:root{--bg:#f4f6f9;--surface:#fff;--tint:#eef2f7;--ink:#0f172a;--ink-2:#475569;--ink-3:#64748b;--line:#e2e8f0;--line-strong:#cbd5e1;--primary:#1e3a5f;--on-primary:#fff;--accent:#a16207;--danger:#b42318;--font-ui:"IBM Plex Sans", "Noto Sans TC", system-ui, sans-serif;--font-cjk-heading:"Noto Sans TC", "IBM Plex Sans", sans-serif;--font-read:"Noto Serif TC", "Source Serif 4", serif;--font-latin-serif:"Source Serif 4", "Noto Serif TC", serif;--font-mono:"JetBrains Mono", ui-monospace, monospace;font:16px/1.6 var(--font-ui);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0b1220;--surface:#121c2e;--tint:#16233a;--ink:#e5eaf2;--ink-2:#a3b1c6;--ink-3:#8a99b0;--line:#24324a;--line-strong:#34465f;--primary:#9cc0ea;--on-primary:#0e1726;--accent:#e3a857;--danger:#f97066}}*{box-sizing:border-box}body{background:var(--bg);margin:0}h1,h2,h3{margin:0}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.app-shell{background:var(--bg);flex-direction:column;max-width:560px;height:100svh;margin:0 auto;display:flex}.app-header{padding:calc(14px + env(safe-area-inset-top,0)) 20px 8px;flex-direction:column;flex:none;gap:12px;display:flex}.brand{align-items:center;gap:10px;display:flex}.brand-name{letter-spacing:-.2px;font-size:17px;font-weight:600}.page-heading{flex-direction:column;gap:2px;display:flex}.page-date{font-family:var(--font-mono);letter-spacing:.4px;color:var(--ink-2);font-size:12px}.page-heading h1{font-family:var(--font-cjk-heading);letter-spacing:.5px;font-size:26px;font-weight:700;line-height:1.3}.app-main{flex:1;padding:8px 16px 24px;overflow-y:auto}.bottom-nav{padding:6px 8px calc(10px + env(safe-area-inset-bottom,0));background:var(--surface);border-top:1px solid var(--line);flex:none;grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.nav-btn{min-height:52px;color:var(--ink-3);background:0 0;border:none;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:12px;transition:color .15s;display:flex}.nav-active{color:var(--primary);font-weight:600}.mono{font-family:var(--font-mono)}.state-msg{text-align:center;color:var(--ink-2);flex-direction:column;align-items:center;gap:12px;padding:40px 16px;font-size:15px;display:flex}.state-msg.error{color:var(--danger)}.btn{border:1px solid var(--line-strong);background:var(--surface);min-height:44px;color:var(--primary);border-radius:12px;padding:0 18px;font-size:15px;font-weight:500;transition:background-color .15s}.btn:active{background:var(--tint)}.btn-primary{border-color:var(--primary);background:var(--primary);color:var(--on-primary)}.btn-primary:active{background:var(--primary);opacity:.85}.icon-btn{width:44px;height:44px;color:var(--ink-3);background:0 0;border:0;border-radius:12px;justify-content:center;align-items:center;transition:background-color .15s,color .15s;display:flex}.icon-btn:active,.icon-btn-on{background:var(--tint);color:var(--primary)}.chip-row{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.chip-row.scroll{scrollbar-width:none;flex-wrap:nowrap;margin-left:-16px;margin-right:-16px;padding-bottom:4px;padding-left:16px;padding-right:16px;overflow-x:auto}.chip{border:1px solid var(--line-strong);background:var(--surface);min-height:36px;color:var(--ink-2);white-space:nowrap;border-radius:999px;flex-shrink:0;padding:0 14px;font-size:14px;transition:background-color .15s,color .15s}.chip-sm{font-size:13px}.chip .mono{opacity:.75;font-size:12px}.chip-active{background:var(--primary);border-color:var(--primary);color:var(--on-primary);font-weight:500}.for-you{flex-direction:column;gap:8px;display:flex}.feed-section{flex-direction:column;gap:12px;margin-bottom:18px;display:flex}.section-head{justify-content:space-between;align-items:baseline;gap:12px;padding:0 4px;display:flex}.section-head h2{font-family:var(--font-cjk-heading);font-size:16px;font-weight:700}.section-head span{color:var(--ink-2);font-size:12px}.item-list{flex-direction:column;gap:10px;display:flex}.item-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;flex-direction:column;gap:8px;padding:16px;display:flex}.item-card.compact{gap:6px;padding:14px 