebf8;--secondary-container:#1f3d22;--on-secondary-container:#c8e6c9;--bg:#0e1415;--grouped-bg:#0e1415;--surface:#161d1e;--surface-variant:#263033;--on-surface:#dde3e5;--label-secondary:#9ba5a8;--outline:#8b9396;--outline-variant:#3f484b;--hairline:#ffffff24;--shadow:0 2px 3px #00000080;--overlay:#0009;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--primary:#53d7f2;--on-primary:#00363f;--primary-container:#004e5c;--on-primary-container:#b2ebf8;--secondary-container:#1f3d22;--on-secondary-container:#c8e6c9;--bg:#0e1415;--grouped-bg:#0e1415;--surface:#161d1e;--surface-variant:#263033;--on-surface:#dde3e5;--label-secondary:#9ba5a8;--outline:#8b9396;--outline-variant:#3f484b;--hairline:#ffffff24;--shadow:0 2px 3px #00000080;--overlay:#0009;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}body{color:var(--on-surface);background:var(--grouped-bg);margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang TC,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK TC,Noto Sans CJK SC,Helvetica Neue,Arial,sans-serif;font-size:17px;line-height:1.4}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:0;padding:0}a{color:var(--primary)}h1,h2,h3,p{margin:0}.app{max-width:var(--app-max);min-height:100vh;background:var(--bg);min-height:100dvh;box-shadow:0 0 0 1px var(--hairline);margin:0 auto;position:relative}.app.grouped,.grouped-bg{background:var(--grouped-bg)}.page{padding-bottom:calc(var(--tabbar-h) + var(--safe-bottom));min-height:100vh;min-height:100dvh}.page-pad{padding:var(--space-lg);padding-top:calc(var(--space-lg) + var(--safe-top))}.page-pad.has-nav{padding-top:var(--space-lg)}.t-title{font-size:28px;font-weight:700;line-height:1.2}.t-title2{font-size:22px;font-weight:700}.t-title3{font-size:20px;font-weight:600}.t-headline{font-size:17px;font-weight:600}.t-body{font-size:17px}.t-sub{font-size:15px}.t-caption{font-size:12px}.t-caption2{font-size:11px}.muted{color:var(--label-secondary)}.primary{color:var(--primary)}.error{color:var(--error)}.italic{font-style:italic}.bold{font-weight:700}.semibold{font-weight:600}.clamp-1,.clamp-2{-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.clamp-1{-webkit-line-clamp:1}.clamp-2{-webkit-line-clamp:2}.navbar{z-index:20;min-height:calc(44px + var(--safe-top));padding:var(--safe-top) var(--space-sm) 0;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:saturate(180%)blur(16px);backdrop-filter:saturate(180%)blur(16px);border-bottom:.5px solid var(--hairline);grid-template-columns:1fr minmax(0,2fr) 1fr;align-items:center;display:grid;position:sticky;top:0}.navbar .nav-back{color:var(--primary);padding:var(--space-sm);justify-self:start;align-items:center;gap:2px;font-size:17px;display:inline-flex}.navbar .nav-title{text-align:center;white-space:nowrap;text-overflow:ellipsis;font-size:17px;font-weight:600;overflow:hidden}.tab-title{padding:calc(var(--safe-top) + 12px) var(--space-lg) var(--space-sm);font-size:34px;font-weight:700}.tabbar{width:min(100%, var(--app-max));z-index:30;padding-bottom:var(--safe-bottom);background:color-mix(in srgb, var(--bg) 90%, transparent);-webkit-backdrop-filter:saturate(180%)blur(16px);backdrop-filter:saturate(180%)blur(16px);border-top:.5px solid var(--hairline);grid-template-columns:repeat(5,1fr);display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.tabbar a{height:var(--tabbar-h);color:var(--label-secondary);flex-direction:column;justify-content:center;align-items:center;gap:2px;font-size:10px;text-decoration:none;display:flex}.tabbar a.active{color:var(--primary)}.card{background:var(--surface);border-radius:var(--radius-md);padding:var(--space-lg);box-shadow:var(--shadow);text-align:left;width:100%;color:inherit;text-decoration:none;display:block}a.card:active,button.card:active{opacity:.8}.stack{flex-direction:column;display:flex}.gap-xs{gap:var(--space-xs)}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.row{align-items:center;display:flex}.row.top{align-items:flex-start}.spread{justify-content:space-between}.grow{flex:1;min-width:0}.flow{flex-wrap:wrap;gap:4px;display:flex}.list{padding:var(--space-xs) var(--space-lg) var(--space-lg);flex-direction:column;gap:8px;display:flex}.pill{background:var(--surface-variant);border-radius:999px;padding:4px 