16px}.item-meta{color:var(--ink-2);align-items:center;gap:8px;font-size:12px;display:flex}.match{color:var(--accent);margin-left:auto;font-weight:500}.badge{background:var(--tint);color:var(--primary);border-radius:999px;align-items:center;gap:5px;padding:3px 8px;font-size:12px;font-weight:500;display:inline-flex}.item-card h3{font-size:17px;font-weight:600;line-height:1.35}.item-card .title-repo{word-break:break-all}.item-card .title-paper{font-family:var(--font-latin-serif);font-weight:500;line-height:1.4}.item-card.compact h3{font-size:16px}.source-link{max-width:100%;font-family:var(--font-mono);color:var(--primary);word-break:break-all;align-self:flex-start;align-items:center;gap:4px;padding:2px 0;font-size:12px;display:inline-flex}.source-link svg{flex:none}.item-card .description{font-family:var(--font-latin-serif);color:var(--ink-2);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:14px;line-height:1.5;display:-webkit-box;overflow:hidden}.why{background:var(--bg);border-radius:10px;flex-direction:column;gap:4px;padding:10px 12px;display:flex}.why-label{letter-spacing:.5px;color:var(--primary);font-size:12px;font-weight:600}.why p{font-family:var(--font-read);margin:0;font-size:14px;line-height:1.75}.card-actions{align-items:center;gap:4px;margin:0 -6px -6px;display:flex}.search-form{gap:8px;display:flex}.search-form input{border:1px solid var(--line-strong);background:var(--surface);min-width:0;min-height:44px;color:var(--ink);font:inherit;border-radius:12px;flex:1;padding:0 14px;font-size:16px}.search-hint{color:var(--ink-2);margin:8px 4px 16px;font-size:13px}.reading-oneline{color:var(--ink);margin:0;font-size:14px;line-height:1.6}.r-summary{background:var(--r-tint);border-radius:14px;flex-direction:column;gap:10px;padding:16px;display:flex}.r-summary-head{flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}.r-summary-title{letter-spacing:.5px;color:var(--r-accent);font-size:13px;font-weight:700}.r-summary-note{color:var(--r-ink-2);font-size:12px}.r-summary-line{font-family:var(--font-read);font-size:calc(var(--read-size,18px) - 1px);color:var(--r-ink);margin:0;font-weight:700;line-height:1.7}.r-summary-points{flex-direction:column;gap:6px;margin:0;padding-left:1.3em;display:flex}.r-summary-points li{font-family:var(--font-read);font-size:calc(var(--read-size,18px) - 3px);color:var(--r-ink);line-height:1.7}.r-summary-points button{width:100%;min-height:44px;color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;flex-direction:column;gap:2px;padding:2px 0;display:flex}.r-summary-jump{font-family:var(--font-ui);color:var(--r-primary);font-size:12px}.r-keyblock{border-left:3px solid var(--r-accent);margin-left:-15px;padding-left:12px;scroll-margin-top:16px;position:relative}.r-keytag{color:var(--r-accent);margin-bottom:6px;font-size:12px;font-weight:600;display:inline-block}.r-flash{animation:1.6s ease-out r-flash}@keyframes r-flash{0%{background:color-mix(in srgb, var(--r-accent) 22%, transparent)}to{background:0 0}}.btn-icon{align-items:center;gap:6px;display:inline-flex}.btn-sm{border-radius:9px;min-height:36px;padding:0 12px;font-size:13px}.toast{left:50%;bottom:calc(88px + env(safe-area-inset-bottom,0px));background:var(--ink);width:max-content;max-width:min(92vw,480px);color:var(--bg);z-index:10;border-radius:12px;padding:12px 16px;font-size:14px;position:fixed;transform:translate(-50%);box-shadow:0 6px 24px #0f172a2e}.reading-list{flex-direction:column;gap:12px;display:flex}.reading-actions{justify-content:flex-end;display:flex}.add-form{flex-wrap:wrap;gap:8px;display:flex}.add-form input{border:1px solid var(--line-strong);background:var(--surface);min-width:0;min-height:44px;color:var(--ink);font:inherit;border-radius:12px;flex:1;padding:0 14px;font-size:16px}.form-error{color:var(--danger);flex-basis:100%;margin:0;font-size:13px}.worker-card{background:var(--surface);border:1px solid var(--line);color:var(--primary);border-radius:12px;align-items:center;gap:10px;padding:10px 12px;display:flex}.worker-text{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.worker-text strong{color:var(--ink);font-size:13px}.worker-text span{color:var(--ink-2);font-size:12px}.dot{background:var(--ink-3);border-radius:999px;flex:none;width:8px;height:8px}.dot-on{background:#15803d}.tabbar{border-bottom:1px solid var(--line-strong);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.tab{min-height:44px;color:var(--ink-2);background:0 0;border:0;border-bottom:2px solid #0000;margin-bottom:-1px;font-size:15px}.tab .mono{font-size:12px}.tab-active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.reading-card .item-meta{font-size:12px}.reading-title{font-family:var(--font-read);color:var(--ink);text-align:left;word-break:break-word;background:0 0;border:0;padding:0;font-size:17px;font-weight:700;line-height:1.5}button.reading-title{cursor:pointer}.reading-subtitle{font-family:var(--font-latin-serif);color:var(--ink-2);font-size:14px;line-height:1.45}.progress-wrap{flex-direction:column;gap:6px;display:flex}.progress-track{background:var(--line);border-radius:999px;height:4px;overflow:hidden}.progress-bar{background:var(--accent);border-radius:999px;height:4px;transition:width .3s}.progress-bar.progress-done{background:var(--ink-2)}.progress-text{color:var(--ink-2);font-size:12px}.error-box{background:color-mix(in srgb, var(--danger) 10%, transparent);color:var(--danger);border-radius:10px;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 10px;font-size:13px;display:flex}.error-box span{word-break:break-word;flex:1;min-width:140px}.share-hint{border:1px dashed var(--line-strong);color:var(--ink-2);border-radius:14px;margin:8px 0 0;padding:14px 16px;font-size:13px;line-height:1.6}.reader{--r-bg:var(--surface);--r-ink:var(--ink);--r-ink-2:var(--ink-2);--r-line:var(--line);--r-tint:var(--tint);--r-primary:var(--primary);--r-accent:var(--accent);background:var(--r-bg);max-width:720px;height:100svh;color:var(--r-ink);flex-direction:column;margin:0 auto;display:flex}.reader[data-theme=light]{--r-bg:#fff;--r-ink:#0f172a;--r-ink-2:#475569;--r-line:#e2e8f0;--r-tint:#f4f6f9;--r-primary:#1e3a5f;--r-accent:#a16207}.reader[data-theme=dark]{--r-bg:#0e1726;--r-ink:#e5eaf2;--r-ink-2:#a3b1c6;--r-line:#24324a;--r-tint:#16233a;--r-primary:#9cc0ea;--r-accent:#e3a857}.reader[data-theme=soft]{--r-bg:#f3f1ec;--r-ink:#26241f;--r-ink-2:#5e594f;--r-line:#ded9ce;--r-tint:#e9e5dc;--r-primary:#2c4a6e;--r-accent:#8a5a0b}.reader .icon-btn{color:var(--r-ink)}.reader-progress{background:var(--r-line);flex:none;height:3px}.reader-progress div{background:var(--r-accent);height:3px}.reader-bar{padding:calc(4px + env(safe-area-inset-top,0px)) 8px 4px;border-bottom:1px solid var(--r-line);flex:none;align-items:center;gap:4px;display:flex}.reader-bar-title{min-width:0;color:var(--r-ink-2);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:13px;overflow:hidden}.reader-source-btn{min-height:44px;color:var(--r-primary);align-items:center;gap:4px;padding:0 10px;font-size:13px;font-weight:500;display:inline-flex}.reader-settings{border-bottom:1px solid var(--r-line);background:var(--r-tint);flex-direction:column;flex:none;gap:12px;padding:12px 16px;display:flex}.seg{background:var(--r-tint);border-radius:12px;grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;gap:4px;padding:4px;display:grid}.reader-settings .seg{background:var(--r-bg)}.seg button{min-height:40px;color:var(--r-ink-2);background:0 0;border:0;border-radius:9px;font-size:14px}.seg .seg-on{background:var(--r-bg);color:var(--r-ink);font-weight:600;box-shadow:0 1px 2px #0f172a1f}.reader-settings .seg .seg-on{background:var(--r-tint)}.size-row{color:var(--r-ink-2);align-items:center;gap:12px;font-size:14px;display:flex}.size-row input{accent-color:var(--r-primary);flex:1;min-height:44px}.reader-body{flex:1;overflow-y:auto}.reader-article{padding:22px 22px calc(40px + env(safe-area-inset-bottom,0px));flex-direction:column;gap:18px;display:flex}.reader-meta{flex-direction:column;gap:10px;display:flex}.reader-meta .mono{color:var(--r-ink-2);font-size:12px}.reader-meta