8px;font-size:12px;display:inline-block}.pill.lg{padding:5px 10px}.pill.sm{padding:3px 8px;font-size:11px}.badge{border-radius:var(--radius-sm);background:var(--primary-container);color:var(--on-primary-container);padding:4px 8px;font-size:11px;font-weight:600;display:inline-block}.chips{gap:var(--space-sm);padding:0 var(--space-lg);scrollbar-width:none;-webkit-overflow-scrolling:touch;display:flex;overflow-x:auto}.chips::-webkit-scrollbar{display:none}.chips+.chips{margin-top:4px}.chips:last-of-type{padding-bottom:4px}.chip{background:var(--surface-variant);color:var(--on-surface);white-space:nowrap;border-radius:999px;flex:none;padding:6px 12px;font-size:12px}.chip.selected{background:var(--primary);color:var(--on-primary);font-weight:600}.searchbar{align-items:center;gap:var(--space-sm);background:var(--bg);border:1px solid var(--outline);border-radius:var(--radius-lg);padding:12px;display:flex}.searchbar svg{color:var(--primary);flex:none}.searchbar input{background:0 0;border:0;outline:0;flex:1;min-width:0;font-size:17px}.searchbar button{color:var(--primary);display:inline-flex}.search-wrap{padding:var(--space-sm) var(--space-lg)}.search-wrap.top{padding-top:calc(var(--space-sm) + var(--safe-top))}.btn{border-radius:var(--radius-sm);background:var(--primary);color:var(--on-primary);justify-content:center;align-items:center;gap:6px;padding:11px 16px;font-size:17px;font-weight:600;text-decoration:none;display:inline-flex}.btn.block{width:100%}.btn.tonal{background:color-mix(in srgb, var(--primary) 14%, transparent);color:var(--primary)}.btn.small{padding:6px 10px;font-size:14px}.btn:disabled{opacity:.4;cursor:default}.btn.link{color:var(--primary);background:0 0;padding:4px 0;font-weight:500}.input{background:var(--bg);border:1px solid var(--outline-variant);border-radius:var(--radius-sm);outline:none;width:100%;padding:10px 12px;font-size:17px}.input:focus{border-color:var(--primary)}textarea.input{resize:vertical;min-height:80px}.input.invalid{border-color:var(--error)}.field-label{color:var(--label-secondary);margin-bottom:4px;font-size:12px}.segmented{background:var(--surface-variant);border-radius:9px;grid-auto-columns:1fr;grid-auto-flow:column;padding:2px;display:grid}.segmented button{white-space:nowrap;border-radius:7px;padding:6px 4px;font-size:13px}.segmented button.selected{background:var(--bg);font-weight:600;box-shadow:0 1px 3px #0000002e}.toggle{justify-content:space-between;align-items:center;gap:var(--space-md);display:flex}.switch{-webkit-appearance:none;appearance:none;background:var(--outline-variant);border-radius:999px;flex:none;width:51px;height:31px;transition:background .2s;position:relative}.switch:after{content:"";background:#fff;border-radius:50%;width:27px;height:27px;transition:transform .2s;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #0000004d}.switch:checked{background:var(--secondary)}.switch:checked:after{transform:translate(20px)}.center-fill{min-height:50vh;padding:var(--space-xl);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.empty{padding:32px var(--space-lg);text-align:center;color:var(--label-secondary)}.spinner{border:3px solid var(--surface-variant);border-top-color:var(--primary);border-radius:50%;width:28px;height:28px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.stars{color:var(--star);gap:2px;display:inline-flex}.star-selector{gap:4px;display:flex}.topic-card{align-items:center;gap:var(--space-md);padding:var(--space-lg);border-radius:var(--radius-md);background:var(--secondary-container);box-shadow:var(--shadow);text-align:left;width:100%;text-decoration:none;display:flex}.topic-card .topic-icon{width:44px;color:var(--secondary);justify-content:center;display:flex}.topic-card .topic-title{color:var(--on-secondary-container);font-weight:600}.thumb{border-radius:var(--radius-sm);object-fit:cover;background:var(--surface-variant);flex:none;width:80px;height:80px}.hero{aspect-ratio:800/533;object-fit:cover;background:var(--surface-variant);width:100%;display:block}.img-placeholder{color:var(--label-secondary);background:var(--surface-variant);justify-content:center;align-items:center;display:flex}.article-frame{background:0 0;border:0;width:100%;min-height:60vh;display:block}.rich{word-break:break-word;overflow-wrap:anywhere;line-height:1.75}.rich p{margin:0 0 .75em}.rich ul,.rich ol{margin:0 0 .75em;padding-left:1.4em}.rich h1,.rich h2,.rich h3{margin:1em 0 .5em;line-height:1.3}.rich blockquote{border-left:3px solid var(--primary);color:var(--label-secondary);margin:0 0 .75em;padding:.25em 0 .25em 12px}.rich hr{border:0;border-top:1px solid var(--hairline);margin:1em 0}.rich img{max-width:100%;height:auto}.plain-text{white-space:pre-wrap;word-break:break-word;line-height:1.75}.section{padding:var(--space-md) var(--space-lg);border-bottom:.5px solid var(--hairline)}.section.plain{border-bottom:0}.callout{padding:var(--space-lg);border-radius:var(--radius-md)}.callout.warn{background:color-mix(in srgb, var(--tertiary) 12%, transparent)}.callout.info{background:var(--surface-variant)}.callout.limit{background:color-mix(in srgb, var(--secondary) 12%, transparent)}.callout.danger{background:color-mix(in srgb, var(--error) 10%, transparent)}.comment{border:.5px solid var(--outline);border-radius:var(--radius-sm);background:var(--bg);padding:12px}.reply-box{padding:var(--space-sm);border-radius:var(--radius-sm);background:var(--surface-variant);align-items:flex-start;gap:6px;display:flex}.reply-box.mine{background:color-mix(in srgb, var(--primary) 10%, transparent)}.logo{border-radius:var(--radius-sm);background:var(--primary-container);width:48px;height:48px;color:var(--primary);flex:none;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex}.faq-item{background:var(--surface);border-radius:var(--radius-md);box-shadow:var(--shadow);overflow:hidden}.faq-item>button{justify-content:space-between;align-items:center;gap:var(--space-md);width:100%;padding:var(--space-lg);text-align:left;display:flex}.faq-item .answer{padding:var(--space-lg);border-top:.5px solid var(--hairline)}.check-row{align-items:flex-start;gap:var(--space-sm);display:flex}.check-row svg{color:var(--primary);flex:none;margin-top:2px}.settings{background:var(--surface);margin:0 var(--space-lg);border-radius:var(--radius-md);box-shadow:var(--shadow);overflow:hidden}.settings-row{align-items:center;gap:var(--space-md);width:100%;padding:12px var(--space-lg);text-align:left;display:flex}.settings-row+.settings-row{border-top:.5px solid var(--hairline)}.settings-row .lead{color:var(--primary);display:flex}.overlay{z-index:50;background:var(--overlay);justify-content:center;align-items:flex-end;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.overlay.center{padding:var(--space-xl);align-items:center}.sheet{width:min(100%, var(--app-max));background:var(--bg);padding-bottom:var(--safe-bottom);border-radius:14px 14px 0 0;animation:.2s ease-out slide-up}.sheet-header{padding:14px var(--space-lg);border-bottom:.5px solid var(--hairline);grid-template-columns:1fr auto 1fr;align-items:center;display:grid}.sheet-header .cancel{color:var(--primary);justify-self:start}.sheet-header .title{font-weight:600}.sheet-option{width:100%;padding:14px var(--space-lg);border-bottom:.5px solid var(--hairline);justify-content:space-between;align-items:center;display:flex}.dialog{background:var(--surface);text-align:center;border-radius:14px;width:min(100%,300px);animation:.15s ease-out pop;overflow:hidden}.dialog .dialog-body{padding:20px var(--space-lg)}.dialog .dialog-action{border-top:.5px solid var(--hairline);width:100%;color:var(--primary);padding:12px;font-weight:600;display:block}@keyframes slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes pop{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}@media (min-width:560px){body{background:var(--surface-variant)}}