h1{font-family:var(--font-read);font-size:25px;font-weight:700;line-height:1.45}.reader-title-en{font-family:var(--font-latin-serif);color:var(--r-ink-2);margin:0;font-size:15px;line-height:1.45}.chips{flex-wrap:wrap;gap:6px;display:flex}.chips span{background:var(--r-tint);color:var(--r-ink-2);border-radius:999px;padding:3px 8px;font-size:12px}.reader-warning{background:var(--r-tint);color:var(--r-ink-2);border-radius:10px;margin:0;padding:10px 12px;font-size:13px;line-height:1.6}.reader-tip{color:var(--r-ink-2);margin:-8px 0 0;font-size:12px}.r-zh,.r-en-only{font-family:var(--font-read);font-size:var(--read-size,18px);letter-spacing:.3px;color:var(--r-ink);margin:0;line-height:1.85}.r-en-only{font-family:var(--font-latin-serif);letter-spacing:0;line-height:1.7}.r-block{display:block}.r-pair{flex-direction:column;gap:8px;display:flex}.r-toggle{color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;margin:0;padding:0}.r-en{background:var(--r-tint);font-family:var(--font-latin-serif);font-size:calc(var(--read-size,18px) - 3px);color:var(--r-ink-2);border-radius:10px;margin:0;padding:10px 12px;line-height:1.6}h2.r-zh,h3.r-zh,h4.r-zh,h2.r-en-only,h3.r-en-only,h4.r-en-only{font-family:var(--font-cjk-heading);margin-top:8px;font-weight:700;line-height:1.5}h2.r-zh,h2.r-en-only{font-size:calc(var(--read-size,18px) + 2px)}h3.r-zh,h4.r-zh,h3.r-en-only,h4.r-en-only{font-size:var(--read-size,18px)}.r-heading .r-en{font-family:var(--font-latin-serif)}.r-quote{border-left:3px solid var(--r-line);padding-left:14px}.r-badge{background:var(--r-tint);color:var(--r-ink-2);border-radius:999px;margin-bottom:6px;padding:2px 8px;font-size:12px;display:inline-block}.r-list{flex-direction:column;gap:8px;margin:0;padding-left:1.4em;display:flex}.r-figure{flex-direction:column;gap:8px;margin:0;display:flex}.r-figure img{background:var(--r-tint);border-radius:10px;max-width:100%;height:auto}.r-figure figcaption .r-zh,.r-figure figcaption .r-en-only{font-size:calc(var(--read-size,18px) - 3px);color:var(--r-ink-2)}.r-table-wrap{border:1px solid var(--r-line);border-radius:10px;overflow-x:auto}.r-table-wrap table{border-collapse:collapse;min-width:100%;font-size:13px}.r-table-wrap td{border-bottom:1px solid var(--r-line);white-space:nowrap;padding:6px 10px}.r-math{background:var(--r-tint);border-radius:10px;align-items:center;gap:10px;padding:10px 12px;display:flex;overflow-x:auto}.r-math code{font-family:var(--font-mono);white-space:pre;font-size:13px}.r-math-label{color:var(--r-ink-2);margin-left:auto;font-size:12px}.r-code{border:1px solid var(--r-line);background:var(--r-tint);border-radius:14px;margin:0;overflow:hidden}.r-code figcaption{border-bottom:1px solid var(--r-line);color:var(--r-accent);align-items:center;gap:8px;padding:6px 6px 6px 14px;display:flex}.r-code-label{color:var(--r-ink);font-size:13px;font-weight:600}.r-code-note{color:var(--r-ink-2);font-size:12px}.copy-btn{border:1px solid var(--r-line);background:var(--r-bg);min-height:36px;color:var(--r-primary);border-radius:9px;align-items:center;gap:6px;margin-left:auto;padding:0 12px;font-size:13px;font-weight:500;display:inline-flex}.r-code pre{white-space:pre-wrap;word-break:break-word;max-height:420px;font-family:var(--font-mono);color:var(--r-ink);margin:0;padding:14px;font-size:13px;line-height:1.65;overflow:auto}.r-embed{border:1px solid var(--r-line);min-height:44px;color:var(--r-primary);border-radius:12px;align-self:flex-start;align-items:center;gap:6px;padding:0 14px;font-size:14px;display:inline-flex}.r-divider{border:0;border-top:1px solid var(--r-line);width:100%;margin:4px 0}.reader-credit{border:1px solid var(--r-line);border-radius:14px;flex-direction:column;gap:8px;margin-top:12px;padding:14px;display:flex}.reader-credit .source-link{color:var(--r-primary)}.credit-label{letter-spacing:.5px;color:var(--r-ink-2);font-size:12px;font-weight:600}.credit-title{font-family:var(--font-latin-serif);font-size:15px;line-height:1.45}.credit-meta,.credit-note{color:var(--r-ink-2);font-size:12px;line-height:1.6}